CN107173197A - A kind of ciltivating process of pakchoi - Google Patents
A kind of ciltivating process of pakchoi Download PDFInfo
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- CN107173197A CN107173197A CN201710441179.8A CN201710441179A CN107173197A CN 107173197 A CN107173197 A CN 107173197A CN 201710441179 A CN201710441179 A CN 201710441179A CN 107173197 A CN107173197 A CN 107173197A
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- nutrient solution
- pakchoi
- water
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- ciltivating process
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Classifications
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/08—Immunising seed
Abstract
The invention discloses a kind of ciltivating process of pakchoi, comprise the following steps：Seed treatment and vernalization；Sowing；Transplant；Management；And harvesting.The composition of wherein mill water culture nutrient solution is：The 50mL of tofu wastewater 30, the 20mL of tea seed cake water 10, the 30mL of molasses fermented liquid 20, the 250mg of ammonium nitrate 220, the 8mg of sodium molybdate 5, the 5mg of borax 3, the 5mg of calcium nitrate 3, the 10mg of ferrous sulfate 6, the 3mg of manganese sulfate 1, the 3mg of zinc sulfate 1 and the 3mg of copper sulphate 1 are added in every liter of swinery liquid dung；The pH values 5.8 6.5 of nutrient solution are adjusted with citric acid, the 2.5mS/cm of electrical conductivity 1.5, the 5mg/L of dissolved oxygen amount 4 is controlled.The present invention both takes full advantage of waste water resource, turns waste into wealth, organic, safe and pollution-free pakchoi has been harvested again, with higher promotional value.
Description
Technical field
The invention belongs to plant cultivation field, and in particular to a kind of ciltivating process of pakchoi.
Background technology
Pakchoi,Brassica campestris L. ssp. chinensis Makino (var. communis
Tsen et Lee), it is commonly called as green vegetables, also known as glue dish, savoy, wooden dipper white, rape, pakchoi etc., category Cruciferae Brassica genus.
Pakchoi is, containing one of vitamin and mineral most abundant vegetables, to ensure that the physiological requirements of body provide material conditions, to have
Help strengthen body immunity.In addition, containing a large amount of carrotene than beans, tomato, melon all many in pakchoi, and also
There is abundant vitamin C, into after human body, skin cell metabolism can be promoted, pachylosis and pigmentation is prevented, make skin bright
It is clean, anti-aging.
The pig industry of China is also progressively strided forward from tradition to modernization in recent years.According to statistics, Chinese Pigs in 2011
Be averaged breeding stock 4.68 hundred million, always the amount of delivering for sale 6.62 hundred million, the rate of animals delivered to the slaughter-house 141%.But with pig industry continuous expansion, due to
Waste water, the liquid dung brought of raising pigs is increasingly becoming " killer " of pollution environment.Swinery liquid dung smell is pungent, complicated component, output
Amount is big, easily attract killing propagation disease, according to analysis, and Pig raising wastewater contains the pollution such as organic matter, suspension, ammonia nitrogen of high concentration
Thing, therefore must the strong technique of selection anti impulsion load.Because modernized pig raising cost is higher, if carrying out dirt again to swinery liquid dung
Water process, will further increase pig cost, and this also turns into the potential safety hazard that China greatly develops pig industry, how effectively to locate
Reason, the bottleneck for utilizing swinery liquid dung to develop as restriction pig industry.
Water culture technique is to use modern biotechnology, with physics, chemistry, bioengineering means, to common plant
Thing, flowers are tamed.Traditional outdoor production vegetables are restricted by natural conditions completely, and Land Units area output is low, again
Cause land utilization ratio low because Vegetable is unable to continuous cropping, meet the usually underproduction reduction of income of bad weather and scorching summer and freezing winter, agricultural chemicals and
Heavy metal pollution can not also be avoided, and we are difficult " health " green vegetables for having real meaning.Water planting is organic pollution-free without public affairs
Evil vegetables use deep pond kickboard to be planted in water without soil, nutrition needed for supplying vegetables by nutrient solution, and vegetable root system is not
It is in contact with soil, using Intelligentized regulating and controlling temperature, light, water and carbon dioxide, sets isolation strip to prevent disease pest from invading, be avoided that soil
Earth continuous cropping obstacle, weather disaster and pest and disease damage, also heavy metal free pollution, without spraying insecticide, it is ensured that quality of vegetable is safe and clear
Clean health, can be with plucking with eating without washing, and can accomplish round-the-clock production, daily sowing and daily harvest.
