KR20060129986A - Mass-production method for seed potatoes - Google Patents

Abstract

Provided is a method for mass production of seed potatoes, which allows easy and stable control of growth of saplings of seed potatoes, and preventing yield of culture of seed potatoes from being affected by culture environments and characteristics and capability of cultivation workers. The method for mass production of seed potatoes via culturing of saplings of seed potatoes in a nutrient solution comprises the steps of: dividing growth phases of the seed potatoes into (a) a root-generating phase, (b) a branch-appearing and stem-growing phase, (c) a branch-growing phase, and (d) a tuber-forming and tuber-thickening phase; and controlling the temperature of near-root portions of saplings of the seed potatoes in such a manner that the temperature varies in each stage.

Description

Mass production method of seed potato {MASS-PRODUCTION METHOD FOR SEED POTATOES}

1 is a photograph showing the growth of seed potato seedlings in nutrient solution cultivated seed potato production facilities.

Figure 2 is a photograph showing a state of natural cultivation of the root zone temperature of Sumijong seed potato seedling during spring cultivation according to the prior art.

Figure 3 is a photograph showing the physiological disorders when the root portion of Sumijong seed potato seedlings according to the prior art at a low temperature (15 ℃ or less).

Figure 4 is a photograph showing a state of natural cultivation of the root zone temperature of Sumijong seed potato seedling during summer cultivation according to the prior art.

FIG. 5 is a photograph showing tuber disappearance due to nutrient regurgitation (a process in which the hollow is black) when the root region of S. aureus seed potato seedlings is managed at a high temperature (above 27 ° C.) according to the prior art.

6 is a photograph showing a state in which the tubers are formed when the seed potato seedling root zone temperature is managed by the present invention.

Figure 7 is a photograph showing that the effective welfare water and welfare of the seed potato seedling well secured when the seed potato seedling root zone temperature was managed by the present invention.

8 is a block diagram showing a seed potato nutrient cultivation apparatus according to an embodiment of the present invention.

9 is a block diagram showing the control configuration of the seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

10 is a photograph showing a state window of the optimum root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

11 is a photograph showing a seed potato nutrient solution setting window of the optimal root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

12 is a photograph showing the seed potato nutrient solution temperature setting window of the optimal root zone cultivation environment automatic management program of the seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

FIG. 13 is a photograph showing a seed potato nutrient solution setting result window (pH, EC, nutrient solution temperature, medium temperature) of the optimum root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

14 is a photograph showing a communication setting window of the optimal root zone cultivation environment automatic management program of the seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention.

15 is a block diagram of a control method of seed potato nutrient cultivation apparatus according to an embodiment of the present invention.

16 is a photograph showing the effective welfare number, effective welfare site and tuber formation state when the production method according to the present invention.

17 is a photograph showing seed potatoes produced by the present invention.

<Description of Symbols for Major Parts of Drawings>

101: spray nozzle 105: cultivation temperature sensor

107: light sensor 110: planting bed

A: cultivation department

121: raw liquid pipe 125: raw water pipe

127: acid solution tube 130: alkaline liquid

135: nutrient solution tank 137: cooler

* 140: heater 142: nutrient solution temperature sensor

145: pH sensor 147: concentration sensor

150: water level detection control unit 152: circulation pump

155: sterilization unit 157: filter

160: cut off sensor

B: Nutrient Production Supply

171: liquid reservoir 172: acid reservoir

175: alkali reservoir 177: metering pump

C: Stock Solution

180: computer 185: control unit

190: communication module

D: control means

The present invention relates to a method of producing seed potatoes using a nutrient solution cultivation method, and more particularly, to a method for realizing the mass production of seed potatoes through the creation of an optimum root zone environment.

The seed cultivation method for producing seed potatoes uses aeroponics method, which does not immerse roots in nutrient solution or grow them in pearlite or clay, but grows them in air in a hollow styrofoam bed that blocks light. It is a cultivation method that sprays nutrient solution at regular time intervals to keep it wet. By installing an auxiliary device of timer and electronic lamp pump, it is possible to control the growth condition to some extent by properly adjusting the spraying time and interval. However, the spray mirror method has the root zone of seed potato seedling in the bed where the plant absorbs amniotic fluid. The temperature and humidity change is severely affected by the external temperature, such as the lack of buffering capacity, so that the roots are severely damaged or the aging of the plant is rapidly progressing, so that it is difficult to manage stable growth and the ups and downs of the yield of the final product are large.

Due to the unique environment of the facility, the crops grown in the facility select cultivated varieties that are highly adaptable and resistant to the environment or insensitive to the ground part that directly contacts the environment and the underground part that absorbs sheep and moisture. Unlike fruits and vegetables, it is cultivated for the purpose of harvesting tubers in the underground. Therefore, the technology to correct and maintain the optimum root zone environment, ie, the concentration of nutrient solution (EC), pH, water temperature, root zone temperature, and feeding time, is important. Therefore, if the root part of the root zone is easily changed or deteriorated by the external environment, the primary physiological disorders and secondary pathological disorders occur due to the imbalance of nutrient and moisture absorption as well as root damage and decay. The reality is that the majority of tubers, the purpose of cultivation, cannot be achieved.

At present, symptom expression of various physiological disorders of seed potato seedlings grown in nutrient solution in the facility may be due to environmental stress due to exposure to inadequate cultivation environment from a few minutes to several weeks ago. As a result, if these physiological disturbances can be eliminated in advance, they may play an important role in increasing crop growth, productivity and quality.

In general, nutrient cultivation that produces seed potatoes is uniformly fed with unchanged culture, pH, EC (conductivity), or EC and feeding time increase nutrients in the root zone, resulting in crop growth and final yield. I think that's good, but it's only for some leafy vegetables like lettuce. In the nutrient solution of tomato, cucumber, melon, especially seed potatoes, the root zone is the environment where the plant roots are active in pH, EC, temperature, and water conditions of the root zone, so that external environmental conditions do not affect the root zone. In addition, proper feeding temperature, spraying interval, injection volume, pH and electrical conductivity (EC) can be stabilized to secure a large number of seed potatoes. However, artificial measures (control) to cope with such external environmental changes require the laborer's labor time and time, so growers who produce nutrient-produced seed potatoes must take great care in their management. In addition, due to the excessive burden and stress that a year of farming can fail, growers are investing excessive labor and time in the growth of seed potato seedlings for the success of seed production. In addition, the yield of seed potato by nutrient cultivation shows a severe gap depending on the cultivation of varieties and the natural conditions of the year. Therefore, unlike soil cultivation, there is a strong psychological tendency to cultivate nutrient solution with varieties of mid- and late-growth varieties (Atlantic and Daejima), which are insensitive to environmental changes, rather than crude species (Sumi), which are difficult to grow and form tubers. In addition, even if the cultivation of cultivation cultivation of cultivated varieties with good yields and yields, the growth stage and natural conditions (growth, welfare emergence and tuber formation environment of seed potato seedlings growing in that year) can determine the success and failure Fortunately, even though the cultivation of seed potato nutrient cultivation was successful due to similar natural environmental conditions, seed nutrient cultivation was the subject of evasion and fear, and it is consistent with the recognition that it is difficult and difficult to produce.

Therefore, there is an urgent need for a method for mass production of seed potatoes, wherein the yield of the seed potato nutrient solution is not dependent on the physiological characteristics of the potato, the ability of the growers, and the growing environment.

In order to solve the above problems, the present invention is to identify the optimum environment of the root zone of each growth stage for seed seedlings, and to maintain and maintain a constant, growers due to the difference in the growth and seeding of seed potato seedlings during cultivation of seed potato nutrient solution The aim is to provide a mass production method of seed potatoes that can alleviate the stress felt by farmers and to manage them stably and easily.

In order to achieve the above object, the present invention provides a method for producing seed potatoes by cultivating seed potato seedlings, the production step of the seed potato (a) rooting machine; (b) welfare expressing stem and kidney extension; (c) welfare kidneys; (d) Provides a method of mass production of seed potatoes, which are divided into four stages of tuber formation period, tuber hypertrophy and harvesting period, and differently control the temperature of root zone of seed potato seedlings.

In the following, the present invention is described in more detail.

First, terms used in the present specification are defined as follows.

As used herein, "rooting period" refers to the time when roots occur at the bottom of the stem of seed potato seedlings planted in the nutrient solution plant.

As used herein, the term "welfare manifestation" refers to the time at which the primary welfare occurs every stem from the root of the root part of the seed potato seedling.

As used herein, "stem extension" refers to the time when seed potato seedlings grow (extended).

As used herein, "welfare extension" refers to a stem on which a potato runs, that is, secondary welfare occurs and elongates at the time when the primary welfare elongates and the node of the primary welfare, and the third welfare at the secondary welfare node. It refers to the time of development and elongation.

As used herein, the "tube formation period" refers to the time when tuber is formed by carbohydrate accumulation in the welfare node generated by the stop of welfare extension and root development. In other words, when the tubers are formed at the end of the second and third generation of welfare, starting to swell from the end of the lower end of the primary welfare.

As used herein, "tuber hypertrophy" refers to the time when the tuber of the swollen welfare part becomes hypertrophy (growing).

As used herein, the term “harvesting season” refers to the timing of harvesting periodically or repeatedly when the tubers (seed potato) formed in the root zone welfare of the seed potato seedlings reach a certain size.

As used herein, “sunny day” refers to a case where the amount of light in the nutrient solution plant is 80,000 Lux or more.

As used herein, "cloudy day" refers to a case where the amount of light in the nutrient solution cultivation facility is 80,000 Lux or less and 30,000 Lux or more.

"Rainy day" as used herein refers to the case where the amount of light in the nutrient solution plant is less than 30,000 Lux.

As used herein, “sunset” generally means around 19:30 in winter and around 20:30 in summer, which may vary seasonally or monthly.

As used herein, “weekly” means from 08:00 to 08:40 to 18:00 to 19:00, which may vary with season or month.

As used herein, "night" means from 18:00 to 19:00 to the next day from 08:00 to 08:40, which may vary seasonally or monthly.

