CN111657310A - Disinfectant for pollution-free agricultural soil and preparation method thereof - Google Patents
Disinfectant for pollution-free agricultural soil and preparation method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/14—Boron; Compounds thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/44—Poaceae or Gramineae [Grass family], e.g. bamboo, lemon grass or citronella grass
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
Abstract
The invention discloses a pollution-free agricultural soil disinfectant. The invention discloses a preparation method of the disinfectant, which comprises the following steps: dissolving carbendazim in water, adding cyclodextrin, bamboo powder, medical stone powder and borax, mixing, and stirring to obtain a premixed antibacterial agent; crushing crop straws and then carrying out flash explosion treatment to obtain plant powder; adding polyaspartic acid, sodium alginate and zein peptide into the plant powder, mixing and grinding to obtain pretreated plant powder; adding the pretreated plant powder into the premixed antibacterial agent, adding hypochlorous acid and water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant. The invention can be used for disinfecting soil, greatly improving the prevention and treatment effect on plant diseases and insect pests, obviously improving the soil property, obviously promoting the capability of crop roots to absorb nutrient components, and obviously improving the utilization rate and the yield of fertilizer.
Description
Technical Field
The invention relates to the technical field of soil treatment, in particular to a pollution-free agricultural soil disinfectant and a preparation method thereof.
Background
With the development of modern agriculture, the soil of the existing cultivated land in China is over developed and used, particularly crops such as vegetables, flowers and fruits are planted continuously, the soil deterioration degree is increased, soil-borne diseases, particularly virus diseases, of the crops are difficult to effectively prevent and treat, the soil structure is damaged, the growth condition of the crops is poor, and meanwhile, the application amount of chemical fertilizers and pesticides is increased, and the vicious circle is caused.
In order to improve the land burden brought by modern agriculture, people make a great deal of effort to kill viruses in soil and repair soil characters through various ways, but the overall effect is not obvious, the drug resistance of various germs is continuously enhanced, the plant growth is seriously threatened, and the excessive application of pesticides and fertilizers seriously damages the soil structure and even leads the soil structure to lose the original repair capability.
The prior art has the defects that the capability of improving soil properties is poor, the disinfection components applied to the soil are quickly lost due to the damage of the soil structure, the soil disinfection and the soil remediation are not combined together for application, the utilization rate of the disinfection components is low, and the disinfection effect is not ideal.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a pollution-free agricultural soil disinfectant and a preparation method thereof.
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving carbendazim in water, adding cyclodextrin, bamboo powder, medical stone powder and borax, mixing, and stirring at 50-70 ℃ to obtain a premixed antibacterial agent;
s2, carrying out flash explosion treatment on the crushed crop straws, wherein in the process of flash explosion treatment: crushing crop straws, immersing the crushed crop straws in water at 60-80 ℃ for softening, filtering, adjusting the water content to 30-35 wt%, sending the mixture into a flash evaporation blasting device, and spraying the mixture from an outlet for flash explosion at the temperature of 160-180 ℃ and under the pressure of 6-10MPa to obtain plant powder;
s3, adding polyaspartic acid, sodium alginate and corn protein peptide into the plant powder, mixing, grinding for 2-5min at the grinding speed of 12000-20000r/min to obtain pretreated plant powder;
s4, adding the pretreated plant powder into the premixed antibacterial agent, adding hypochlorous acid and water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Preferably, in S1, the mass ratio of carbendazim to water is 6-10: 60-100.
Preferably, in S1, the mass ratio of carbendazim, cyclodextrin, bamboo powder, medical stone powder and borax is 6-10: 1-3: 1-3: 1-5: 15-25.
Preferably, in the flash explosion treatment of S2, the flash explosion is sprayed from the outlet, and the residence time is 1-2 min.
Preferably, in S2, the crop straw is at least one of rice straw, wheat straw, corn straw, sorghum straw, cotton straw, rape straw, and soybean straw.
Preferably, in S3, the mass ratio of the plant powder, the polyaspartic acid, the sodium alginate and the zein peptide is 30-50: 1-4: 2-6: 1-4.