Swinery liquid dung is difficult to effective processing as waste water, but contains the nutrients, Ke Yiti such as a large amount of N P and Ks in liquid dung
Supply plant uses, and using swinery liquid dung as the Effective medium of vegetable aquaculture, can not only solve the process problem of swinery liquid dung,
It can be turned waste into wealth with water planting organic vegetable, make full use of waste water resource, finally realize effective utilization of waste water resource, being can
In the good method of sustainable development.
The content of the invention
It is an object of the invention to provide a kind of ciltivating process of pakchoi, the waste water such as swinery liquid dung money can be effectively utilized
Source, as the water planting medium of pakchoi, turns waste into wealth, makes full use of waste water resource.The present invention is based on water culture technique, utilizes
Swinery liquid dung water planting pakchoi, can cultivate organic pakchoi polluted without agriculture chemical, both make use of the waste water of swinery liquid dung
Resource, has harvested organic vegetable again.
The technical proposal of the invention is realized in this way：
A kind of ciltivating process of pakchoi of the present invention, comprises the following steps：
（1）Seed treatment and vernalization：Pakchoi seed is cleaned with clear water, the removal of impurity and the surface of the seed pollutant, Ran Houfang is gone
Enter and 2-4h is soaked in seed-soaking liquid, 18-22 DEG C of temperature is controlled, until showing money or valuables one carries unintentionally to the long 2-4 cm of bud.
（2）Sowing：The seed showed money or valuables one carries unintentionally is seeded in equipped with rock wool and with the plastic cup of perlite, poured originally after emerging
Water, whne seedling length to two leaves wholeheartedly when prepare transplant.
（3）Transplant：By seedling replanting into the field planting disk equipped with mill water culture nutrient solution, seedling root is completely immersed in water planting battalion
Cultivated in nutrient solution；The water planting condition is controlled to be：Temperature：20-22 DEG C of daytime, 12-16 DEG C of night；Relative humidity：60-70%；
Intensity of illumination：5000-8000lux；Light application time：16-18h；Gas concentration lwevel：300-500ppm.
（4）Management：Any agricultural chemicals and foliar fertilizer are not sprayed in whole growth course, nutrient solution 5-7 days is more in field planting disk
Change once.
（5）Harvesting.
It is preferred that, step（3）The mill water culture nutrient solution is constituted：Added in every liter of swinery liquid dung tofu wastewater 30-50mL,
Tea seed cake water 10-20mL, molasses fermented liquid 20-30mL, ammonium nitrate 220-250mg, sodium molybdate 5-8mg, borax 3-5mg, calcium nitrate
3-5mg, ferrous sulfate 6-10mg, manganese sulfate 1-3mg, zinc sulfate 1-3mg and copper sulphate 1-3mg；Nutrient solution is adjusted with citric acid
PH value 5.8-6.5, electrical conductivity 1.5-2.5mS/cm, dissolved oxygen amount 4-5mg/L.The preparation method of mill water culture nutrient solution is as follows：
Swinery liquid dung, tofu wastewater, tea seed cake water and molasses fermented liquid are stirred into 15-20min in stirred tank is added, filtered through gauze is first used
Twice, finally with 100-200 mesh filter screen filtrations, filtered fluid enters reactor, is warming up to 85-95 DEG C, it is added while stirring
After his nutrient, 15min, stop stirring, constant temperature keeps 5-6h, lemon acid for adjusting pH is added after cooling to 5.8-6.5, point
Dress, is produced.
Wherein, tofu wastewater be mainly derived from soybean curd production process wash beans water, soaking bean water, screenings separation water, press filtration water,
Washings of production equipment etc., wherein Huang swill CODCr is about 20000-30000mg/L, soaking bean water CODCr is about 4000-
8000mg/L, in addition, tofu wastewater（And soybean wastewater）In contain substantial amounts of organic matter, including protein, fat and
The nutriments such as list, polysaccharide are utilized for plant.