The present invention is a method for producing seed potatoes by cultivating seed potato seedlings, the production step of the seed potato (a) rooting machine; (b) welfare expressing stem and kidney extension; (c) welfare kidneys; (d) Provides a method of mass production of seed potatoes, which are divided into four stages of tuber formation period, tuber hypertrophy and harvesting period, and differently control the temperature of root zone of seed potato seedlings.

At this time, the temperature of the seedling seedling root portion 22 (0.2) in the case of step (a); 20 ± 0.2 ° C. for step (b); 18 ± 0.2 ° C. for step (c); In the case of step (d), it is desirable to manage 18 ± 0.2 ℃ during the day and 16 ± 0.2 ℃ at night.

In seed nutrient cultivation, temperature control is the largest cultivation technique that affects the growth and productivity of crops. Temperature management is very important not only for the atmospheric air temperature of the ground but also for the underground root zone. In particular, the temperature of the subterranean root zone directly affects the root elongation, root group formation, respiration, leaf growth and transpiration of crops, and is involved in nutrient and moisture absorption. Therefore, each crop has an appropriate root zone temperature, and at this time, the maximum growth occurs, and this root zone temperature is called a family register temperature. The temperature at which damage occurs above or below this temperature is called the high-temperature limit temperature and the low-temperature limit temperature, and the effect of the change of the water and moisture absorption pattern on the plant due to the root zone temperature is large.

Increasing the temperature of the underground root zone accelerates the growth of sheep and moisture and the current of photosynthetic products and less distribution to other sites, which promotes the growth of early ground and welfare, but also causes the photosynthesis to become less active the next day, resulting in growth of seed potato seedlings. do. In addition, it is not easy to switch from the nutrient growing stage to the reproductive growth stage because the seed potato seedlings are busy, and the rapid root aging and the absorption of nutrients and moisture and the absorption of calcium are suppressed (sedimentation in the nutrient bottle) after the middle period. tipburn). As the carbohydrates produced by photosynthesis increase the root zone temperature, the respiratory rate cancels photosynthesis and the next day, the photosynthetic current is not smooth, resulting in poor growth of tubers. Therefore, if the liquid temperature sprayed to lower the temperature of the root zone is controlled to 15 ° C. or lower, carbohydrates may be formed on the leaves the next day in the state where the current of the anabolic products due to root growth and vitality of the root zone and the physiological disorders of the ground are not completely achieved. It continues to accumulate, the leaves become thick green and thickened, weakening their activity (leaving the leaves) and stopping stem growth, which is a form of carbohydrate excess disorder that occurs when the night temperature is low or the low temperature duration is long. Many appear. Therefore, if the root zone temperature required at the beginning of growth is continuously maintained, root rooting and early growth tend to be rather fast, but as the metabolic activity in the body is rapidly accelerated, aging is accelerated, and later growth and yield are drastically lowered. Shorter growing periods and staged harvests result in shorter overall growing seasons and reduced yields.

Continuously maintaining and managing the environment around the root zone of 22 ~ 23 ℃ or more, the tubers are not long in shape, elliptical or secondary growth, the surface of the tubers is rough, and the epidermis is dark. The elongation of is accelerated in the condition suitable for the elongation of the ground stem, that is, high temperature (above 25 ℃) and long day condition (more than 16 hours) with low insolation and long working time. In cultivation, the appearance of the vegetation is such that the stem sprayer is visible, and this environment is a condition that inhibits tuber formation, and the length of welfare is an environment that promotes tuber formation because the kidneys are stopped almost simultaneously with tuber formation. Less than 8 hours) and less than 20 ℃. Therefore, in the near-sphere temperature condition of tuber formation, the temperature condition below 20 ° C is essential.

The root zone temperature control of seed potato nutrient solution cultivation applied to the present invention was somewhat rooted at 22 ± 0.2 ° C. until the roots were absorbed from the seed seedlings seeded after planting (10 ~ 14 days; rooting period). It is managed at a high level to induce the growth and rooting of new roots, and the seed potato seedlings until 30 days are the period when the whole growth is rapid and shows quantitative expansion, so that the root zone temperature is increased so that welfare can emerge from the end of the plant. Day and night management at ± 0.2 ℃ (stem elongation and welfare emergence period) and day and night management at 18 ± 0.2 ℃ for 50 days (welfare extension period) to induce the extension of well-being that seed potato can run, and after 50 days In order to induce photosynthetic current and tuber formation (tuber forming, hyperatrical and harvesting), it is desirable to manage the temperature environment in the root zone at 18 ± 0.2 ℃ during the day and 16 ± 0.2 ℃ at night.

Temperature management of the seedling seedling root zone as described above is divided into (a), (b), (c), (d) each step again sunny day, cloudy day, rainy day, the amount of nutrient solution according to the weather conditions This can be achieved by differently managing the intervals and the temperature of the nutrient solution.

The nutrient supply in the early stage of growth is sensitive to the drying of the roots, and it supplies sufficient nutrient solution and root development until it secures a certain number of leaves and leaf areas (stem elongation and welfare emergence) for smooth nutrient and moisture absorption according to the root activity of the root zone. The basic conditions under which the most potent, roots reach the bottom of the cultivation plant, and the welfare kidney or tuber forming, hypertrophy, and harvesting periods, which absorb the nutrient solution accumulated in the cultivation plant, are not forged and the oversupply of seed potato seedlings does not occur. It is preferable. In addition, during photosynthesis, daytime nutrient supply is taken into account in consideration of the temperature of the root zone and the amount of moisture that the plant evaporates, and at night the current supply is sufficiently rested so that the roots of the root zone of the plant do not dry out. It is desirable to manage the liquid supply in a condition that minimizes stress so that this can be achieved.

For this purpose, the number of feeding and feeding amount of the nutrient solution is determined by the growth stage of the crop, the concentration of the nutrient solution, the amount of insolation, the outside temperature and the root zone temperature, the temperature of the nutrient solution to be fed, the capacity of the bed, the pressure of the motor pump, and the size of the injection nozzle. It is desirable to manage differently depending on the like.

Determination of the amount of liquid supply is the most important management matter in cultivation of seed potato nutrient solution. If the time interval of nutrient payment is short, the temperature difference in the root zone is constant and the temperature difference in the root zone increases due to the loss of buffering capacity. do. When excessive water supply is applied, the current to the tuber caused by the overgrowth of the ground and the ground in the early and middle periods is weak, and the yield is low, and the root zone is wet, which makes it difficult to absorb nutrients. It gives a problem. In addition, drying due to extreme water supply time causes various physiological disorders, namely, forgery of plants and destruction of root root hairs (damage) due to the high temperature environment of the root zone, resulting in loss of physiological balance of plants and recovery of plants. It appears to be innumerable damage. Therefore, when cultivating seed potato nutrient solution, the number of feeding and feeding amount of nutrient solution is different depending on the growth stage (size) of seed potato seedling, depending on the amount of water evaporation of plants according to the amount of insolation during the day and temperature condition (state) of root zone. It is desirable to. After nutrient injection, the time when the root zone environment reached the maximum temperature and affected the root zone of seed potato seedling was 13: 00 ~ 16: 00 during the day and the time to reach the minimum temperature was between 04: 00 ~ 06: 00. In addition, the temperature of the nutrient solution injected into the root zone and the temperature of the circumferential zone are almost the same so that the optimal time can be managed only by the temperature (liquid temperature) of the nutrient solution injected without the influence of external temperature. 17: 00-18: 00 pm.

In order to optimize the root zone temperature environment of seed potato seedlings by adjusting the liquid supply interval of the nutrient solution as above, first, in the case of step (a), when the liquid supply interval of the nutrient solution is sunny, 2 minutes 30 seconds rest / 30 seconds nutrient solution It is preferable to supply the nutrient solution under the conditions of the injection, and to supply the nutrient solution under the conditions of 3 minutes 30 seconds rest / 30 seconds nutrient solution injection on a cloudy day and a rainy day.

In the case of step (b) when the liquid supply interval of nutrient solution is a sunny day, 08:20 ~ 08:40 4 minutes 30 seconds rest / 30 seconds nutrient solution injection; 08: 40-09: 30: 3 minutes 30 seconds rest / 30 seconds nutrient injection; Between 09:30 and 18:00 2 minutes 20 seconds rest / 40 seconds nutrient injection; Between 18:00 and 19:00; 3 minutes 30 seconds rest / 30 seconds nutrient injection; 4 minutes 30 seconds rest / 30 seconds nutrient solution injection from 19:00 until sunset; It is preferable to supply the nutrient solution under conditions of 5 minutes and 30 seconds rest / 30 seconds nutrient solution injection after sunset at 08:20.

In the case of the cloudy day of step (b), the liquid supply interval of the nutrient solution, 08:20 ~ 09:30 4 minutes 30 seconds rest / 30 seconds nutrient solution injection; 09: 30-16: 30: 3 minutes 30 seconds rest / 30 seconds nutrient injection; 4 minutes 30 seconds rest / 30 seconds nutrient solution injection from 16:30 to sunset; After sunset ~ 08:20 it is preferable to supply the nutrient solution under the condition of 5 minutes and 30 seconds rest / 30 seconds nutrient solution, in the case of a rainy day of step (b), the conditions of 5 minutes and 30 seconds rest / 30 seconds nutrient solution injection It is preferable to supply the nutrient solution.

In the case of the sunny day of step (c), the liquid supply interval of the nutrient solution, 09:30 ~ 11:30, 7 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; 6 minutes break / 1 minute nutrient injection between 11:30 and 19:00; 7 minutes and 30 seconds rest / 1 minute and 30 seconds nutrient solution spray from 19:00 until sunset; It is preferable to supply nutrient solution under conditions of 13 minutes rest / 2 minutes nutrient solution injection after sunset at 09:30.

In the case of the cloudy day of step (c), the liquid supply interval of the nutrient solution, 09:30 ~ 19:00 7 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; From 19:00 to 09:30, the nutrient solution is supplied under the conditions of 13 minutes rest / 2 minutes nutrient solution injection, and on the rainy day of step (c), the nutrient solution is supplied under the conditions of 13 minutes rest / 2 minutes nutrient solution injection. It is preferable.

