CN108967286B - Method for polyculture of lobsters in rice planting period - Google Patents
Method for polyculture of lobsters in rice planting period Download PDFInfo
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- CN108967286B CN108967286B CN201811057390.0A CN201811057390A CN108967286B CN 108967286 B CN108967286 B CN 108967286B CN 201811057390 A CN201811057390 A CN 201811057390A CN 108967286 B CN108967286 B CN 108967286B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
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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
- A01G22/20—Cereals
- A01G22/22—Rice
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- 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
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a method for polyculture of lobsters in a rice planting period, which comprises the following steps: ploughing the land 4-10 days before rice transplanting, applying compound slow release fertilizer, ploughing uniformly into soil, and throwing a shelter at the bottom of a paddy field pool for the lobsters to hide and inhabit; transplanting rice seedlings; when the rice grows to the tillering stage, putting shrimp larvae, applying quicklime before putting the shrimp larvae, and putting 3-4cm long shrimp larvae; 3-6 days after the shrimp seedlings are put and cultured, feeding lobster feed into the pond after the shrimp seedlings are put and cultured; and (4) managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps exuviate, fishing the grown shrimps, and harvesting rice. The compound slow release fertilizer is prepared by the following process: mixing and stacking pig manure, sawdust, corn straws and tea seed meal, adding EM microbial inoculum for fermentation, adding ammonium chloride, triple superphosphate, potassium nitrate, microcrystalline cellulose, biogas residue and sepiolite powder, uniformly mixing, adding a composite adsorbent, uniformly mixing, granulating and drying to obtain the composite slow-release fertilizer.
Description
Technical Field
The invention relates to the technical field of mixed culture of rice and shrimps, in particular to a method for mixed culture of lobsters in a rice planting period.
Background
Crayfish, belonging to the family of crayfish, the genus procambarus, is native to the northern part of mexico and the southern part of the united states. The shrimp is introduced into China from Japan in 1929, becomes an important resource in freshwater shrimps in China, and is widely distributed in middle and lower reaches of Yangtze river and river basin. In 2014, the crayfish breeding area in China exceeds 800 ten thousand acres, the breeding yield is about 66 ten thousand tons, and the total breeding value reaches 158.6 million yuan. The crayfish industry forms relatively mature industrial chain links of 'fry breeding-healthy culture-processing, catering, media, culture-sales logistics' and the like, customers consume fire and heat on crayfish, especially crayfish with delicious meat and high quality, consumption of first-line and second-line cities is increased, and crayfish heat gradually wraps partial three-line cities.
At present, crayfish breeding modes mainly comprise modes such as pond breeding and paddy field breeding, and although the breeding area is large, the total output of existing crayfish breeding cannot meet the national crayfish market demand. The rice field breeding contribution is the largest in the yield of the crayfishes. In a rice field cultivation mode, chemical fertilizers are applied to a rice field regularly to supply rice to grow, so that the growth of crayfishes is influenced, and the yield of the rice is obviously reduced if the chemical fertilizers are not applied, so that the problem needs to be solved urgently.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the method for mixed culture of the lobsters in the rice planting period, the rice and the lobsters are mixed and stored, rice field resources are reasonably utilized, the space for culturing the lobsters is reduced, the excrement of the lobsters can be effectively utilized as the fertilizer for the rice, the method is green and environment-friendly, the cost is reduced, meanwhile, the crayfishes can loosen the soil and remove pests for the rice, the rice can purify the culture water, inhabitation and hidden places are provided for the crayfishes, a good growing environment is created for the crayfishes, and the quality of the crayfishes is improved.
The invention provides a method for polyculture of lobsters in a rice planting period, which comprises the following steps:
s1, ploughing the land 4-10 days before rice transplanting, applying compound slow release fertilizer, ploughing uniformly into soil, and throwing a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings;
s3, when the rice grows to the tillering stage, putting the young shrimps, applying quicklime before putting the young shrimps, and putting the young shrimps with the length of 3-4 cm;
s4, feeding lobster feed into the stocking pond 3-6 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
Preferably, in S1, the application amount of the composite slow release fertilizer is 120-180kg/667m2。
Preferably, in S1, the compound slow release fertilizer is prepared by the following process: mixing and stacking pig manure, sawdust, corn straws and tea seed meal, adding EM microbial inoculum for fermentation, adding ammonium chloride, triple superphosphate, potassium nitrate, microcrystalline cellulose, biogas residue and sepiolite powder, uniformly mixing, adding a composite adsorbent, uniformly mixing, granulating and drying to obtain the composite slow-release fertilizer.