Tea seed cake water, which is used in tealeaves or tea cake soaked rear remaining residue or waste water, tealeaves, contains Tea Saponin.Tea Saponin is made
For a kind of biological pesticide, with good pesticide-germicide bioactivity.As insecticide, various pests are respectively provided with certain anti-
Control effect and the mode of action is various.Wherein, have the effect of stomach toxicity and deterrent concurrently to cabbage caterpillar, have to cabbage butterfly low instar larvae
Certain lethal effect.As bactericide, once it is used to prevent and treat rice blast and the sheath and culm blight of rice as " soil pesticide ", with certain effect
Really.It is good to various fruits postharvest pathogens such as Penicillium italicum bacterium, citrus common green mold bacterium, citrus sour rot bacterium using Tea Saponin
Preventive and therapeutic effect.Tea seed cake water is used for the water planting of pakchoi by the present invention after treatment, during can preventing and treating Growth of Cabbage
The generation of pest and disease damage, any agricultural chemicals is not sprayed in the whole growth course of pakchoi, it is to avoid residues of pesticides are to the mankind and the danger of environment
Evil.
Molasses fermented liquid is the waste liquid after cane sugar manufacture, and it can be widely used for foliar fertilizer, liquid fertilizer, solid organic fertilizer
It is middle to be used as auxiliary material.According to analysis, contain sucrose 24-36%, other carbohydrate 12-24%, mineral matter 8-10%, thick egg in sugarcane zymotic fluid
White matter 3-6%, a small amount of soluble type colloid and moisture, in addition, also containing a large amount of members such as N P and K in cane molasses zymotic fluid
Element.Meanwhile, using the lone pair electrons on Sucrose in molasses with micro- metal ion complex reaction, shape occur for the present invention
Into stable complex compound, the trace element of complex state is more beneficial for plant absorption.So not only increase the profit of trace element
With rate, and it is not required in the nurturing period to spray foliar fertilizer.
To sum up, the polysaccharide molecule in tofu wastewater and molasses fermented liquid has stronger Complex effect to trace element, passes through
The complexing trace element that crop easily absorbs is formed after heating response.
Step（1）The seed-soaking liquid is molten for 0.05% potassium dihydrogen phosphate by the hydrogen peroxide of mass fraction 0.1% and mass fraction
Liquid in mass ratio 1:1 mixes.
Step（2）The weight ratio of the rock wool and perlite is 2:1.
The field planting disk is tried to get to the heart of a matter the aperture provided with controllable switch, and switch, nutrient solution are opened when changing mill water culture nutrient solution
Outflow；After closing, Additional nutrient solution.
The beneficial effects of the present invention are：
（1）The ciltivating process of pakchoi of the present invention, aquatic root system is grown by cultivation, easily survival, and maintenance is convenient；In sowing
It is preceding seed to be carried out disinfection and immersion treatment, the germination percentage and resistance against diseases of seed are effectively increased, transplanting survival rate is high.In training
Root does not occur rotten of anoxic, burns root phenomenon during supporting, and leaf is without jaundice, dehydration or wilting phenomenon.
（2）Using waste water such as swinery liquid dung, tofu wastewater, tea seed cake water and cane molasses zymotic fluids by way of water planting,
The environmental pollution that above direct discharging of waste water is brought is reduced, waste water is turned waste into wealth, the waste of water resource is reduced, it is fully real
The recycling of existing waste water, solves the problems, such as the whereabouts of waste water；Meanwhile, pass through suspension culture plant of the present invention, whole process
Without using fertilizer and pesticide, the pakchoi green safety of production is without chemical contamination.
（3）The ciltivating process of the present invention is simple and easy to apply, solves that the Growth of Cabbage time is long, and survival rate is low, disease easily occurs
Insect pest, the problems such as production cost is high realizes industrialization and quickly planted, and this method is simple and easy to do, controllability is good, management is convenient.