In the case of the sunny day of step (d), the liquid supply interval of the nutrient solution, 08:40 ~ 09:30 18 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; Between 09:30 and 11:30, 9 minutes break / 1 minute nutrient injection; 6 minutes 10 seconds rest / 50 seconds nutrient injection at 11: 30-18: 00; 18 minutes 30 seconds rest / 1 minute 30 seconds nutrient injection at 18:00 until sunset; It is preferable to supply nutrient solution under conditions of 58 minutes rest / 2 minutes nutrient solution injection after sunset-08:40.

In the case of the cloudy day of step (d), the liquid supply interval of the nutrient solution, 09:30 ~ until the sunset 14 minutes break / 1 minute nutrient solution injection; After sunset ~ 09: 30, supply nutrient solution under conditions of 58 minutes break / 2 minutes nutrient solution, and in case of rainy day of step (d), 19 minutes break / 1 minute nutrient solution injection until 09: 30 ~ sunset ; It is preferable to supply nutrient solution under conditions of 58 minutes rest / 2 minutes nutrient solution injection after sunset at 09:30.

In the case of nutrient solution supplied to the root zone during cultivation of seed potato nutrient solution, when the nutrient solution is not cooled without artificial control, the liquid temperature rises under the direct influence of the outside temperature of the surrounding facilities, which is almost equal to the outside temperature, and when the nutrient solution is not purified The root zone temperature of swells up to 42.7 ° C, which affects the growth of seed potato seedlings. However, even if it is relatively high during the day, it is possible to harvest some faithful tubers by lowering the temperature at night and accumulating assimilation material and current. However, at the temperature of the root zone of 27 ~ 30 ℃ or more, the formation of welfare and tuber hypertrophy is stopped, the respiratory action is vigorous, the consumption side is higher than the accumulation of assimilation material, not only the growth of seed potato seedlings, but also the welfare generation and harvest cannot be expected. It is difficult to breathe into the roots and absorb amniotic fluid due to the deterioration of the roots. Therefore, the amount of respiration cancels the photosynthetic amount, resulting in the inhibition of seed potato seedling growth.

 A study on the effect of the root zone temperature of plants on the temperature distribution of above-ground plants showed that the temperature of tomato stem at 30 cm above ground was strengthened by 5 ℃ by the cooling of the nutrient solution. It is reported that the body temperature of lettuce is lowered by 0.6 ~ 1.5 ℃ when cooled before and after ℃. Therefore, cooling of the nutrient solution to be fed is useful not only for improving the root zone environment but also for controlling crop temperature.

Therefore, in order to optimize the root zone temperature environment of seed potato seedlings by adjusting the temperature of the nutrient solution as described above, the temperature of the nutrient solution in the sunny day of the step (a) is from 21.4 ° C to 08:40 until sunset 21.6 ° C .; After sunset ~ 08:40 at 22.0 ℃ ~ 22.2 ℃ to manage, in the case of cloudy days and rainy days of the step (a), from 08:40 to sunset until 21.6 ℃ ~ 21.8 ℃; It is preferable to manage at 22.0 degreeC-22.2 degreeC after sunset-about 08:40.

If the sunny day of step (b) the temperature of the nutrient solution, 16.2 ℃ ~ 16.4 ℃ at 08:40 ~ 09:30; 09:30 to 11:30, 16.0 ° C to 16.2 ° C; 15.8 ° C to 16.0 ° C in 11:30 to 16:30; 16.0 ° C.-16.2 ° C. at 16: 30-19: 00; 17.2 ° C to 17.4 ° C from 19:00 to sunset; It is preferable to manage at 20.0 degreeC-20.2 degreeC from 08:40 after sunset.

In the case of the cloudy day of step (b) the temperature of the nutrient solution, from 09:30 to sunset until 16.1 ℃ ~ 16.3 ℃; After sunset ~ 09:30 at 20.0 ℃ ~ 20.2 ℃, and if the rainy day of the step (b), from 09:30 to sunset until 16.2 ℃ ~ 16.4 ℃; After sunset-09:30, it is preferable to manage at 20.0 degreeC-20.2 degreeC.

When the sunny day of step (c) the temperature of the nutrient solution, 15.8 ℃ ~ 16.0 ℃ in 09:30 ~ 11:30; 15.4 ° C.-15.6 ° C. at 11: 30-18: 00; 16.0 ° C-16.2 ° C from 18:00 until sunset; It is preferable to manage at 16.2 degreeC-16.4 degreeC after sunset at 09:30.

If the cloudy day of step (c) the temperature of the nutrient solution, 15.8 ℃ ~ 16.0 ℃ 09:30 ~ 19:00; 19:00 ~ 09:30 at 16.2 ℃ ~ 16.4 ℃ to manage, if the rainy day of step (c), 09:30 ~ 19:00 at 15.8 ℃ ~ 16.0 ℃; It is preferable to manage at 16.2 degreeC-16.4 degreeC between 19:00 and 09:30.

In the case of the sunny day of the step (d) the temperature of the nutrient solution, 17.0 ℃ ~ 17.2 ℃ at 08:20 ~ 08:40; From 08:40 to 09:30, 16.2 ° C to 16.4 ° C; 09:30 to 11:30, 15.8 ° C to 16.0 ° C; 15.4 ° C-15.6 ° C in 11: 30-16: 30; 15.8 ° C to 16.0 ° C from 16:30 to sunset; After sunset-08:20, it is preferable to manage at 16.0 degreeC-16.2 degreeC.

When the cloudy day of the step (d) the temperature of the nutrient solution, 17.0 ℃ ~ 17.2 ℃ at 08:20 ~ 09:30; 15.8 ° C to 16.0 ° C from 09:30 to sunset; After sunset ~ 08:20 at 16.0 ℃ ~ 16.2 ℃, and if the rainy day of the step (d), 08:20 ~ 09:30 at 17.0 ℃ ~ 17.2 ℃; In 09: 30-08: 20, it is preferable to manage at 16.0 degreeC-16.2 degreeC.

As described above, in order to control the temperature of the nutrient solution appropriate for each growth stage, each weather condition and time of day, when the temperature falls below the temperature range, the heater is operated to warm up, and when the temperature rises above the temperature range, the cooler is operated to cool down. By doing so, the appropriate temperature range can be maintained.

Furthermore, in the mass production method of seed potatoes according to the present invention, it is necessary to differently manage the pH of the nutrient solution to be supplied and the electrical conductivity (EC) of the nutrient solution for each step (a), (b), (c), and (d). desirable.

The reason why the pH of the nutrient solution supplied and the electrical conductivity (EC) of the nutrient solution are differently managed for each growth stage of seed potato seedlings is as follows: In the case of young seed potato seedlings (less than 30 cm), the pH, the electric conductivity of the nutrient solution, the length, the environment such as temperature In order to prevent the conversion to the reproductive system until the desired height and welfare number is secured because the welfare generation is low or the conversion to the reproductive growth is made sensitively.

It is preferable that the composition or pH of the culture medium does not change as much as possible depending on the nutrient absorption of the crop.However, the composition of the culture medium varies depending on the variety, growth stage, or various environmental factors of the crop. It is unreasonable to manage with the culture medium of the composition. In fact, the relationship between the concentration of the culture medium and the absorption of inorganic elements in the crop shows that as seed seedlings start to grow, the absorption, growth (extension), and yield of the crop also increase as the concentration of the culture medium increases. If more than cm) is maintained, the absorption of water or potassium is inhibited in seed potato seedlings, and if the concentration of the medium is low, the balance of inorganic elements with antagonistic action such as nitrogen and potassium, calcium and magnesium, potassium and calcium is disturbed. Therefore, together with the deficiency of these inorganic elements, carbohydrates obtained from photosynthesis are used for crop growth instead of accumulating in tubers, and the seed potato seedlings are eventually overrun.

At this time, the pH of the nutrient solution in the case of step (a) pH 6.8 ~ 7.0; pH (6.4)-7.0 for step (b); pH 5.8-6.2 for step (c); In the case of step (d), it is preferable to manage the pH at 5.7 to 5.9, and in the case of step (b), the pH is maintained at pH 6.8 to 7.0 at the welfare expression stage, and at pH 6.4 to 6.6 at the stem extension period, and the step (c). In the case of the initial two days, pH 6.0-6.2, and after that it is more preferable to manage to pH 5.8-6.0.

As described above, the reason for changing the pH for each growth stage is that rooting is good when the seed potato seedlings are close to neutral, and the root absorption rate is lowered, and the root absorption rate is higher when the seeding potato seedlings are closer to acidity. Because lowering is desirable. In addition, in the step (c), in order to prevent a sharp drop to pH 5.8 ~ 6.0 in the pH 6.4 ~ 6.6 state in the previous step (b) and to give a warm-up period that seed potato seedlings can adapt to low pH In the case of (c), the initial two days are preferably managed at pH 6.0 ~ 6.2.

In the mass production method of seed potatoes according to the present invention, the electrical conductivity of the nutrient solution is 0.8 in the case of step (a); 1.0-1.5 for step (b); 1.2 to 1.3 for step (c); In the case of step (d), it is preferable to manage 1.2 to 1.5.In the case of step (b), the electrical conductivity of the nutrient solution is controlled to 1.0 for the first day, after that, the welfare presenter is 1.2 and the stem extension is 1.5. In the case of step (c), the electrical conductivity of the nutrient solution is controlled to 1.2 for the first two days, and then to 1.3, and in the case of step (d), the nutrient solution of the nutrient solution is two to three days before harvesting. It is preferable to manage the electrical conductivity to 1.5, and otherwise manage to 1.2.

The medium concentration is usually expressed as Electrical Conductivity (EC), which is expressed in mS / cm (Siemens), which means that when various inorganic ions in the medium are large enough to pass electricity, the value becomes large. do.