Preferably, EM microbial inoculum is added into the preparation process of the S1 compound slow release fertilizer for fermentation for 3-6 days.
Preferably, in the preparation process of the S1 composite slow-release fertilizer, the weight ratio of pig manure, wood dust, corn straw, tea seed meal, EM microbial inoculum, ammonium chloride, triple superphosphate, potassium nitrate, microcrystalline cellulose, biogas residue, sepiolite powder and composite adsorbent is 42-50: 4-12: 10-18: 2-6: 0.1-0.16: 32-45: 24-30: 15-25: 1-4: 1-3: 1-2: 1-3.
Preferably, in the preparation process of the S1 composite slow-release fertilizer, the composite adsorbent is prepared by adopting the following process: mixing oxidized polyethylene wax, sodium metabisulfite and deionized water, introducing nitrogen gas into the mixture in a sealed state to increase the pressure, heating and stirring the mixture, cooling the mixture to room temperature, adding liquid paraffin, petroleum ether and tween-80, and uniformly mixing the mixture to obtain a premix; dissolving polylactic acid in glacial acetic acid, adding chitosan, stirring, adding zeolite powder, performing ultrasonic treatment, dropwise adding into the stirred premix, continuously stirring after completely dropwise adding, washing, and drying to obtain the composite adsorbent.
Preferably, in the preparation process of the composite adsorbent, nitrogen is introduced into the composite adsorbent in a sealed state, the pressure is increased to 10-10.8MPa, the temperature is increased to 185 ℃, the mixture is stirred for 2-3h, and the temperature is reduced to room temperature.
Preferably, in the preparation process of the composite adsorbent, chitosan is added and stirred for 5-12min at the stirring temperature of 60-70 ℃, zeolite powder is added, and ultrasonic treatment is carried out for 15-35 min.
Preferably, in the preparation process of the composite adsorbent, the weight ratio of oxidized polyethylene wax, sodium metabisulfite, deionized water, liquid paraffin, petroleum ether, tween 80, polylactic acid, glacial acetic acid, chitosan and zeolite powder is 3-9: 0.1-0.16: 35-45: 20-30: 4-12: 1-5: 20-40: 120-200: 0.5-1: 2-4.
Preferably, in S3, the quicklime application amount is 430-500kg/667m2The shrimp larvae are put in the amount of 2400-2。
The crayfish breeding method has the advantages that the rice and the crayfish are mixed and cultured, the rice field resource is reasonably utilized, the space for breeding the crayfish is reduced, the crayfish excrement can be effectively utilized as the fertilizer for the rice, the environment is protected, the cost is reduced, meanwhile, the crayfish can loosen the soil and remove insect pests for the rice, the rice can purify the breeding water, a resting and hidden place is provided for the crayfish, a good growing environment is created for the crayfish, and the crayfish quality is improved.
In the composite adsorbent, oxidized polyethylene wax is emulsified at high temperature and high pressure to promote the formation of a microsphere structure with smooth surface, good dispersibility and uniform size, and polylactic acid is dissolved in glacial acetic acid, compounded with chitosan and zeolite powder and coated in the microsphere, so that the composite adsorbent has good dispersion effect, can improve the acidity during the degradation of the polylactic acid and has excellent adsorption performance; in the compound slow release fertilizer, the compound adsorbent is compounded with the microcrystalline cellulose, the biogas residue and the sepiolite powder, so that the soil fertility can be improved, the soil structure can be improved, the slow release effect is good, the fertilizer efficiency is long, the cost is saved, the adsorption capacity is good, ammonium ions and nitrate ions generated in the fermentation process can be effectively adsorbed, the loss of nitrogen elements is reduced, the problems of loss of nitrogen nutrients in pig manure and pollution to the water environment are solved, and the compound slow release fertilizer has a good improvement effect on soil.
