CN115211332A - Three-dimensional suspension seedling raising method - Google Patents
Three-dimensional suspension seedling raising method Download PDFInfo
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- CN115211332A CN115211332A CN202210972172.XA CN202210972172A CN115211332A CN 115211332 A CN115211332 A CN 115211332A CN 202210972172 A CN202210972172 A CN 202210972172A CN 115211332 A CN115211332 A CN 115211332A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/05—Fruit crops, e.g. strawberries, tomatoes or cucumbers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/12—Supports for plants; Trellis for strawberries or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention provides a three-dimensional suspension seedling raising method, and relates to the technical field of plant seedling cultivation. The three-dimensional suspension seedling raising method comprises the following steps: building a seedling raising shed, and erecting a ventilation device in the seedling raising shed; seedling raising of strawberry seedlings, namely putting the strawberry seedlings into a seedling raising pot which takes culture soil as a container matrix for culturing; arranging climbing lines, sterilizing, disinfecting, and connecting the through holes of the nursery pots with the longitudinal strip steel pipes; hanging for growth, climbing in an S shape, winding stems and leaves of irregularly growing strawberry seedlings on climbing lines in an S shape by manpower, binding the stems and leaves by iron wires, and supplementing light at night; temperature and humidity management, heating, water-saving irrigation, moisture supplement, ventilation and sterilization. Through setting up seedling raising shed, cultivate to the basin of growing seedlings who uses the cultivation soil as container matrix, arrange to the climbing line again and make seedling suspension type growth, regulate and control humiture, ventilation degree and irrigation at last for strawberry seedling growth arranges neatly, stops the emergence of soil-borne disease, increases the unit area output.
Description
Technical Field
The invention relates to the technical field of cultivation of plant seedlings, in particular to a three-dimensional suspension seedling cultivation method.
Background
The seedling raising is the meaning of raising seedlings, and originally means raising seedlings in a nursery, a hotbed or a greenhouse for transplanting to the land for planting, and also means a stage that various biological seedlings are artificially protected until the seedlings can independently live, in common words, the seedlings are strong and half harvested, and the seedling raising is work with high labor intensity, time consumption and high technology.
Traditional mode of growing seedlings strawberry seedling free growth can't control the plant spacing of strawberry seedling, and then cause the strawberry seedling to distribute the density inequality, the pest that exists also very easily causes harm to the strawberry seedling in addition in soil, can't stop the emergence of soil-borne disease, and traditional mode of growing seedlings is for letting the strawberry seedling grow fast in greenhouse environment, arrange the film of leakproofness in strawberry seedling outside more, and the mode of ventilating is a plurality of hole sites of puncturing on the film, this method causes inside ventilation effect not good easily, influence the healthy growth of strawberry seedling, also can lead to the emergence of the unit area output decline problem of strawberry seedling.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a three-dimensional suspension seedling method, which solves the problems of uneven planting distribution, easy occurrence of soil-borne diseases, poor ventilation effect and low yield per unit area in the traditional strawberry seedling method.
In order to achieve the purpose, the invention is realized by the following technical scheme: a three-dimensional suspension seedling raising method comprises the following steps:
step one, building a seedling raising shed: firstly, burying a first upright column at the left side and the right side, then burying 30-40 upright columns backwards in parallel at equal intervals by taking the first upright column at the left side and the right side as a reference, determining the width and the length of a single seedling raising shed, then welding metal square pipes at the tops of the laid upright columns at the left side and the right side, after welding, welding 30 parallel steel pipes at equal intervals at the inner sides of the metal square pipes to obtain a foundation shed part, then welding 90 arc-shaped steel pipes at the tops of the metal square pipes, welding reinforcing steel pipes at the bottoms of every 3 arc-shaped steel pipes, welding the bottoms of the reinforcing steel pipes with the tops of the parallel steel pipes, welding 3 longitudinal long steel pipes at the bottoms of the parallel steel pipes, finally laying a shed film at the top, and arranging ventilation devices at the periphery and the top of the shed to obtain the built single upright column seedling raising multi-span greenhouse;
step two, seedling raising and placing of strawberry seedlings: putting strawberry seedlings into seedling pots with cultivation soil as a container matrix for cultivation, transferring the seedling pots to a greenhouse, carrying out compact longitudinal arrangement according to the orientation of 3 longitudinal long steel pipes, wherein the arranged seedling pots are all 2 rows, and the middle residual greenhouse space is an observation walking channel;
step three, climbing line arrangement: a through hole is formed in the upper part of the outer side of the seedling raising pot, one end of each climbing line is tied in the through hole of the seedling raising pot, the other end of each climbing line is tied on the longitudinal long steel pipe, the bound climbing lines are in a tight state, and the climbing lines of the 2 rows of seedling raising pots are staggered with each other, so that the arrangement of the climbing lines is completed;
step four, suspension growth: the strawberry seedlings grow for 7-15 days, stem and leaf parts develop and form, the stem and leaf parts grow and extend outwards due to growth habits of the seedlings, and after the seedlings contact with the tight climbing line, the seedlings are manually assisted to climb in a climbing type S-shaped climbing growth mode;
step five, temperature and humidity management: the greenhouse is heated by a boiler, and the humidity in the greenhouse is supplemented by a high-pressure spraying device arranged in the greenhouse, the temperature is controlled to be 26.5-27.5 ℃, the humidity is controlled to be 72-78%, and a ventilation device is started every 3-5 hours for continuous ventilation for 20-30 minutes.