EC of nutrient solution is controlled differently according to growth stage and weather condition. In general, since the transpiration is strong in the high temperature stage and the water demand is high, the concentration is controlled relatively low so that sufficient moisture can be absorbed. In other words, when it is raining for 2-3 days continuously or intermittently or when it is impossible to secure enough light due to seasonal conditions (winter), the water demand is relatively low, so the concentration is controlled slightly to suppress water absorption and excess absorption. Suppresses over-blowing of plants caused by water and body moisture accumulation.

In addition, in such a process, if the electrical conductivity of the nutrient solution is rapidly changed or the nutrients are excessive in each step, the angular phenomenon occurs by turning into a coarse stem, so that welfare generation is stopped, in particular to prevent the above (b In the step 1), it is preferable that the initial one day is given a warm-up period in which the seed potato seedlings can adapt to the changed electrical conductivity of the nutrient solution by managing the electrical conductivity of the nutrient solution to 1.0.

In the case of mass production method of seed potato according to the present invention, if there is no particular limitation as long as it can meet the conditions of each step as above, among them, in particular, by culturing the growth point collected from the seed potato seed tested virus A cultivation unit including a cultivation bed having a nutrient solution spray nozzle for supplying nutrient solution for cultivating the seed potato seedlings obtained only for nutrient solution, a cultivation temperature sensor for measuring the temperature of the root, and an optical sensor for measuring the amount of light received by the stem;

Nutrient tank containing nutrient solution containing organic-inorganic nutrients, raw water to adjust the concentration of the stock solution, acid for adjusting the acidity of the stock solution, alkaline solution to quantitatively supplied nutrient solution supplied to the seed potato seedlings of the cultivation unit Coolers and heaters for transferring heat to the nutrient solution to adjust the temperature of the nutrient solution stored in the nutrient solution tank, nutrient solution temperature sensor for measuring the temperature of the nutrient solution stored in the nutrient solution tank, pH sensor for measuring acidity, concentration of the nutrient solution A nutrient solution production supply unit for supplying a nutrient solution prepared by a pump to a spray nozzle of the cultivation unit, including a concentration sensor to measure;

The acid and alkaline liquid for preparing the nutrient solution in the nutrient solution manufacturing supply unit is stored in an acid and alkaline liquid tank, and the stock solution containing the organic-inorganic nutrients is stored in the stock solution tank and supplied to the nutrient solution tank by respective metering pumps. Stock solution supply unit; And

In order to supply the nutrient solution prepared with the appropriate acidity, concentration and temperature necessary for root growth of seed potato seedlings of the cultivation part to the seed potato seedlings, the nutrient solution detected by the pH sensor is collected and the concentration of the nutrient solution detected by the concentration sensor Collecting the acid, alkaline liquid and the feed of the nutrient solution to the nutrient solution tank of the nutrient solution production supply unit from the stock solution supply unit, and the growth temperature of the root portion of the seed potato seedling detected by the cultivation temperature sensor and the nutrient solution detected by the nutrient solution temperature sensor The temperature of the nutrient solution by adjusting the temperature of the nutrient solution by collecting the temperature and operating the cooler and the heater, by measuring the amount of light received by the seed potato seedlings with the optical sensor, and determining the supply time zone and the supply amount of the nutrient solution required for the growth of the seed potato seedlings of the cultivation unit. Seed, characterized in that it comprises a control means for adjusting the supply time and supply amount of the nutrient solution Now that depend on hydroponic culture device is preferred.

In this case, the nutrient solution production supply unit preferably includes a water level detection unit for detecting the water level of the nutrient solution to automatically adjust the water level of the nutrient solution tank by the control means.

At this time, the nutrient solution production supply unit preferably includes an ultraviolet sterilization unit for circulating the nutrient solution stored in the nutrient solution tank up and down by the circulation pump to sterilize the impurities.

In this case, the nutrient solution stored in the nutrient solution tank of the nutrient solution production supply part is supplied through a conduit to the injection nozzle of the cultivation part, and the conduit is a filter for filtering out impurities of the nutrient solution and a blockage of the nutrient solution supply to the injection nozzle of the cultivation part. It is preferable to include a cut-off sensor for sensing the detection signal to the control means.

Further, the mass production method of seed potatoes according to the present invention can be carried out by manually operating the cultivation apparatus, but more preferably by controlling the cultivation apparatus by a computer program for automation.

In this case, the control method of the seed potato nutrient cultivation device is the current time after the light quantity and temperature, which are the growth factors of seed potato seedlings implanted in the cultivation bed dedicated to nutrient solution cultivation in an automated program, are detected by an optical sensor and a temperature sensor and converted into digital signals. Loading the environment with the information into a user interface window of the computer;

After the environmental loading step, the nutrient solution supply time, nutrient supply time and rest time of seed potato seedlings are automatically inputted through the user interface window to automatically load and store nutrient solution supply temperature, concentration and acidity in advance according to the light quantity, temperature and time information. Nutrient solution time setting step; A data communication step of transmitting a temperature, concentration, and acidity value of the loaded nutrient solution to a nutrient solution manufacturing control unit disposed in a cultivation bed at a remote place after a predetermined communication module; After the data communication step, the control unit automatically controls the stock solution supply unit for supplying the organic-inorganic stock solution, the acid and the alkaline liquid to the nutrient solution supplying unit, and the nutrient solution supplying unit for receiving the same according to the set temperature, concentration, and acidity. A nutrient solution manufacturing step of preparing a nutrient solution having a controlled temperature, acidity, and concentration and supplying the seed solution to the seed potato seedling of the cultivation bed; And

After the nutrient solution manufacturing and supplying step, the temperature and light amount of the cultivation bed, the growth information of the seed potato seedlings, are measured by a sensor unit, and the temperature, concentration, and acidity of the nutrient solution of the nutrient solution manufacturing supply unit are measured by the respective sensors. It is preferable to include a growth information storage step of transmitting to a remote computer via a predetermined communication module, and stored in the computer as a log file of the user.

The nutrient solution supplying step is to manually input the nutrient solution supply time, nutrient solution temperature, and acidity to the control unit to control the feed solution supply and the nutrient solution production supply accordingly, so that the nutrient solution is supplied to the seed potato seedlings of the cultivation bed It is preferable to include a manual selection step.

After the growth information storage step, the root temperature of the seed potato seedlings of the cultivation bed is measured, and if the temperature is out of a predetermined growth temperature management range, the nutrient solution of the nutrient solution production supply part is cooled or heated to adjust the root temperature of the seed potato seedlings. It is preferable to include a growth temperature adjusting step of adjusting to the growth temperature management range.

Hereinafter, the present invention will be described in more detail with reference to preferred embodiments of the present invention. However, the scope of the present invention is not determined accordingly, but is presented by way of example only.

< Example >

The following Examples and Experimental Examples, using the nutrient solution of the same composition used in the cultivation of general seed potatoes, Sumi varieties seed potatoes seedlings of 30cm ~ 35cm, for 90 days to 120 days from the official date, This was done in the demonstration test room at Goesan-gun Agricultural Technology Center with the same facilities. In addition, the conditions other than those specifically mentioned in the present embodiment are made under the same conditions as those used for cultivation of general seed potatoes.

< Experimental Example  1>

In order to investigate the effect of culture concentration on the yield of crop growth stage, pH 5.8 of feed nutrient solution and time interval of nutrient solution were 3 minutes rest / 40 seconds feed spray, and the temperature range of root zone was within 17.0∼18.5 ℃. The temperature of the nutrient solution (water temperature) was artificially cooled and warmed to a minimum of 16.0 ℃ to a maximum of 19.5 ℃ according to the external temperature change, and the nutrient solution concentrations were differently supplied by dividing the growth stage into nutrient growthers and reproductive growth. The varieties were Sumi, and the yield survey was 5g or more. The experimental results are shown in Table 1 below.

< Experimental Example  2>

To find out the tuber accumulation of carbohydrates according to the change of nutrient concentration, nutrient solution to adjust pH of feed nutrient solution to 5.8, feed time interval 3 minutes rest / 40 second nutrient solution injection, and root zone temperature change in the range of 17.0 ~ 18.5 ℃. Was cooled and warmed, and the harvesting method was applied to the step harvesting method, and the test variety was Sumi, and the growth was 179-184 cm. The results are shown in Table 2 below.

From the results of Table 2, when the seed potato step harvested by nutrient cultivation, nutrient solution concentration 2-3 days before harvest affects nutrients and water absorption of crops, which has a decisive effect on growth, yield and quality. / m) higher than 0.3mS / cm to reduce the moisture content of the tubers harvested can be a solid tuber harvest and the weight of the final harvest tends to decrease slightly, but the quality and storage is good.

< Experimental Example  3>

In order to compare the temperature change and yield of the root zone in bed after nutrient supply (spray), the experiment was conducted under the following conditions. Ie pH 5.8, EC 1.2 of nutrient solution to be fed. The temperature (liquid temperature) of the nutrient solution was adjusted to 16 ℃, and the external monthly average temperature change was 20.2 ℃ for April, 4.9 ℃ for the lowest in April, 22.7 ℃ for the lowest in May, 11.9 ℃ for the lowest in June, and 27.5 ℃ for the lowest in June. The temperature of 16.4 ℃ and the number of planted varieties were assessed at 5g. The results are shown in Table 3 below.

< Experimental Example  4>

In order to test the growth and yield comparison according to the temperature in the root zone of the bed, the time interval of nutrient solution pH 5.8, EC 1.2 and nutrient solution was neglected for 3 minutes rest / 40 seconds nutrient injection. Yields were investigated more than 5g. The results are shown in Table 4 below.

< Experimental Example  5>

Effects of temperature (sunny, cloudy, rainy days) and temperature changes in the cultivated root zone and external environment changes of seed potato seedling nutrient cultivation facilities, The experiment was carried out under the conditions.