The proportion of the high-quality crayfish obtained by the invention is improved by more than 10% compared with the mode of separately breeding crayfish, the produced rice and crayfish have high quality, belong to pollution-free green products, and the economic benefit is increased by more than 1500 yuan per mu.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
A method for polyculture of lobsters in a rice planting period comprises the following steps:
s1, ploughing the land 4 days before transplanting rice seedlings, and applying 180kg/667m2Compounding slow release fertilizer, uniformly ploughing, turning into soil, and putting a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings, wherein the row spacing is 20-25cm, and the plant spacing is 12-16 cm;
s3, when the rice grows to tillering stage, putting the young shrimps, and applying 430kg/667m before putting the young shrimps2Adding calx, putting 3-4cm long shrimp seed 2800/667 m2；
S4, feeding lobster feed into the stocking pond 3 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
The compound slow release fertilizer is prepared by the following process: 42kg of pig manure, 12kg of wood chips, 10kg of corn straws and 6kg of tea seed meal are mixed and stacked, 0.1kg of EM microbial inoculum is added for fermentation for 6 days, 32kg of ammonium chloride, 30kg of heavy calcium superphosphate, 15kg of potassium nitrate, 4kg of microcrystalline cellulose, 1kg of biogas residue and 2kg of sepiolite powder are added and uniformly mixed, 1kg of composite adsorbent is added and uniformly mixed, and the composite slow-release fertilizer is obtained through granulation and drying.
The composite adsorbent is prepared by adopting the following process: mixing 9kg of oxidized polyethylene wax, 0.1kg of sodium metabisulfite and 45kg of deionized water, introducing nitrogen into the mixture in a sealed state, boosting the pressure to 10MPa, heating to 185 ℃, stirring for 2 hours, cooling to room temperature, adding 30kg of liquid paraffin, 4kg of petroleum ether and 5kg of tween-80, and uniformly mixing to obtain a premix; dissolving 20kg of polylactic acid in 200kg of glacial acetic acid, adding 0.5kg of chitosan, stirring for 12min at the stirring temperature of 60 ℃, adding 4kg of zeolite powder, carrying out ultrasonic treatment for 15min, dropwise adding the mixture into the stirred premix, continuously stirring for 4h after complete dropwise addition, washing, and drying to obtain the composite adsorbent.
Example 2
A method for polyculture of lobsters in a rice planting period comprises the following steps:
s1, ploughing the land 10 days before transplanting rice seedlings, and applying 120kg/667m2Compounding slow release fertilizer, uniformly ploughing, turning into soil, and putting a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings, wherein the row spacing is 20-25cm, and the plant spacing is 12-16 cm;
s3, when the rice grows to tillering stage, putting the young shrimps, and applying 500kg/667m before putting the young shrimps2Adding quicklime into 3-4cm shrimp larvae 2400 tails/667 m2；
S4, feeding lobster feed into the stocking pond 6 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
The compound slow release fertilizer is prepared by the following process: 50kg of pig manure, 4kg of wood chips, 18kg of corn straws and 2kg of tea seed meal are mixed and stacked, 0.16kg of EM microbial inoculum is added for fermentation for 3 days, 45kg of ammonium chloride, 24kg of heavy calcium superphosphate, 25kg of potassium nitrate, 1kg of microcrystalline cellulose, 3kg of biogas residues and 1kg of sepiolite powder are added and uniformly mixed, 3kg of composite adsorbent is added and uniformly mixed, and the composite slow-release fertilizer is obtained through granulation and drying.
The composite adsorbent is prepared by adopting the following process: mixing 3kg of oxidized polyethylene wax, 0.16kg of sodium metabisulfite and 35kg of deionized water, introducing nitrogen into the mixture in a sealed state, boosting the pressure to 10.8MPa, heating to 170 ℃, stirring for 3 hours, cooling to room temperature, adding 20kg of liquid paraffin, 12kg of petroleum ether and 1kg of tween-80, and uniformly mixing to obtain a premix; dissolving 40kg of polylactic acid in 120kg of glacial acetic acid, adding 1kg of chitosan, stirring for 5min at the stirring temperature of 70 ℃, adding 2kg of zeolite powder, carrying out ultrasonic treatment for 35min, dropwise adding the mixture into the stirred premix, continuously stirring for 2h after complete dropwise addition, washing, and drying to obtain the composite adsorbent.