Preferably, in the first step, the distance between the left and right first vertical columns is 4 to 5m, and the vertical column distances which are arranged backwards in parallel at equal intervals on the basis of the left and right first vertical columns are 1.5 to 2m.
Preferably, in the second step, a drip irrigation tape is longitudinally laid on the seedling raising basin, when the strawberry seedlings are irrigated, the water supply amount is controlled to be 18% -19%, the time of an irrigation water source is optimal at 5-8 noon, and the strawberry seedlings are basically dry before the evening comes.
Preferably, in the third step, the climbing line needs to be sterilized before use, and the sterilization treatment mode is as follows: the climbing line to be used is prepared completely, cut into the same length by cutting, then put into an ultraviolet sterilizer uniformly, and sterilized for 20-30 minutes under the wavelength of 2-3 nanometers to obtain the sterilized climbing line.
Preferably, in the fourth step, after the strawberry seedlings grow for 7 to 15 days and germinate for 1 to 2 leaves, light is supplemented through a light supplementing lamp from 7 pm to 6 pm every day, the light supplementing duration period is 25 to 30 days, and the seedling raising time is 32 to 38 days.
Preferably, in step four, most strawberry seedling ' S stem leaf outwards extends to grow and can contact the climbing line, and the strawberry seedling of subtotal can random growth, and contactless climbing line to random growth ' S strawberry seedling stem leaf through the manual work with the stem leaf with S-shaped around on the climbing line that is close to bind the stem part position through the iron wire, iron wire length is 8 ~ 9 centimetres, thereby guide strawberry seedling ' S correct direction of growth.
Preferably, in the fifth step, in the temperature and humidity management period, the strawberry seedlings are sprayed with the carbendazim bactericide for 2-3 times every 10-13 days, and the strawberry seedlings are sterilized and mildewed.
The invention provides a three-dimensional suspension seedling raising method. The method has the following beneficial effects:
1. according to the method, the seedling raising range and the number of the strawberry seedlings are determined by building the seedling raising shed, the strawberry seedlings are placed in the seedling raising pots which take the culture soil as a container matrix, the climbing lines are sterilized and arranged, the growth directions of the strawberry seedlings are adjusted, and the temperature, the humidity, the ventilation degree and the irrigation water amount in the seedling raising shed are finally regulated and controlled, so that the strawberry seedlings are arranged orderly, the strawberry seedlings grow in a stable environment, the seedling rate of the strawberry seedlings is further improved, and the occurrence of soil-borne diseases of the traditional strawberry seedling raising is avoided.
2. According to the invention, when the seedling raising shed is built, the plurality of ventilation devices are arranged to rapidly ventilate the interior of the shed and are matched with the climbing lines for use, so that the problem that the strawberry seedlings hung at different heights are not regularly developed due to high upper temperature and low lower temperature in the whole seedling raising space is solved, the ventilation devices are started at intervals, the temperature uniformity of the whole space is facilitated, and the difference of rooting development of the strawberry seedlings hung at different heights is reduced.
3. According to the invention, by the three-dimensional suspension seedling raising method, the growth period of strawberry seedlings is increased by 1-1.5 months compared with the seedling growth period of conventional seedling raising, the quality of the strawberry seedlings and the survival rate of the seedlings are improved, the rooting rate can reach more than 90.0%, and the seedling rate can reach more than 85%.