The weather changes were divided into sunny days (approximately 80,000 Lux), cloudy days (approximately 30,000 Lux and less than 80,000 lux), and rainy days (30,000 Lux and less). After cooling and warming, it was maintained and supplied with liquid, and the feeding time interval was managed by 3 minutes rest / 30 seconds nutrient solution spraying. Temperature changes in the cultivation bed (root zone) for each growth stage during cultivation of seed potato nutrient solution in a facility on sunny days, cloudy days, and rainy days are shown in Tables 5 to 7, respectively.

< Experimental Example  6>

In order to compare the growth and yield of seed potato seedlings according to the root zone environment composition (feeding time and temperature treatment) for each growth stage, the experiments shown in Table 8 were performed.

As shown in Table 8 below, the management after securing the target effective welfare to some extent is to maintain the root zone at an appropriate temperature of 18 ° C. of seed potato growth, and to increase the number of seed potatoes due to the delay of aging of the crop and the extension of the harvest period. Confirmed.

Later management of the root zone of the plant until the tuber is formed and until the harvest is finished, controls the root zone temperature to 18 ° C during the day and 16 ° C at night so that the current of carbohydrates produced by the photosynthesis can be accumulated in the tuber in a short time. Managing the optimal photosynthetic current yielded the best results with a weekly yield of more than 56.6 / 5g.

< Example  1>

Seed potato seedlings were cultivated under the same conditions as in Table 9 to produce seed potatoes.

The optimum root crop cultivation environment of seed potato nutrient solution cultivation of the present invention was carried out by a program for automatic management. That is, the pH, EC, and feeding time of the nutrient solution were automatically adjusted and controlled according to the change of weather (light quantity and temperature), root zone control temperature, and outdoor moisture condition according to the growth state of seed potato seedlings as described in Table 9 above.

In other words, during the cultivation of seed potato nutrient solution, the environmental management of the root zone was regular (10-14 days), stem extension and welfare emergence period (before and after 30 days), welfare extension (after 50 days), tuber formation, hypertrophy and harvest (after 50 days). Harvesting was performed in stages to prevent loss of tubers due to nutrient regurgitation due to tuber contention.

8 is a block diagram showing a seed potato nutrient cultivation apparatus according to an embodiment of the present invention, Figure 9 is a block diagram showing a control configuration of the seed potato nutrient cultivation apparatus according to an embodiment of the present invention.

As shown, seed nutrient solution cultivation apparatus according to an embodiment of the present invention is a nutrient solution injection nozzle for supplying the nutrient solution to cultivate seed potato seedlings obtained by culturing the growth point collected from the seed potato seed tested virus virus (101) ), A cultivation unit (A) including a cultivation bed 110 having a cultivation temperature sensor 105 for measuring the temperature of the root and an optical sensor 107 for measuring the amount of light received by the stem; In order to manufacture the nutrient solution supplied to the seed potato seedling of the cultivation unit (A), the raw liquid containing the organic-inorganic nutrients is supplied to the raw liquid pipe 121, and the raw water to adjust the concentration of the raw liquid to the raw water pipe 125. The nutrient solution tank 135 and the nutrient solution stored in the nutrient solution tank 135 are quantitatively supplied with acid and alkali liquids for adjusting the acidity of the stock solution through the acid solution tube 127 and the alkaline solution tube 130. Cooler 137 and heater 140 to transfer heat to the nutrient solution to adjust, the nutrient solution temperature sensor 142 for measuring the temperature of the nutrient solution stored in the nutrient solution tank 135, the pH sensor 145 for measuring the acidity A nutrient solution supplying part (B) for supplying the nutrient solution prepared by the pump to the injection nozzle (101) of the cultivation unit (A), including a concentration sensor (147) for measuring the concentration of the nutrient solution; The acid and alkaline liquid for preparing the nutrient solution of the nutrient solution manufacturing supply (B) are stored in the acid and alkaline liquid tanks 172 and 175, and the stock solution containing the organic-inorganic nutrients is stored in the stock solution tank 171, respectively. It comprises a feedstock supply portion (C) for supplying to the nutrient solution tank 135 by the metering pump of (177).

And, the supply of acid, alkaline liquid and stock solution to the nutrient supply manufacturing unit of the stock solution supply unit (C) and the nutrient solution production of the nutrient supply manufacturing unit (B) and the supply to the cultivation unit (A) of the produced nutrient solution are roots of seed potato seedlings Data on the amount of light in the cultivation unit (A) and root zone temperature of seed potato seedlings are transmitted to produce nutrient solution at the appropriate acidity, concentration, and temperature necessary for growth, thereby producing nutrient solution using the data of acidity, concentration, and temperature of the nutrient solution previously set. Is controlled by the control means (D).

At this time, the control means (D) collects the acidity of the nutrient solution detected by the nutrient solution tank 135 by the pH sensor 145, and collects the concentration of the nutrient solution detected by the concentration sensor 147 to the stock solution supply unit ( In C), the supply amount of acid, alkaline solution and stock solution to the nutrient solution tank 135 of the nutrient solution production supply part B is adjusted.

The control means (D) collects the root growth temperature of the seed potato seedling detected by the cultivation temperature sensor 105 and the temperature of the nutrient solution detected by the nutrient solution temperature sensor 142 to cool the cooler 137 and the heater. By operating the 140, the temperature of the nutrient solution is controlled, the light sensor 107 measures the amount of light received by the seed potato seedling, and the feeding time zone, the supply time and the period of the nutrient solution required for the growth of the seed potato seedling of the cultivation unit (A). By determining the seed potato receives a constant nutrient solution that is flexibly cope with the surrounding environment, the nutrient solution is to be supplied at different time periods, times, cycles and concentrations according to the growth of the seed potato.

Here, the nutrient solution production supply unit (B) is a nutrient solution including a level detection control unit 150 for detecting the water level of the nutrient solution so that the level of the nutrient solution tank 135 is automatically adjusted by the control means (D) The water pressure is maintained to flow out to the injection nozzle 101 of the cultivation unit A.

At this time, the nutrient solution manufacturing supply unit (B) includes a germicidal solution including an ultraviolet sterilization unit 155 for circulating the nutrient solution stored in the nutrient solution tank 135 to the upper and lower portions by the circulation pump 152 to sterilize the impurities Preventing the feeding of nutrient solution to seed potato seedlings prevents seed potato pests.

And, the nutrient solution stored in the nutrient solution tank 135 of the nutrient solution production supply (B) is supplied through the conduit 156 to the injection nozzle 101 of the cultivation unit (A), the duct 156 is the nutrient solution A filter 157 for filtering impurities and detecting blocking of nutrient solution supply to the injection nozzle 101 of the cultivation unit A and sending the detection signal to the control means D. By this, the supply of nutrient solution is prevented from being made abnormally, and when the supply of nutrient solution to seed potato seedlings is blocked, it is to be sensed by the control means (D).

In addition, a pipe is connected to the lower portion of the cultivation bed 110 and is supplied to the seed potato seedling of the cultivation bed 110 and the remaining nutrient solution is stored in the nutrient solution recovery tank 200 via a pipeline and then pumped by the nutrient solution tank 135. ), It is possible to prevent the remaining nutrient solution other than the amount necessary for the growth of seed potato seedlings to be evaporated into the atmosphere and wasted.

Hereinafter, as shown in Figure 9, looks at in detail the control system configuration of the control means of the seed potato nutrient solution cultivation apparatus according to the present invention.

That is, the remote control box 200 allows the user to monitor the remote environment in real time, stores the data input by the user in a computer, and uses the stored data to supply the nutrient solution manufacturing unit at a remote location (B). ) And the operation of the motor or the liquid feed motor 158 of the pump included in the feed solution supply (C).

The communication converter 210 uses RS-422, which improves the serial communication distance (1.5km) from the computer 180, so that data transmission to a remote site is much more advantageous. Considering the location (office or house), use RS-422 converter rather than RS-232C with short communication distance of 15m.

The sub control box (Sub Controll Box or Date logger) 220 analyzes the data transmitted from the remote location and according to the result of the nutrient supply liquid supply motor 158 and the liquid supply timer, cooler (137) attached to the manual control box 230 ) And a signal for driving (controlling) the heater 140, the pH sensor 145, the concentration sensor 147, the optical sensor 107, and the like, and the manual input includes the liquid supply time, the nutrient solution temperature, the acidity (pH), Concentration EC (or electrical conductivity) can be used, and the output is input to the manual control box 230 according to the signal value of the input to drive the manual switch MS and the sensor device.

In addition, the data received from the Display Part 260 is transmitted to the remote computer 180, and the user supplies the nutrient solution supply state and supply time, the pH of the benefit solution, and the conductivity (EC). You can check the overall control status such as status.

In addition, the manual control box 230 may operate the device automatically by using the data transmitted from the computer 180 or manually, without the control of the computer 180, the timer, the temperature, It is an independent part that can operate the seed potato nutrient cultivation device by inputting other values such as PH) and concentration (EC), and prevents the malfunction and damage of the whole seed potato nutrient cultivation facility due to program malfunction and computer system failure. In addition, the control unit 231 determines whether manual control or automatic control is to be determined, and parts not used are turned on and off so that data collisions do not occur.

And, the actuator part 240 (actuator part) portion of the operation motor, the cooler 137 and the heater 140, the stock solution and acid, alkali dosing pump 177 of the nutrient solution production supply (B) or stock solution supply (C) As a driving part, when a signal capable of driving (controlling) the remote control box 200 is received, the motor and the system installed in response to the operation.

And, the sensor part 250 (Sensor Part) is composed of a variety of sensors that can measure the state of the nutrient solution (pH, EC, nutrient solution temperature, light quantity) and the root zone environment (temperature) value of seed potato seedlings, The nutrient solution temperature, pH sensor 145 and the concentration sensor 147 for measuring are submerged in the nutrient solution supplied in the nutrient solution tank 135 and measure the root zone environment (temperature) of seed potato seedlings growing in the nutrient solution plant. The cultivation temperature sensor 105 may measure the temperature of the root zone, which is installed and controlled while penetrating the cultivation bed 110. Here, since the photosynthesis amount and water evaporation amount of the seed potato seedling and the amount of water absorption and water absorption of the root zone vary depending on the amount of light irradiated by the sun, the light (insolation dose) sensor 107 measures the amount of irradiation light by installing it inside the facility rather than an external facility.