Example 3
A method for polyculture of lobsters in a rice planting period comprises the following steps:
s1, ploughing the land 6 days before transplanting rice seedlings, and applying 160kg/667m2Compounding slow release fertilizer, uniformly ploughing, turning into soil, and putting a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings, wherein the row spacing is 20-25cm, and the plant spacing is 12-16 cm;
s3, when the rice grows to tillering stage, putting the young shrimps, and applying 450kg/667m before putting the young shrimps2Adding quicklime into 3-4cm shrimp larvae 2700/667 m2；
S4, feeding lobster feed into the stocking pond 4 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
The compound slow release fertilizer is prepared by the following process: 48kg of pig manure, 6kg of wood chips, 16kg of corn straws and 3kg of tea seed meal are mixed and stacked, 0.14kg of EM microbial inoculum is added for fermentation for 4 days, 40kg of ammonium chloride, 24kg of heavy calcium superphosphate, 22kg of potassium nitrate, 2kg of microcrystalline cellulose, 2.5kg of biogas residues and 1.3kg of sepiolite powder are added and uniformly mixed, 2.5kg of composite adsorbent is added and uniformly mixed, and the composite slow-release fertilizer is prepared by granulation and drying.
The composite adsorbent is prepared by adopting the following process: mixing 5kg of oxidized polyethylene wax, 0.14kg of sodium metabisulfite and 38kg of deionized water, introducing nitrogen into the mixture in a sealed state, increasing the pressure to 10.6MPa, heating to 175 ℃, stirring for 2.8 hours, cooling to room temperature, adding 22kg of liquid paraffin, 10kg of petroleum ether and 2kg of tween-80, and uniformly mixing to obtain a premix; dissolving 35kg of polylactic acid in 140kg of glacial acetic acid, adding 0.8kg of chitosan, stirring for 8min at the stirring temperature of 66 ℃, adding 2.5kg of zeolite powder, carrying out ultrasonic treatment for 30min, dropwise adding the mixture into the stirred premix, continuously stirring for 2.5h after complete dropwise addition, washing, and drying to obtain the composite adsorbent.
Example 4
A method for polyculture of lobsters in a rice planting period comprises the following steps:
s1, ploughing the land 8 days before transplanting rice seedlings, and applying 140kg/667m2Compounding slow release fertilizer, uniformly ploughing, turning into soil, and putting a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings, wherein the row spacing is 20-25cm, and the plant spacing is 12-16 cm;
s3, when the rice grows to tillering stage, putting the young shrimps, and applying 470kg/667m before putting the young shrimps2Adding quicklime, adding 3-4cm shrimp larvae 2500 tails/667 m2；
S4, feeding lobster feed into the stocking pond 5 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
The compound slow release fertilizer is prepared by the following process: mixing and stacking 44kg of pig manure, 10kg of wood chips, 12kg of corn straws and 5kg of tea seed meal, adding 0.12kg of EM microbial inoculum for fermenting for 5 days, adding 36kg of ammonium chloride, 26kg of heavy calcium superphosphate, 18kg of potassium nitrate, 3kg of microcrystalline cellulose, 1.5kg of biogas residue and 1.7kg of sepiolite powder, uniformly mixing, adding 1.5kg of composite adsorbent, uniformly mixing, granulating and drying to obtain the composite slow-release fertilizer.
The composite adsorbent is prepared by adopting the following process: mixing 7kg of oxidized polyethylene wax, 0.12kg of sodium metabisulfite and 42kg of deionized water, introducing nitrogen into the mixture in a sealed state, boosting the pressure to 10.2MPa, heating to 180 ℃, stirring for 2.2 hours, cooling to room temperature, adding 28kg of liquid paraffin, 6kg of petroleum ether and 4kg of tween-80, and uniformly mixing to obtain a premix; dissolving 25kg of polylactic acid in 180kg of glacial acetic acid, adding 0.6kg of chitosan, stirring for 10min at the stirring temperature of 64 ℃, adding 3.5kg of zeolite powder, carrying out ultrasonic treatment for 20min, dropwise adding the mixture into the stirred premix, continuously stirring for 3.5h after complete dropwise addition, washing, and drying to obtain the composite adsorbent.