Drawings
FIG. 1 is a schematic diagram of the planting density of strawberry seedlings according to the present invention;
FIG. 2 is a schematic diagram of the carbon dioxide concentration in the strawberry seedling raising shed according to the invention;
FIG. 3 is a schematic view showing the illumination intensity of the strawberry seedling cultivation shed of the present invention;
FIG. 4 is a schematic diagram showing the temperature change of the strawberry seedling cultivation shed according to the present invention;
fig. 5 is a schematic diagram of the humidity change of the strawberry seedling cultivation shed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a three-dimensional suspension seedling raising method, which comprises the following steps:
step one, building a seedling raising shed: firstly, burying a first upright post at the left side and the right side, then, burying 30-40 upright posts at equal intervals backwards in parallel by taking the first upright post at the left side and the right side as a reference, determining the width and the length of a single seedling raising shed, then, welding metal square pipes at the tops of the laid upright posts at the left side and the right side, after welding is completed, welding 30 parallel steel pipes at equal intervals at the inner sides of the metal square pipes to obtain a foundation shed part, then, welding 90 arc-shaped steel pipes at the tops of the metal square pipes, welding reinforcing steel pipes at the bottoms of every 3 arc-shaped steel pipes, welding the bottoms of the reinforcing steel pipes with the tops of the parallel steel pipes, welding 3 longitudinal long steel pipes at the bottoms of the parallel steel pipes, finally, laying a greenhouse film at the top, and arranging ventilation devices at the periphery and the top of the greenhouse to obtain the built single upright post seedling raising multi-span greenhouse shed;
step two, strawberry seedling raising and placing: putting strawberry seedlings into seedling pots with cultivation soil as a container matrix for cultivation, transferring the seedling pots to a greenhouse, carrying out compact longitudinal arrangement according to the orientation of 3 longitudinal long steel pipes, wherein the arranged seedling pots are all 2 rows, and the middle residual greenhouse space is an observation walking channel;
step three, climbing line arrangement: a through hole is formed in the upper part of the outer side of the seedling raising pot, one end of each climbing line is tied in the through hole of the seedling raising pot, the other end of each climbing line is tied on the longitudinal long steel pipe, the bound climbing lines are in a tight state, and the climbing lines of the 2 rows of seedling raising pots are staggered with each other, so that the arrangement of the climbing lines is completed;
step four, suspension growth: the strawberry seedlings grow for 7-15 days, stem and leaf parts develop and form, the stem and leaf parts grow and extend outwards due to growth habits of the seedlings, and after the seedlings contact with the tight climbing line, the seedlings are manually assisted to climb in a climbing type S-shaped climbing growth mode;
step five, temperature and humidity management: the greenhouse is heated by a boiler, and the humidity in the greenhouse is supplemented by a high-pressure spraying device arranged in the greenhouse, the temperature is controlled to be 26.5-27.5 ℃, the humidity is controlled to be 72-78%, and a ventilation device is started every 3-5 hours for continuous ventilation for 20-30 minutes.
Confirm the scope and the quantity of growing seedlings through setting up seedling raising shed, to growing seedlings and placing of strawberry seedling, arrange to the disinfecting of climbing line again, adjust the direction of growth of strawberry seedling at last, temperature, humidity, ventilation degree and irrigation water volume in the regulation and control seedling raising shed make strawberry seedling growth be in stable environment, and then improve strawberry seedling's seedling rate, and stopped traditional strawberry seedling raising soil-borne disease's emergence.
In the first step, the distance between the first left and right upright columns is 4-5 m, and the upright column distances which are backwards arranged in parallel at equal intervals by taking the first left and right upright columns as a reference are all 1.5-2 m.
And step two, longitudinally paving a drip irrigation tape on the seedling raising basin, controlling the water supply amount to be 18% -19% when the strawberry seedlings are irrigated, controlling the irrigation water source to be optimal at 7-8 o' clock in the morning, and ensuring that the strawberry seedlings are basically dry before the evening comes.
In the third step, the climbing line needs to be sterilized before use, and the sterilization treatment mode is as follows: the climbing line to be used is prepared completely, cut into the same length by cutting, then put into an ultraviolet sterilizer uniformly, and sterilized for 20-30 minutes under the wavelength of 2-3 nanometers to obtain the sterilized climbing line.
In the fourth step, after the strawberry seedlings grow for 7-15 days and germinate for 1-2 leaves, light is supplemented through a light supplement lamp from 7 pm to 6 pm every day, the light supplement duration period is 25-30 days, and the seedling raising time is 32-38 days.
In step four, the stem leaf of most strawberry seedling outwards extends the growth and can contact the climbing line, and the strawberry seedling of fractional part can irregularly grow, and contactless climbing line is through the manual work with the stem leaf with S-shaped around on the climbing line that is close to with the stem leaf to irregularly growing strawberry seedling stem leaf to bind the stem part position through the iron wire, iron wire length is 8 ~ 9 centimetres, thereby guide strawberry seedling' S correct growth direction.