Preferably, in S4, the pH of the mixed solution of hypochlorous acid and water is 6.50 ± 0.05, and the mass ratio of the pre-treated plant powder, the pre-mixed antimicrobial agent and hypochlorous acid is 50-60: 80-120: 2-6.
Wherein, adding hypochlorous acid and water to stir, (1) using medical distilled water, high-purity water or ultrapure water as raw materials to generate subacidity hypochlorous acid water by a reaction method; (2) can generate slightly acidic hypochlorous acid water with the ph value stabilized at 6.50 +/-0.05; (3) the sterilizing and deodorizing efficiency is not weakened when the food is heated to 80 ℃ or frozen into ice blocks for use; (4) can be used for generating the subacidity hypochlorous acid water with the same standard and effectiveness by using high-temperature raw water.
Safety: (1) distilled water, pure water, high-purity water and ultrapure water are used for generating, so that the safety of the generated non-electrolytic subacid hypochlorous acid water is ensured from the source; (2) the main component is HCIO, wherein HCIO is a natural antibacterial immune factor generated by a human body, and various toxicological research experiments at home and abroad prove the safety and the effectiveness of slightly acidic hypochlorous acid water; (3) the slightly acidic hypochlorous acid water with the concentration of less than 80ppm has no stimulation to human bodies and no side effect, the effective chlorine concentration of the generated slightly acidic hypochlorous acid water is controlled to be 50ppm, and the low-concentration slightly acidic hypochlorous acid water is successively determined as a food additive by the American national food and drug administration (FDA for short) and the Japan Yaoshu province of labor.
A pollution-free agricultural soil disinfectant is prepared by the preparation method of the pollution-free agricultural soil disinfectant.
The technical effects of the invention are as follows:
(1) the soil disinfection and soil remediation are combined, so that the soil is disinfected, the micro-ecological environment of the soil can be improved, the soil permeability is increased, the slow-release effect on the disinfection components can be achieved, and the soil disinfection time is prolonged;
(2) the invention adopts polyaspartic acid, sodium alginate and zein peptide as a water-retaining agent to form a gel structure, but the gel structure is easy to break and disperse in soil; therefore, the plant fiber water retention agent is compounded and ground with plant powder, and the plant powder is used as a carrier of the water retention agent, so that the water retention agent is fully dispersed in the plant powder fiber, and the obtained pretreated plant powder has excellent water retention performance and excellent mechanical stability;
(3) the pretreated plant powder is added into the premixed antibacterial agent, the carbendazim is fully dispersed in the system, and then the premixed antibacterial agent is matched with hypochlorous acid to be applied to the soil and mixed with the soil, so that the permeability of the soil can be increased, the soil is loosened, the antibacterial effect is extremely long, and the utilization rate of the antibacterial agent is high; meanwhile, the gel system after water absorption is stable in soil and is not easy to damage;
(4) the invention can change the common soil into the high-quality soil with drought resistance, water retention and disinfection functions, and has no pollution, good air permeability and good soil improvement effect; the invention has obvious prevention effect on root rot, canker, blight, verticillium wilt, bacterial wilt and stem base rot of plants.
The application method of the disinfectant for the pollution-free agricultural soil comprises the steps of adding the disinfectant for the pollution-free agricultural soil into water for diluting by 10-20 times, and spraying the disinfectant on the surface of soil to be repaired.
Preferably, the spraying amount of the disinfectant for the pollution-free agricultural soil is 30-50 kg/mu.