Example 5
A method for polyculture of lobsters in a rice planting period comprises the following steps:
s1, ploughing the land 7 days before transplanting rice seedlings, and applying 150kg/667m2Compounding slow release fertilizer, uniformly ploughing, turning into soil, and putting a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings, wherein the row spacing is 20-25cm, and the plant spacing is 12-16 cm;
s3, when the rice grows to tillering stage, putting the young shrimps, and applying 460kg/667m before putting the young shrimps2Adding 3-4cm of quicklime, 2600 tails of shrimp larvae per 667m2；
S4, feeding lobster feed into the stocking pond 4 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps are unshelled, fishing the grown shrimps, and harvesting rice.
The compound slow release fertilizer is prepared by the following process: mixing and stacking 46kg of pig manure, 8kg of wood chips, 14kg of corn straws and 4kg of tea seed meal, adding 0.13kg of EM microbial inoculum for fermenting for 4.5 days, adding 38kg of ammonium chloride, 25kg of heavy calcium superphosphate, 20kg of potassium nitrate, 2.5kg of microcrystalline cellulose, 2kg of biogas residue and 1.5kg of sepiolite powder, uniformly mixing, adding 2kg of composite adsorbent, uniformly mixing, granulating and drying to obtain the composite slow-release fertilizer.
The composite adsorbent is prepared by adopting the following process: mixing 6kg of oxidized polyethylene wax, 0.13kg of sodium metabisulfite and 40kg of deionized water, introducing nitrogen into the mixture in a sealed state, boosting the pressure to 10.4MPa, heating to 178 ℃, stirring for 2.5 hours, cooling to room temperature, adding 25kg of liquid paraffin, 8kg of petroleum ether and 3kg of tween-80, and uniformly mixing to obtain a premix; dissolving 30kg of polylactic acid in 160kg of glacial acetic acid, adding 0.7kg of chitosan, stirring for 9min at the stirring temperature of 65 ℃, adding 3kg of zeolite powder, carrying out ultrasonic treatment for 25min, dropwise adding the mixture into the stirred premix, continuously stirring for 3h after complete dropwise addition, washing, and drying to obtain the composite adsorbent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A method for polyculture of lobsters in a rice planting period is characterized by comprising the following steps:
s1, ploughing the land 4-10 days before rice transplanting, applying compound slow release fertilizer, ploughing uniformly into soil, and throwing a shelter at the bottom of the paddy field pool for the lobsters to hide and inhabit;
s2, transplanting rice seedlings;
s3, when the rice grows to the tillering stage, putting the young shrimps, applying quicklime before putting the young shrimps, and putting the young shrimps with the length of 3-4 cm;
s4, feeding lobster feed into the stocking pond 3-6 days after stocking the shrimp fries;
s5, managing water quality, performing flood prevention and escape prevention, feeding animal feed after the shrimps exuviate, fishing the grown shrimps, and harvesting rice;
in S1, the compound slow release fertilizer is prepared by the following process: mixing and stacking pig manure, sawdust, corn straws and tea seed meal, adding EM microbial inoculum for fermentation, adding ammonium chloride, triple superphosphate, potassium nitrate, microcrystalline cellulose, biogas residue and sepiolite powder, uniformly mixing, adding a composite adsorbent, uniformly mixing, granulating and drying to obtain the composite slow-release fertilizer;
in the preparation process of the S1 composite slow release fertilizer, the composite adsorbent is prepared by adopting the following process: mixing oxidized polyethylene wax, sodium metabisulfite and deionized water, introducing nitrogen gas into the mixture in a sealed state to increase the pressure, heating and stirring the mixture, cooling the mixture to room temperature, adding liquid paraffin, petroleum ether and tween-80, and uniformly mixing the mixture to obtain a premix; dissolving polylactic acid in glacial acetic acid, adding chitosan, stirring, adding zeolite powder, performing ultrasonic treatment, dropwise adding into the stirred premix, continuously stirring after completely dropwise adding, washing, and drying to obtain the composite adsorbent.