Embodiment
The preparation of the pakchoi mill water culture nutrient solution of embodiment 1
Formula composition 1：Swinery liquid dung 1L, tofu wastewater 30mL, tea seed cake water 20mL, molasses fermented liquid 30mL, ammonium nitrate 220mg,
Sodium molybdate 5mg, borax 3mg, calcium nitrate 5mg, ferrous sulfate 10mg, manganese sulfate 3mg, zinc sulfate 1mg and copper sulphate 3mg.
Formula composition 2：Swinery liquid dung 1L, tofu wastewater 50mL, tea seed cake water 10mL, molasses fermented liquid 20mL, ammonium nitrate
250mg, sodium molybdate 8mg, borax 5mg, calcium nitrate 3mg, ferrous sulfate 6mg, manganese sulfate 1mg, zinc sulfate 3mg and copper sulphate 1mg.
Formula composition 3：Swinery liquid dung 1L, tofu wastewater 40mL, tea seed cake water 15mL, molasses fermented liquid 25mL, ammonium nitrate
230mg, sodium molybdate 6mg, borax 4mg, calcium nitrate 4mg, ferrous sulfate 8mg, manganese sulfate 2mg, zinc sulfate 2mg and copper sulphate 2mg.
The preparation method of mill water culture nutrient solution is as follows：
（1）Swinery liquid dung, tofu wastewater, tea seed cake water and molasses fermented liquid are stirred into 15-20min in stirred tank is added, first used
Filtered through gauze twice, finally with 100-200 mesh filter screen filtrations.
（2）Filtered fluid enters reactor, is warming up to 85-95 DEG C, adds after other nutrients, 15min, stops while stirring
Only stir, constant temperature keeps 5-6h.
（3）Lemon acid for adjusting pH is added after cooling to 5.8-6.5, Con trolling index：Electrical conductivity 1.5-2.5mS/cm, dissolved oxygen
Measure 4-5mg/L.
（4）Packing, is produced.
The pakchoi ciltivating process 1 of embodiment 2
Choose Spring cabbage and be used as water planting object.The water planting time：On May 1st, 2014.
（1）Seed treatment and vernalization：Spring cabbage seed is cleaned with clear water, the removal of impurity and the surface of the seed pollutant is gone, so
After be put into seed-soaking liquid and soak 2h, 18 DEG C of temperature is controlled, until showing money or valuables one carries unintentionally to the cm of bud length 2；Seed-soaking liquid is by the dioxygen of mass fraction 0.1%
Water and the potassium dihydrogen phosphate in mass ratio 1 that mass fraction is 0.05%:1 mixes.
（2）Sowing：By the seed showed money or valuables one carries unintentionally be seeded in equipped with rock wool and with the plastic cup of perlite, rock wool and perlite
Weight ratio is 2:1, pour running water after emerging, whne seedling length to two leaves wholeheartedly when prepare transplant.
（3）Transplant：By seedling replanting to being equipped with the field planting disk for the mill water culture nutrient solution that embodiment 1 is prepared, by seedling root
It is completely immersed in mill water culture nutrient solution and is cultivated；The water planting condition is controlled to be：Temperature：20-22 DEG C of daytime, 14-16 DEG C of night；Phase
To humidity：60%；Intensity of illumination：5000lux；Light application time：16h；Gas concentration lwevel：300ppm.
（4）Management：Any agricultural chemicals and foliar fertilizer are not sprayed in whole growth course, nutrient solution 5-7 days is more in field planting disk
Change once, when changing nutrient solution, open the aperture switch below field planting disk, allow it to flow naturally only, be then shut off switch, supplement is new
Nutrient solution.
（5）Harvesting.According to statistics, Spring cabbage water planting survival rate 98.9%, the long 9.45cm of average root, average every pakchoi weight
For 0.75kg.Leaf color is bud green, and blade is without small holes caused by worms.In incubation root do not occur rotten of anoxic, burn root phenomenon, and leaf without
Jaundice, dehydration or wilting phenomenon.During water planting, root disease and leaf diseases do not occur.
The pakchoi ciltivating process 2 of embodiment 3
Choose Summer cabbage and be used as water planting object.The water planting time：On November 25th, 2014.