In addition, the display part 260 is a part for outputting the measured value measured by the sensor part 250 to the instrument panel so that the cultivator can visually check the display part. The display part 260 is connected to the LCD window connected to the manual control box 230. In this case, the sensor value can be checked, and in the case of a remote site, the measured data can be received through the sub control box 220 and checked on the monitor screen of the computer 180.

In addition, the target 270 represents the seed potato seedling growing bed 110 of the nutrient solution cultivation facility, which is the final target, and the characteristics of the electrical signal with respect to the input or sensor value performed as a result of all the above processes. The operation of the device with respect to the shape value of the connecting device transfers seed potato seedling growth cultivation bed (110).

On the other hand, the switches 201, 211, 221, 240, which are not described, are switches for controlling power supply and disconnection of each box or part.

Hereinafter, the operation process of the seed potato nutrient cultivation device according to the present invention for producing seed potato by applying the automatic management program of each growth stage as described above.

Figure 10 is a photograph showing a state window of the optimum root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention, Figure 11 is the optimal root system cultivation of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention Seed potato nutrient solution setting window of the automatic environmental management program, Figure 12 is a picture showing the seed potato nutrient solution temperature setting window of the optimum root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention, 13 is a photograph showing a seed potato nutrient solution setting result window (PH, EC, nutrient solution temperature, medium temperature) window of the optimal root system cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment of the present invention, Figure 14 The photograph showing the communication setting window of the optimal root zone cultivation environment automatic management program of seed potato nutrient solution cultivation apparatus according to an embodiment.

10 to 13, when the cultivation operator runs the computer 180 at a remote location of the cultivation unit A, according to the amount of solar radiation inside the facility measured by the light sensor 107, the "Sunday (80,000 Lux) ) "," Cloudy day (less than 80,000 lux, more than 30,000 Lux) "," Rainy day (less than 30,000 Lux) ", time setting according to each weather change (light quantity) (water supply time), Temperature (PH), concentration (EC), nutrient solution temperature (water temperature), and medium temperature (temperature of seed potato seedling cultivation bed root zone) of nutrient solution currently supplied to seed potato seedlings You can see the current value measured by the sensor.

In addition, 24 hours (00 to 24 hours) recording of the concentration (EC), pH (pH), nutrient solution temperature (liquid temperature), medium temperature, etc., supplied to seed potato seedlings is compared with the control status and the status currently being managed. By reviewing, reviewing and modifying the device, it is possible to immediately check the optimum environment reset of seed potato seedlings by changing the operation of the device, modifying the control values, and operating system failure.

The operation process of seed potato nutrient cultivation device receives and executes user-defined data directly controlled by the cultivation manager, and has additional functions such as storage function, addition and deletion of data table selected by the user, and data update.

Here, "user-defined data" is the data obtained by the user experimentally in Table 9 above, that is, an arbitrary input value inputted by the cultivation manager during seed nutrient cultivation for the optimal environmental management (control) composition of the root bed of the seed potato seedlings. In order to control this, input data as "Time Band", "Reset Time", "Supply Time", etc. and input data using object property. To reflect the data.

According to the weather shown in the menu of the program, the cultivation operator inputs the control value of the nutrient solution cultivation seed potato seedling root zone environment composition to manage (time setting: feeding time, temperature setting: nutrient solution temperature). Sunlight value of fluctuations irradiated within (Sunlight: 80,000 Lux, Cloudy: 30,000 Lux or more, 10,000 Lux or less, Rainy day: 30,000 Lux or less), depending on the amount of insolation The system is operated on each nutrient cultivation bed, taking into account the capacity and the amount of water evaporation.

That is, to set the nutrient supply time of the bed where each seed potato seedling is growing, using the welfare presenter, stem kidney nutrient solution and root control program of Table 9 prepared by the present invention, first click the time setting in FIG. As shown in Fig. 11, for each of the "Sunny Day", "Cloudy Day" and "Rainy Day" tabs, enter the feed time, break time, and feed time of each planted bed seedlings. The setting values of nutrient solution temperature, pH, and EC may be input. As shown in Table 1 below, if the liquid supply time and liquid temperature value are set and input according to the amount of light in the facility and the temperature conditions of the root zone, it is shown in Table 10.

Example 1) Seed Potato Seed Welfare Machine, Stem Extension, Nutrient Amount and Root Power Management

Table 10 is a seed potato seedling nutrient solution supply time setting (when four seed potato seedling cultivation bed).

The optimum environmental condition conversion (nutrient feeding and root temperature) of the rooting cultivation of seed potato nutrient cultivation was carried out by the cultivation operator during the stage of growth , Tuber forming period, non-atmosphere and harvesting period; after 50 days), input control to the computer as shown in the table 10 seed nutrient solution feeding time setting in Table 10 above, the current time zone that is input and operated, the amount of light irradiated in the facility In accordance with the automatic conversion and the control input value, the feed nutrient motor is operated to feed the nutrient solution to each bed.

As shown in FIG. 11, the window of the nutrient solution feeding time setting is for 1 minute every 8 minutes with the difference of the feeding liquid resting on the four cultivation beds from 00:00 to 03:02 on the sunny day. 7 minutes rest / 1 minute supply), an example set to supply the nutrient solution, when each bed (BED) is operated to feed the nutrient solution, the state of the bed (BED1 tap) as shown in FIG. When the liquid supply is not in operation, the "rest" status is indicated by the notation (BED2, BED3, BED4 taps), and the bed rest and supply status are recorded in the lower blank window according to the operating time for reference. .

As shown in Table 10 above, seed potato seedling nutrient feeding time is set as an example of 1) seed potato seedling seedling welfare plant, stem kidney feeding amount and rooting time management value, and the feeding time value to be entered. In the case of four cultivation beds, on a sunny day, from 08:20 to 08:40, the feed (supply) time is 4 minutes 30 seconds / 30 seconds In order to operate with injection water), the data input setting is input as time zone 08: 20-08: 40, break time 00:45, and supply time 00:30 seconds. The input value of 30 seconds / 30 seconds is first converted into five minutes of nutrient solution rest time and supply time (seconds), and the converted time of 300 seconds divided by the number of cultivation beds (4 beds) to supply nutrient solution. Add 75 seconds to 45 seconds by subtracting 30 seconds from the feeding time. Interval that is made every 45 seconds.

In other words, the nutrient supply liquid supplied to each seed potato nutrient cultivation bed is fed 30 seconds after the bed (BED) 1 45 seconds rest, then operate the bed (BED) 2 according to the control signal, 30 seconds after the 45 seconds rest to supply the bed (BED) 3 operates at the end of the 30 second feed of bed (BED) 2, followed by a 30 second feed after a 45 second break. Bed (BED) 4 is also operated for 30 seconds after 45 seconds of rest. Thus, the total break time per bed (BED) is 4 minutes 30 seconds (270 seconds) and the feeding time is 30 seconds.

This means that when the supplied nutrient solution (3 tons) is excessively fed into the cultivation bed by the feed motor operation, the nutrient solution circulated back to the original position (the nutrient solution tincture) is inclined at the natural potential energy (the slope of the cultivation plant cultivation bed in the seedling planting bed). (1/500 to 1,000), the amount of nutrient solution forced by the nutrient feeding motor is greater than the amount of nutrient solution circulated and recovered, and the nutrient solution in the nutrient tank is gradually reduced and supplied into the cultivation bed due to the difference between the nutrient solution supplied and recovered. As the nutrient solution increases, the automatic level control device of the nutrient solution tank to replenish the nutrient solution, the operation of peripheral devices to replenish the insufficient nutrient concentration (EC) and pH, the cooler and the heater to maintain a constant specific heat, etc. Excessive currents and loads are applied, and two are simultaneously grown to prevent the risk of fire and system shutdown caused by current cut-off. Irrigation is adjusted to prevent the de higher. Therefore, the supply operation when operating two or more cultivation beds are sequentially operated to bed (BED) 1, bed (BED) 2.

Temperature environment setting of seed potato seedling root zone is about 22 ± 0.2 ° C in day and night in seed potato seedling planting stage, and suitable for the growth stage of seed potato seedling as shown in Table 8 above. The nutrient solution is managed so that day and night 20 ± 0.2 ℃, welfare extension is 18 ± 0.2 ℃, tuber forming, non-atmosphere, and harvester is 18 ± 0.2 ℃ during the day and 16 ± 0.2 ℃ at night. Cooling or warming is performed using control devices such as chillers (coolers) and heaters (electric heaters).

In order to prevent the physiological damage of the seed potato seedlings grown, the liquid temperature to be sprayed is 15.0 ° C or higher, with the minimum temperature cooling limit of the liquid temperature being 15.0 ° C, which is a concern about the root zone damage of seed potato seedlings. Based on 24 ℃ where the starch content of seedlings decreases, the limit value of the maximum heating temperature of liquid temperature should be controlled to 24.9 ℃ or less. If it is impossible, increase the feeding time by 5 seconds and keep the root zone temperature constant.

That is, when the nutrient solution temperature (liquid temperature) is 15.0 ℃, the liquid supply time is 2 minutes 30 seconds, 30 seconds liquid injection (2 minutes 30 seconds / 30 seconds), the root zone environment temperature 22 ± 0.3 ℃, the current seed potato seedling cultivation When the bed wound zone temperature rises above the control setting to 24.0 ° C, the liquid temperature can no longer be cooled to 15.0 ° C. Increase the control setting value of the feed time until it reaches the setting value that you want to maintain, such as 2 minutes 30 seconds, 35 seconds rapid injection, 2 minutes 30 seconds, 40 seconds rapid injection, 2 minutes 30 seconds, 45 seconds rapid injection, etc. Adjust to spray.