2. The method for mixed culture of lobsters during rice planting as claimed in claim 1, wherein in S1, the application amount of the compound slow release fertilizer is 120-180kg/667m2。
3. The method for mixed culture of the lobsters in the rice planting season as claimed in claim 1, wherein EM microbial inoculum is added in the preparation process of the compound slow release fertilizer of S1 for fermentation for 3-6 days.
4. The method for mixed culture of the lobsters in the rice planting period as claimed in claim 1, wherein in the preparation process of the compound slow-release fertilizer of S1, the weight ratio of pig manure, wood chips, corn stalks, tea seed meal, EM fungicide, ammonium chloride, triple superphosphate, potassium nitrate, microcrystalline cellulose, biogas residues, sepiolite powder and compound adsorbent is 42-50: 4-12: 10-18: 2-6: 0.1-0.16: 32-45: 24-30: 15-25: 1-4: 1-3: 1-2: 1-3.
5. The method for mixed culture of lobsters during rice planting as claimed in claim 1, wherein in the preparation process of the composite adsorbent, nitrogen is introduced into the composite adsorbent in a sealed state, the pressure is increased to 10-10.8MPa, the temperature is increased to 185 ℃, the mixture is stirred for 2-3h, and the temperature is reduced to room temperature.
6. The method for mixed culture of lobsters in rice planting season as claimed in claim 1 or 5, wherein chitosan is added and stirred for 5-12min at a stirring temperature of 60-70 ℃, zeolite powder is added, and ultrasonic treatment is carried out for 15-35min in the preparation process of the composite adsorbent.
7. The method for mixed culture of lobsters in rice planting season as claimed in claim 1 or 5, wherein in the preparation process of the composite adsorbent, the weight ratio of oxidized polyethylene wax, sodium metabisulfite, deionized water, liquid paraffin, petroleum ether, tween 80, polylactic acid, glacial acetic acid, chitosan and zeolite powder is 3-9: 0.1-0.16: 35-45: 20-30: 4-12: 1-5: 20-40: 120-200: 0.5-1: 2-4.
8. According to the claimsSolving 1 or 2 the method for mixed culture of lobsters in rice planting season, characterized in that in S3, the application amount of quicklime is 430-500kg/667m2The shrimp larvae are put in the amount of 2400-2。
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| CN109534928A (en) * | 2018-12-25 | 2019-03-29 | 江苏苏港和顺生物科技有限公司 | A kind of rice shrimp educates special fertilizer and its processing method and application altogether |
| CN109644800B (en) * | 2018-12-25 | 2022-02-22 | 江苏苏港和顺生物科技有限公司 | Special fertilizer for rice and shrimp co-cultivation and processing method and application thereof |
| CN110100977A (en) * | 2019-05-22 | 2019-08-09 | 浙江省农业科学院 | One seed manure raises integrated rice field and supports that shrimp is grains dedicated and preparation method thereof and method of administration |
| CN113575480B (en) * | 2021-08-31 | 2022-11-18 | 安徽省枫浩农业科技有限公司 | Efficient penaeus vannamei desalination method and application |
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| CN103739334A (en) * | 2013-12-20 | 2014-04-23 | 广西柳州浚业科技有限公司 | Biogas residue composite slow-release fertilizer |
| CN107805309B (en) * | 2016-09-09 | 2021-03-19 | 翁秋梅 | Dynamic polymer with non-covalent cross-linked structure and application thereof |
| CN106588285A (en) * | 2016-11-29 | 2017-04-26 | 袁家和 | Slow release fertilizer used for rice planting and preparing method thereof |
| CN107311767A (en) * | 2017-07-26 | 2017-11-03 | 望江县乡缘农业有限责任公司 | A kind of organic slow-release composite fertilizer purified for paddy soil |
| CN108184733A (en) * | 2017-12-29 | 2018-06-22 | 五河县纬立农业科技有限公司 | Cultural method coexists in a kind of rice lobster |
| CN108440106A (en) * | 2018-04-23 | 2018-08-24 | 无为县梦自然生态园有限公司 | A kind of composite slow-release fertilizer improving rice yield |
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