（1）Seed treatment and vernalization：Summer cabbage seed is cleaned with clear water, the removal of impurity and the surface of the seed pollutant is gone, so
After be put into seed-soaking liquid and soak 4h, 22 DEG C of temperature is controlled, until showing money or valuables one carries unintentionally to the cm of bud length 4；Seed-soaking liquid is by the dioxygen of mass fraction 0.1%
Water and the potassium dihydrogen phosphate in mass ratio 1 that mass fraction is 0.05%:1 mixes.
（2）Sowing：By the seed showed money or valuables one carries unintentionally be seeded in equipped with rock wool and with the plastic cup of perlite, rock wool and perlite
Weight ratio is 2:1, pour running water after emerging, whne seedling length to two leaves wholeheartedly when prepare transplant.
（3）Transplant：By seedling replanting to being equipped with the field planting disk for the mill water culture nutrient solution that embodiment 1 is prepared, by seedling root
It is completely immersed in mill water culture nutrient solution and is cultivated；The water planting condition is controlled to be：Temperature：20-22 DEG C of daytime, 12-15 DEG C of night；Phase
To humidity：70%；Intensity of illumination：6000lux；Light application time：17h；Gas concentration lwevel：400ppm.
（4）Management：Any agricultural chemicals and foliar fertilizer are not sprayed in whole growth course, nutrient solution 5-7 days is more in field planting disk
Change once, when changing nutrient solution, open the aperture switch below field planting disk, allow it to flow naturally only, be then shut off switch, supplement is new
Nutrient solution.
（5）Harvesting.According to statistics, Summer cabbage water planting survival rate 99.5%, the long 8.15cm of average root, average every baby cabbage weight
For 1.20kg.Leaf color is vivid, and blade is without small holes caused by worms.In incubation root do not occur rotten of anoxic, burn root phenomenon, and leaf without
Jaundice, dehydration or wilting phenomenon.During water planting, root disease and leaf diseases do not occur.
The pakchoi ciltivating process 3 of embodiment 4
Choose autumn and winter Chinese cabbage and be used as water planting object.The water planting time：On 2 2nd, 2015.
（1）Seed treatment and vernalization：Autumn and winter Chinese cabbage seed is cleaned with clear water, the removal of impurity and the surface of the seed pollutant is gone,
It is then placed in seed-soaking liquid and soaks 3h, 19 DEG C of temperature is controlled, until showing money or valuables one carries unintentionally to the cm of bud length 3；Seed-soaking liquid is by mass fraction 0.1% pair
Oxygen water and the potassium dihydrogen phosphate in mass ratio 1 that mass fraction is 0.05%:1 mixes.
（2）Sowing：By the seed showed money or valuables one carries unintentionally be seeded in equipped with rock wool and with the plastic cup of perlite, rock wool and perlite
Weight ratio is 2:1, pour running water after emerging, whne seedling length to two leaves wholeheartedly when prepare transplant.
（3）Transplant：In the field planting disk for the mill water culture nutrient solution that seedling replanting is extremely prepared equipped with embodiment 1, by seedling root
It is completely immersed in mill water culture nutrient solution and is cultivated；The water planting condition is controlled to be：Temperature：20-22 DEG C of daytime, 14-16 DEG C of night；Phase
To humidity：65%；Intensity of illumination：8000lux；Light application time：18h；Gas concentration lwevel：500ppm.
（4）Management：Any agricultural chemicals and foliar fertilizer are not sprayed in whole growth course, nutrient solution 5-7 days is more in field planting disk
Change once, when changing nutrient solution, open the aperture switch below field planting disk, allow it to flow naturally only, be then shut off switch, supplement is new
Nutrient solution.
（5）Harvesting.According to statistics, autumn and winter Chinese cabbage water planting success rate 99.9%, the long 10.66cm of average root, average every pakchoi
Weight is 0.79kg.Leaf color is bud green, and blade is without small holes caused by worms.Root does not occur rotten of anoxic, burns root phenomenon in incubation, and leaf
Without jaundice, dehydration or wilting phenomenon.During water planting, root disease and leaf diseases do not occur.