The following seed potato seedling nutrient feeding temperature is set in Example 1) Seedling seedling welfare seedling, stem kidney seedling nutrient feeding and root volume management, and the liquid temperature value to be inputted. The liquid temperature setting is changed according to the change of insolation amount and time so that the root zone temperature environment is maintained at around 20 ± 0.2 ° C in accordance with the growth stage, and the root zone temperature environment in which seed potato seedlings in the cultivation bed under control are currently growing. The media temperature is measured on a computer monitor, and the cultivation manager can adjust and control the optimum root zone environment value required by seed potato seedlings such as gradual changes in temperature and temperature rise.

 Table 11 shows seed seedling nutrient solution liquid supply temperature settings.

Therefore, the automatic management of the cultivation facilities (water supply and root zone temperature) according to the seed potato nutrient solution cultivation optimal root zone cultivation environment automatic management program is as follows. According to the signal of the light sensor that can measure the amount of sunlight in the nutrient solution cultivation facility Sunny days: 80,000 Lux, Cloudy days: 30,000 Lux or more ℃ 10,000 lux or less, Rainy days: 30,000 Lux or less The amount of nutrient solution supplied to the root zone of seed potato seedlings has a certain specific heat (temperature) according to the user-defined data (Table 9. Automated management of seed root nutrient solution cultivation environment or program data. This is to maintain the temperature of the root zone by supplying and spraying the excited liquid temperature at regular time intervals.

The following nutrient solution temperature (liquid temperature) setting window is the nutrient solution temperature on a sunny day. If the nutrient solution temperature is inputted as the cold temperature 11 and the heating temperature 10 from 00:00 to 11:59, the device cools according to the input value. Or keep it constant at 11 ~ 10 ℃ by heating (heater), and when the nutrient solution is below 10 ℃ of the set value, heat the heater immersed in the nutrient solution tank to warm the nutrient solution, and when the nutrient solution rises above 11 ℃, To work.

As shown in FIG. 14, the communication port setting is used by the user as a default based on COM1, and when a communication port and a system error occur, "communication error" appears on the main screen. It is difficult to recall DATA when there are too many saved data. If you set it to 60 seconds, you can call up one data for 60 seconds and turn each relay output on and off manually. Also, after entering the relay number, press the Send key to check the operation of the relay.

15 is a block diagram of a control method of seed potato nutrient cultivation apparatus according to an embodiment of the present invention.

As shown in Figure 8 and 15, the control method of seed potato nutrient cultivation apparatus according to the present invention is to automatically control the seed potato nutrient cultivation device, the growth of seed potato seedlings transplanted to the cultivation bed 110 dedicated to nutrient cultivation An environmental loading step 300 in which light quantity and temperature, which are elements, are detected by the optical sensor 107 and the cultivation temperature sensor 105, converted into digital signals, and then loaded into a user interface window of a computer together with current time information; After the environmental loading step 300, the nutrient solution supply time zone, the nutrient solution supply time of the seed potato seedling through the user interface window manually or automatically data-stored in advance according to the light quantity, temperature, time information, nutrient solution supply time, nutrient solution supply A nutrient solution time setting step 310 of setting a time; After the nutrient solution time setting step 310, the nutrient solution production time input to the computer 180 and the set value of the nutrient solution supply time is placed on the cultivation bed 110 of a remote place through a predetermined communication module 190 Transmitting a data communication step 320 to the control unit 185; After the data communication step 320, the stock solution supply unit (C) for supplying the organic-inorganic stock solution, acid, and alkaline liquid to the nutrient solution production supply unit (B) and the nutrient solution production supply unit (B) receiving the control unit by the set value A nutrient solution production supply step 330 of automatically controlling the temperature, acidity, and concentration according to the set value, and supplying the seed solution to seed seedlings of the cultivation bed 110 by 185; And after the nutrient solution production supply step 330, the temperature and the light quantity of the cultivation bed 110, which is the growth information for the seed potato seedling, are measured by a sensor unit, and the temperature and concentration of the nutrient solution of the nutrient solution production supply unit 110. The growth information storage step 340 of measuring the acidity with each sensor and transmitting it to the remote computer 180 through the predetermined communication module 190 and storing it as a log file of the user in the computer 180. It includes.

In addition, the nutrient solution production supply step 330 is to manually input the nutrient solution supply time, nutrient solution temperature, and acidity to the control unit 185 to control according to the feed solution supply unit (C) and nutrient solution production supply unit (B) accordingly Manual selection step 315 for supplying the nutrient solution to the seed potato seedlings of the cultivation bed 110.

At this time, after the growth information storage step 340, the root portion temperature of the seed potato seedlings of the cultivation bed 110 is measured, and if the temperature is out of a predetermined growth temperature management range, the nutrient solution of the nutrient solution production supply part B is cooled. Or by heating the growth temperature control step 350 to adjust the root temperature of the seed potato seedlings according to the growth temperature management range.

According to the production method as described above, as can be seen in Figures 16 and 17, the effective welfare water and effective welfare of the seed potato seedling is smoothly formed to form a healthy tuber, it can be confirmed that a large number of seed potato can be confirmed have.

As described above, according to the mass production method of seed potatoes according to the present invention, by controlling the temperature of the nutrient solution, the nutrient solution supply interval appropriately for the water evaporation amount and step growth of seed potato seedlings according to the amount of insolation during the day, the optimum for seed potato seedlings It will be able to create a fundamental rights environment. In addition, it is possible to manage the pH of the nutrient solution and the concentration of the nutrient solution for each growth stage of seed potato seedlings.

Therefore, according to the production method according to the present invention, it is possible to secure the maximum number of effective welfare and the effective welfare of the potato can run, it is possible to ensure a stable large number of seed potatoes.

Claims (35)