In the fifth step, in the temperature and humidity management period, the strawberry seedlings are sprayed with the carbendazim bactericide for 2-3 times every 10-13 days, and the strawberry seedlings are sterilized and mildewed.
The difference of experiment contrast tradition is grown seedlings and is grown seedlings with the suspension type:
the first step is as follows: firstly, sequentially culturing a plurality of strawberry seedling samples in an experimental culture field and an experimental culture shed, and culturing comparison samples;
the second step: planting the experimental cultivation field in soil, then laying a sealing film, pricking hole sites, and filling soil blocks around the hole sites to complete the construction of a greenhouse environment; the other side of the experimental shed is built, a plurality of seedling pots which take the cultivation soil as a container matrix are uniformly distributed and placed, and climbing lines and drip irrigation heads are built;
the third step: carrying out regular watering irrigation on seedlings in an experimental cultivation field, wherein the illumination is changed according to local weather change, and recording the watering amount, the internal carbon dioxide content and the illumination time; the method comprises the steps of carrying out boiler heating on seedlings in an experimental shed periodically to increase the concentration of carbon dioxide in the shed and the content of carbon dioxide at each height in the shed is uniformly distributed, supplementing water and increasing the humidity in the shed through water-saving irrigation, periodically ventilating the shed by using a ventilation device, and recording the watering amount, the content of carbon dioxide in the interior, the illumination time and the ventilation amount;
the fourth step: observing the development condition and the growth state of strawberry seedlings in an experimental cultivation field and an experimental shed, recording, wherein the seedlings in the experimental cultivation field are in a sealed film, the inside of the film is irradiated by sunlight, the content of carbon dioxide in the film is high, although a greenhouse environment is formed, water drops are easily formed on the film, the influence of illumination on the growth of the strawberry seedlings is prevented, and then the ventilation effect is poor, so that the internal air cannot be replaced; the greenhouse in the experimental shed depends on sunlight in the daytime and is heated by a boiler at night, the temperature is kept constant, water sources are irrigated and ventilated at regular time through ventilation, and a good ventilation state is ensured;
the fifth step: the strawberry seedlings in the experimental cultivation field and the experimental shed grow to a certain period, stem leaves start to grow, the strawberry seedlings in the experimental cultivation field are observed, part of the strawberry seedlings grow vigorously, the other part of the strawberry seedlings grow badly, the stem leaves grow irregularly, other seedlings are easy to shield the growth of other seedlings, and the difference between the two poles is presented; then, the strawberry seedlings in the experimental shed are observed to grow vigorously, and due to the arrangement of the climbing lines, the stems and leaves have dependents, so that the stems and leaves grow in a following way, and the sunlight requirement for the growth of other seedlings cannot be shielded;
the fifth step: and (3) circularly and regularly carrying out the steps, observing the growth of the strawberry seedlings in the experimental cultivation field and the experimental shed, wherein the strawberry seedlings in the experimental cultivation field and the experimental shed grow into the cultivated seedlings at first 1.5-2 months, the seedlings in the experimental cultivation field grow vigorously at the early stage and are in a half-cultivation stage, the developed seedlings are not at the early stage, partial malnutrition and necrosis occur, and the period of 2.5-3 months is further passed, and partial seedlings are cultivated and formed.