Claims (6)
1. a kind of ciltivating process of pakchoi, it is characterised in that：Comprise the following steps：
（1）Seed treatment and vernalization：Pakchoi seed is cleaned with clear water, the removal of impurity and the surface of the seed pollutant, Ran Houfang is gone
Enter and 2-4h is soaked in seed-soaking liquid, 18-22 DEG C of temperature is controlled, until showing money or valuables one carries unintentionally to the long 2-4 cm of bud；
（2）Sowing：The seed showed money or valuables one carries unintentionally is seeded in the plastic cup equipped with rock wool and perlite, running water is poured after emerging, treats seedling
It is long to two leaves wholeheartedly when prepare to transplant；
（3）Transplant：By seedling replanting into the field planting disk equipped with mill water culture nutrient solution, seedling root is completely immersed in mill water culture nutrient solution
It is middle to be cultivated；The water planting condition is controlled to be：Temperature：20-22 DEG C of daytime, 12-16 DEG C of night；Relative humidity：60-70%；Illumination
Intensity：5000-8000lux；Light application time：16-18h；Gas concentration lwevel：300-500ppm；
（4）Management：Do not spray nutrient solution in any agricultural chemicals and foliar fertilizer, field planting disk in whole growth course and change one in 5-7 days
It is secondary；
（5）Harvesting.
2. the ciltivating process of pakchoi according to claim 1, it is characterised in that：Step（3）The mill water culture nutrient solution composition
For：Tofu wastewater 30-50mL, tea seed cake water 10-20mL, molasses fermented liquid 20-30mL, ammonium nitrate are added in every liter of swinery liquid dung
220-250mg, sodium molybdate 5-8mg, borax 3-5mg, calcium nitrate 3-5mg, ferrous sulfate 6-10mg, manganese sulfate 1-3mg, zinc sulfate
1-3mg and copper sulphate 1-3mg；The pH value 5.8-6.5 of nutrient solution are adjusted with citric acid, and control electrical conductivity 1.5-2.5mS/
Cm, dissolved oxygen amount 4-5mg/L.
3. the ciltivating process of pakchoi according to claim 1, it is characterised in that：The preparation method of the mill water culture nutrient solution is such as
Under：Swinery liquid dung, tofu wastewater, tea seed cake water and molasses fermented liquid are added in stirred tank and stir 15-20min, gauze mistake is first used
Twice, then with 100-200 mesh filter screen filtrations, filtered fluid enters reactor, is warming up to 85-95 DEG C, it is added while stirring for filter
After its nutrient, 15min, stop stirring, constant temperature keeps 5-6h, lemon acid for adjusting pH is added after cooling to 5.8-6.5, point
Dress, is produced.
4. the ciltivating process of pakchoi according to claim 1, it is characterised in that：Step（1）The seed-soaking liquid is by quality point
Several 0.1% hydrogen peroxide and mass fraction are 0.05% potassium dihydrogen phosphate in mass ratio 1:1 mixes.
5. the ciltivating process of pakchoi according to claim 1, it is characterised in that：Step（2）The rock wool and perlite
Weight ratio is 2:1.
6. the ciltivating process of pakchoi according to claim 1, it is characterised in that：The field planting disk is tried to get to the heart of a matter to be opened provided with controllable
The aperture of pass, switch, nutrient solution outflow are opened when changing mill water culture nutrient solution；After closing, Additional nutrient solution.
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| CN109287405A (en) * | 2018-11-28 | 2019-02-01 | 湖南省邵阳市拥思农副产品销售有限公司 | A kind of implantation methods of purple Chinese cabbage |
| CN109566377A (en) * | 2019-01-15 | 2019-04-05 | 北京京东方能源科技有限公司 | A kind of water planting cultural method |
| CN109757348A (en) * | 2019-02-26 | 2019-05-17 | 河北农业大学 | A method of the nursery of campanulaceae water planting is carried out with plant factor |
| CN110036896A (en) * | 2019-04-25 | 2019-07-23 | 温州大学 | A kind of method of the continuous LED light soilless cultivation of green stem vegetable in artificial climate room |
| CN112314420A (en) * | 2020-11-09 | 2021-02-05 | 湖北省农业科学院经济作物研究所 | Chinese cabbage water culture method and nutrient solution thereof |
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Application publication date: 20170919 |