A method of producing seed potatoes by cultivating seed potato seedlings, the production step of the seed potato (a) rooting machine; (b) welfare expressing stem and kidney extension; (c) welfare kidneys; (d) Mass production method of seed potatoes, which are divided into four stages of tuber formation period, tuber hypertrophy and harvesting period, and differently control the temperature of root zone of seed potato seedling. The method of claim 1, The temperature of the seedling seedling root zone is 22 ± 0.2 ℃ for step (a); 20 ± 0.2 ° C. for step (b); 18 ± 0.2 ° C. for step (c); In the case of step (d), the method of mass production of seed potatoes is maintained at 18 ± 0.2 ℃ during the day and 16 ± 0.2 ℃ at night. The method of claim 1, Temperature management of the root zone of seed potato seedlings is divided into (a), (b), (c), and (d) each step into a sunny day, a cloudy day, and a rainy day. Mass production method of seed potatoes made by controlling the temperature of nutrient solution differently. The method of claim 3, wherein When the feeding interval of the nutrient solution is a sunny day of the step (a), the mass production method of seed potatoes to be managed under conditions of 2 minutes 30 seconds rest / 30 seconds nutrient solution injection. The method of claim 3, wherein Feeding interval of the nutrient solution is the mass production method of seed potatoes to be managed under the conditions of 3 minutes 30 seconds rest / 30 seconds nutrient solution injection in the case of cloudy days and rainy days of the step (a). The method of claim 3, wherein When the feeding interval of the nutrient solution is a sunny day of the step (b), 08:20 ~ 08:40, 4 minutes 30 seconds rest / 30 seconds nutrient solution injection; 08: 40-09: 30: 3 minutes 30 seconds rest / 30 seconds nutrient injection; Between 09:30 and 18:00 2 minutes 20 seconds rest / 40 seconds nutrient injection; Between 18:00 and 19:00; 3 minutes 30 seconds rest / 30 seconds nutrient injection; 4 minutes 30 seconds rest / 30 seconds nutrient solution injection from 19:00 until sunset; After sunset at 08:20, mass production of seed potatoes managed under conditions of 5 minutes 30 seconds rest / 30 seconds nutrient solution injection. The method of claim 3, wherein When the nutrient supply interval of the nutrient solution is a cloudy day of the step (b), 08:20 ~ 09:30 4 minutes 30 seconds rest / 30 seconds nutrient solution injection; 09: 30-16: 30: 3 minutes 30 seconds rest / 30 seconds nutrient injection; 4 minutes 30 seconds rest / 30 seconds nutrient solution injection from 16:30 to sunset; After sunset at 08:20, mass production of seed potatoes managed under conditions of 5 minutes 30 seconds rest / 30 seconds nutrient solution injection. The method of claim 3, wherein When the feeding interval of the nutrient solution is a rainy day of the step (b), mass production method of seed potatoes to be managed under the condition of 5 minutes 30 seconds rest / 30 seconds nutrient solution injection. The method of claim 3, wherein When the liquid supply interval of the nutrient solution is a sunny day of the step (c), 09:30 ~ 11:30 7 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; 6 minutes break / 1 minute nutrient injection between 11:30 and 19:00; 7 minutes and 30 seconds rest / 1 minute and 30 seconds nutrient solution spray from 19:00 until sunset; It is mass production method of seed potato managed under conditions of 13 minutes rest / 2 minutes nutrient solution injection after sunset at 09:30. The method of claim 3, wherein When the liquid supply interval of the nutrient solution is a cloudy day of the step (c), 09:30 ~ 19:00 7 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; It is mass production method of seed potato managed from 19:00 to 09:30 on condition of 13 minutes rest / two minutes nutrient solution injection. The method of claim 3, wherein When the feeding interval of the nutrient solution is a rainy day of the step (c), the mass production method of seed potatoes to be managed under the conditions of 13 minutes rest / 2 minutes nutrient solution injection. The method of claim 3, wherein When the liquid supply interval of the nutrient solution is a sunny day of the step (d), 08:40 ~ 09:30 18 minutes 30 seconds rest / 1 minute 30 seconds nutrient solution injection; Between 09:30 and 11:30, 9 minutes break / 1 minute nutrient injection; 6 minutes 10 seconds rest / 50 seconds nutrient injection at 11: 30-18: 00; 18 minutes 30 seconds rest / 1 minute 30 seconds nutrient injection at 18:00 until sunset; After sunset, it is mass production method of seed potato which manages under conditions of 58 minutes rest / two minutes nutrient solution injection from 08:40. The method of claim 3, wherein When the supply interval of the nutrient solution is a cloudy day of the step (d), 09:30 ~ 14 minutes break / 1 minute nutrient solution injection until sunset; After sunset, it is mass production method of seed potato managed by condition of 58 minutes rest / 2 minutes nutrient solution injection from 09:30. The method of claim 3, wherein When the nutrient supply interval of the nutrient solution is a rainy day of the step (d), 19 minutes break / 1 minute nutrient solution injection until 09:30 ~ sunset; After sunset, it is mass production method of seed potato managed by condition of 58 minutes rest / 2 minutes nutrient solution injection from 09:30. The method of claim 3, wherein When the temperature of the nutrient solution is a sunny day of the step (a), from 08:40 to sunset until 21.4 ℃ ~ 21.6 ℃; After sunset ~ 08:40, mass production method of seed potatoes managed at 22.0 ℃ ~ 22.2 ℃. The method of claim 3, wherein When the temperature of the nutrient solution is cloudy and rainy days of the step (a), from 08:40 to sunset until 21.6 ℃ ~ 21.8 ℃; After sunset ~ 08:40, the mass production method of seed potatoes managed at 22.0 ℃ ~ 22.2 ℃.  The method of claim 3, wherein When the temperature of the nutrient solution is a sunny day of the step (b), at 08:40 ~ 09:30 16.2 ℃ ~ 16.4 ℃; 09:30 to 11:30, 16.0 ° C to 16.2 ° C; 15.8 ° C to 16.0 ° C in 11:30 to 16:30; 16.0 ° C.-16.2 ° C. at 16: 30-19: 00; 17.2 ° C to 17.4 ° C from 19:00 to sunset; After sunset ~ 08: 40 mass production method of seed potatoes managed at 20.0 ℃ ~ 20.2 ℃.  The method of claim 3, wherein When the temperature of the nutrient solution is a cloudy day of the step (b), from 09:30 to sunset until 16.1 ℃ ~ 16.3 ℃; After sunset ~ 09:30, mass production method of seed potatoes managed at 20.0 ℃ ~ 20.2 ℃. The method of claim 3, wherein When the temperature of the nutrient solution is a rainy day of the step (b), 16.2 ℃ ~ 16.4 ℃ until 09:30 ~ sunset; After sunset ~ 09:30, mass production method of seed potatoes managed at 20.0 ℃ ~ 20.2 ℃. The method of claim 3, wherein When the temperature of the nutrient solution is a sunny day of the step (c), 09:30 ~ 11:30 15.8 ℃ ~ 16.0 ℃; 15.4 ° C.-15.6 ° C. at 11: 30-18: 00; 16.0 ° C-16.2 ° C from 18:00 until sunset; After sunset ~ 09: 30 Mass production method of seed potatoes managed at 16.2 ℃ ~ 16.4 ℃.  The method of claim 3, wherein When the temperature of the nutrient solution is a cloudy day of the step (c), 09:30 ~ 19:00 at 15.8 ℃ ~ 16.0 ℃; The method of mass production of seed potatoes managed at 16.2 ℃ ~ 16.4 ℃ from 19: 00 ~ 09: 30.  The method of claim 3, wherein When the temperature of the nutrient solution is a rainy day of the step (c), 09:30 ~ 19:00 at 15.8 ℃ ~ 16.0 ℃; The method of mass production of seed potatoes managed at 16.2 ℃ ~ 16.4 ℃ from 19: 00 ~ 09: 30.  The method of claim 3, wherein When the temperature of the nutrient solution is a sunny day of the step (d), at 08:20 ~ 08:40 17.0 ℃ ~ 17.2 ℃; From 08:40 to 09:30, 16.2 ° C to 16.4 ° C; 09:30 to 11:30, 15.8 ° C to 16.0 ° C; 15.4 ° C-15.6 ° C in 11: 30-16: 30; 15.8 ° C to 16.0 ° C from 16:30 to sunset; After sunset ~ 08: 20 mass production method of seed potatoes managed at 16.0 ℃ ~ 16.2 ℃.  The method of claim 3, wherein When the temperature of the nutrient solution is a cloudy day of the step (d), at 08:20 ~ 09:30 17.0 ℃ ~ 17.2 ℃; 15.8 ° C to 16.0 ° C from 09:30 to sunset; After sunset ~ 08: 20 mass production method of seed potatoes managed at 16.0 ℃ ~ 16.2 ℃.  The method of claim 3, wherein When the temperature of the nutrient solution is a rainy day of the step (d), at 08:20 ~ 09:30 17.0 ℃ ~ 17.2 ℃; 09: 30 ~ 08: 20 Mass production method of seed potatoes managed at 16.0 ℃ ~ 16.2 ℃. The method of claim 1, A method for mass production of seed potatoes, the pH of the nutrient solution to be supplied and the electrical conductivity (EC) of the nutrient solution are differently controlled for each step (a), (b), (c), and (d). The method of claim 26, PH of the nutrient solution is pH 6.8 ~ 7.0 in the case of step (a); pH (6.4)-7.0 for step (b); pH 5.8-6.2 for step (c); In the case of step (d), the method of mass production of seed potatoes controlled at pH 5.7 ~ 5.9. The method of claim 27, In the case of step (b), the mass production method of seed potatoes to be managed at pH 6.8 ~ 7.0 in the welfare emergence period, pH 6.4 ~ 6.6 in the stem kidney. The method of claim 27, In the case of step (c), the initial two days pH 6.0 ~ 6.2, after that pH 5.8 ~ 6.0 to manage the mass production method of seed potatoes. The method of claim 26, The electrical conductivity of the nutrient solution is 0.8 in the case of (a); 1.0-1.5 for step (b); 1.2 to 1.3 for step (c); In the case of step (d), the method of mass production of seed potato managed as 1.2 ~ 1.5. The method of claim 30, In the case of step (b), the first one day, the electrical conductivity of the nutrient solution is managed to 1.0, after which the welfare presenter is 1.2, the stem elongation is managed by the mass production method of seed potatoes. The method of claim 30, In the case of the step (c), the first two days to manage the electrical conductivity of the nutrient solution to 1.2, after that to manage the mass production of seed potatoes. The method of claim 30, In the case of step (d), 2 ~ 3 days before harvesting, the electrical conductivity of the nutrient solution is controlled to 1.5, and other than 1.2 to manage the mass production of potato. The method according to any one of claims 1 to 33, Nutrient spray nozzle for supplying nutrient solution for cultivating seed potato seedlings obtained by cultivating the growth point collected from virus-tested seed potato seed, cultivation temperature sensor for measuring the temperature of root, and optical sensor for measuring the amount of light received by stem A cultivation unit including a cultivation bed having a; Nutrient tank containing nutrient solution containing organic-inorganic nutrients, raw water to adjust the concentration of the stock solution, acid for adjusting the acidity of the stock solution, alkaline solution to quantitatively supplied nutrient solution supplied to the seed potato seedlings of the cultivation unit Coolers and heaters for transferring heat to the nutrient solution to adjust the temperature of the nutrient solution stored in the nutrient solution tank, nutrient solution temperature sensor for measuring the temperature of the nutrient solution stored in the nutrient solution tank, pH sensor for measuring acidity, concentration of the nutrient solution A nutrient solution production supply unit for supplying a nutrient solution prepared by a pump to a spray nozzle of the cultivation unit, including a concentration sensor to measure; The acid and alkaline liquid for preparing the nutrient solution in the nutrient solution manufacturing supply unit is stored in an acid and alkaline liquid tank, and the stock solution containing the organic-inorganic nutrients is stored in a stock solution tank and supplied to the nutrient solution tank by respective metering pumps. Stock solution supply unit; And In order to supply the nutrient solution prepared with the appropriate acidity, concentration and temperature necessary for root growth of seed potato seedlings of the cultivation part to the seed potato seedlings, the nutrient solution detected by the pH sensor is collected and the concentration of the nutrient solution detected by the concentration sensor Collecting the acid, alkaline liquid and the feed of the nutrient solution to the nutrient solution tank of the nutrient solution production supply unit from the stock solution supply unit, and the growth temperature of the root portion of the seed potato seedling detected by the cultivation temperature sensor and the nutrient solution detected by the nutrient solution temperature sensor The temperature of the nutrient solution is controlled by collecting the temperature of the nutrient solution and operating the cooler and the heater. Seed nutrient solution cultivation apparatus comprising a control means for adjusting the supply time period and the supply amount of the nutrient solution by Method of mass producing formed by seed potatoes. The method of claim 34, wherein The seed potato nutrient cultivation device An environmental loading step in which light quantity and temperature, which are growth factors of seed potato seedlings, transplanted to a cultivation bed dedicated to nutrient solution are detected by an optical sensor and a temperature sensor, are converted into digital signals, and then loaded into a user interface window of a computer together with current time information; After the environmental loading step, the nutrient solution supply time, nutrient supply time and rest time of seed potato seedlings are automatically inputted through the user interface window to automatically load and store nutrient solution supply temperature, concentration and acidity in advance according to the light quantity, temperature and time information. Nutrient solution time setting step; A data communication step of transmitting a temperature, concentration, and acidity value of the loaded nutrient solution to a nutrient solution manufacturing control unit disposed in a cultivation bed at a remote place after a predetermined communication module; After the data communication step, the control unit automatically controls the stock solution supply unit for supplying the organic-inorganic stock solution, the acid and the alkaline liquid to the nutrient solution supplying unit, and the nutrient solution supplying unit for receiving the same according to the set temperature, concentration, and acidity. A nutrient solution manufacturing step of preparing a nutrient solution having a controlled temperature, acidity, and concentration and supplying it to the seed potato seedlings of the cultivation bed; And After the nutrient solution production supply step, the temperature and light amount of the cultivation bed, which is the growth information for the seed potato seedlings, are measured by a sensor unit, and the temperature, concentration, and acidity of the nutrient solution of the nutrient solution production supply unit are measured by the respective sensors. A mass production method of seed potato controlled by a control method comprising the step of transmitting to a remote computer via a predetermined communication module, and storing the growth information to be stored as a log file of the user.

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