Therefore, through the comparison of the environmental changes of the experiment, the following beneficial seedling raising effects can be achieved through a suspension type method: under good growth environment and ventilation environment conditions, the light absorption rate of a single strawberry seedling A is enhanced by changing the distribution of the planting density B (figure 1), sufficient sunlight is provided, the growth period of the seedling cultured in a suspension type mode is shortened by 1-1.5 months compared with the growth period of the seedling cultured in a conventional mode, a ventilation device is utilized to ventilate in the morning to reduce the oxygen of plants in the greenhouse in the evening, new carbon dioxide is supplemented, the maximum concentration is reached at noon every day (figure 2), the greenhouse environment of the greenhouse is improved, the illumination intensity is stabilized, the uniform temperature is kept (figure 3), the quality of the seedling and the survival rate of the seedling are improved, the temperature and humidity required by the strawberry seedling are kept in a balanced state, the rooting rate of the strawberry seedling can reach more than 90.0%, the seedling rate reaches more than 85% (figure 4; figure 5), compared with the traditional seedling culture, the number of seedlings cultured in unit area is improved by more than 4-6 times, the seedling is regularly arranged, the seedling growth is more regular, ventilation facilities, greenhouse materials and the operation is simple and convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A three-dimensional suspension seedling raising method is characterized in that: the method comprises the following steps:
step one, building a seedling raising shed: firstly, burying a first upright post at the left side and the right side, then, burying 30-40 upright posts at equal intervals backwards in parallel by taking the first upright post at the left side and the right side as a reference, determining the width and the length of a single seedling raising shed, then, welding metal square pipes at the tops of the laid upright posts at the left side and the right side, after welding is completed, welding 30 parallel steel pipes at equal intervals at the inner sides of the metal square pipes to obtain a foundation shed part, then, welding 90 arc-shaped steel pipes at the tops of the metal square pipes, welding reinforcing steel pipes at the bottoms of every 3 arc-shaped steel pipes, welding the bottoms of the reinforcing steel pipes with the tops of the parallel steel pipes, welding 3 longitudinal long steel pipes at the bottoms of the parallel steel pipes, finally, laying a greenhouse film at the top, and arranging ventilation devices at the periphery and the top of the greenhouse to obtain the built single upright post seedling raising multi-span greenhouse shed;
step two, strawberry seedling raising and placing: putting strawberry seedlings into seedling pots with cultivation soil as a container matrix for cultivation, transferring the seedling pots to a greenhouse, carrying out compact longitudinal arrangement according to the orientation of 3 longitudinal long steel pipes, wherein the arranged seedling pots are all 2 rows, and the middle residual greenhouse space is an observation walking channel;
step three, climbing line arrangement: a through hole is formed in the upper part of the outer side of the seedling raising pot, one end of each climbing line is tied in the through hole of the seedling raising pot, the other end of each climbing line is tied on the longitudinal long steel pipe, the bound climbing lines are in a tight state, and the climbing lines of the 2 rows of seedling raising pots are staggered with each other, so that the arrangement of the climbing lines is completed;
step four, suspension growth: the strawberry seedlings grow for 7-15 days, stem and leaf parts develop and form, the stem and leaf parts grow and extend outwards due to growth habits of the seedlings, and after the seedlings contact with the tight climbing line, the seedlings are manually assisted to climb in a climbing type S-shaped climbing growth mode;
step five, temperature and humidity management: the greenhouse is heated by a boiler, and the humidity in the greenhouse is supplemented by high-pressure spray arranged in the greenhouse, the temperature is controlled to be 26.5-27.5 ℃, the humidity is controlled to be 72-78%, and a ventilation device is started every 3-5 hours for continuous ventilation for 20-30 minutes.
2. The three-dimensional suspension seedling raising method according to claim 1, characterized in that: in the first step, the distance between the first left and right upright columns is 4-5 m, and the upright column distances which are backwards arranged in parallel at equal intervals by taking the first left and right upright columns as a reference are all 1.5-2 m.
3. The three-dimensional suspension seedling raising method according to claim 1, characterized in that: in the second step, drip irrigation tapes are longitudinally paved on the seedling culture pots, when the strawberry seedlings are irrigated, the water supply amount is controlled to be 18% -19%, the time of an irrigation water source is optimal at 5-8 o' clock of the morning, and the strawberry seedlings are basically dry before the evening comes.
4. The three-dimensional suspension seedling raising method according to claim 1, characterized in that: in the third step, the climbing line needs to be sterilized before use, and the sterilization treatment mode is as follows: the climbing line to be used is prepared completely, cut into the same length by cutting, then put into an ultraviolet sterilizer uniformly, and sterilized for 20-30 minutes under the wavelength of 2-3 nanometers to obtain the sterilized climbing line.
5. The three-dimensional suspension seedling raising method according to claim 1, characterized in that: in the fourth step, after the strawberry seedlings grow for 7-15 days and germinate for 1-2 leaves, light is supplemented through a light supplement lamp from 7 pm to 6 pm every day, the light supplement duration period is 25-30 days, and the seedling raising time is 32-38 days.
6. The three-dimensional suspension seedling raising method according to claim 1, characterized in that: in step four, the stem leaf of most strawberry seedling outwards extends the growth and can contact the climbing line, and the strawberry seedling of part can irregularly grow, and contactless climbing line is through the manual work with the stem leaf with S-shaped around on the climbing line that is close to with the stem leaf to irregularly growing strawberry seedling stem leaf to bind the stem part position through the iron wire, iron wire length is 8 ~ 9 centimetres, thereby guide strawberry seedling' S correct growth direction.
7. The three-dimensional hanging seedling raising method according to claim 1, characterized in that: in the fifth step, in the temperature and humidity management period, the strawberry seedlings are sprayed with the carbendazim bactericide for 2-3 times every 10-13 days, and the strawberry seedlings are sterilized and mildewed.
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