Experiments prove that the soil is disinfected by the invention, the control effect on plant diseases and insect pests is greatly improved, the soil property is obviously improved, the capability of crop roots to absorb nutrient components can be obviously promoted, and the nutrient utilization rate and the yield are obviously improved.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example 1
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving 6kg of carbendazim in 100kg of water, adding 1kg of cyclodextrin, 3kg of bamboo powder, 1kg of medical stone powder and 25kg of borax, mixing, stirring at the speed of 100r/min for 15min, and stirring at the temperature of 50 ℃ to obtain a premixed antibacterial agent;
s2, crushing the soybean straws, immersing the crushed soybean straws in water at 80 ℃ for softening for 5 hours, filtering, adjusting the water content to 35 wt%, sending the soybean straws into a flash-evaporation blasting device, and spraying the soybean straws out of an outlet to perform flash explosion to obtain plant powder, wherein the flash explosion temperature is 160 ℃, the spraying pressure is 10MPa, and the retention time is 1 min;
s3, adding 1kg of polyaspartic acid, 6kg of sodium alginate and 1kg of corn protein peptide into 50kg of plant powder, mixing, and feeding the mixture into a grinding machine for grinding for 5min at the grinding speed of 12000r/min to obtain pretreated plant powder;
s4, adding 60kg of the pretreated plant powder into 80kg of the premixed antibacterial agent, adding 2kg of hypochlorous acid and 40kg of water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Example 2
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving 10kg of carbendazim in 60kg of water, adding 3kg of cyclodextrin, 1kg of bamboo powder, 5kg of medical stone powder and 15kg of borax, mixing, stirring at the speed of 200r/min for 5min, and stirring at the temperature of 70 ℃ to obtain a premixed antibacterial agent;
s2, crushing rice straws, immersing the crushed rice straws in water at 60 ℃ for softening for 10 hours, filtering, adjusting the water content to be 30 wt%, sending the mixture into a flash-evaporation blasting device, and spraying out the mixture from an outlet to perform flash explosion to obtain plant powder, wherein the flash explosion temperature is 180 ℃, the spraying pressure is 6MPa, and the retention time is 2 min;
s3, adding 4kg of polyaspartic acid, 2kg of sodium alginate and 4kg of corn protein peptide into 30kg of plant powder, mixing, and feeding the mixture into a grinding machine for grinding for 2min at the grinding speed of 20000r/min to obtain pretreated plant powder;
s4, adding 50kg of the pretreated plant powder into 120kg of the premixed antibacterial agent, adding 6kg of hypochlorous acid and 50kg of water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Example 3
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving 7kg of carbendazim in 90kg of water, adding 1.5kg of cyclodextrin, 2.5kg of bamboo powder, 2kg of medical stone powder and 22kg of borax, mixing, stirring at the speed of 130r/min for 12min, and stirring at the temperature of 55 ℃ to obtain a premixed antibacterial agent;
s2, crushing corn straws, immersing the crushed corn straws in 75 ℃ water for softening for 6 hours, filtering, adjusting the water content to be 34 wt%, sending the corn straws into a flash evaporation and spray explosion device, spraying the corn straws from an outlet for flash explosion to obtain plant powder, wherein the flash explosion temperature is 165 ℃, the spraying pressure is 9MPa, and the retention time is 1.5 min;
s3, adding 3kg of polyaspartic acid, 3kg of sodium alginate and 3kg of corn protein peptide into 35kg of plant powder, mixing, and feeding the mixture into a grinding machine for grinding for 3min, wherein the grinding speed is 18000r/min, so as to obtain pretreated plant powder;
s4, adding 53kg of the pretreated plant powder into 110kg of the premixed antibacterial agent, adding 3kg of hypochlorous acid and 60kg of water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Example 4
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving 9kg of carbendazim in 70kg of water, adding 2.5kg of cyclodextrin, 1.5kg of bamboo powder, 4kg of medical stone powder and 18kg of borax, mixing, stirring at the speed of 170r/min for 8min, and stirring at the temperature of 65 ℃ to obtain a premixed antibacterial agent;
s2, crushing corn straws, immersing the crushed corn straws in 65 ℃ water for softening for 8h, filtering, adjusting the water content to 32 wt%, sending the corn straws into a flash-evaporation blasting device, and spraying the corn straws out of an outlet to perform flash explosion to obtain plant powder, wherein the flash explosion temperature is 175 ℃, the spraying pressure is 7MPa, and the retention time is 1.5 min;
s3, adding 2kg of polyaspartic acid, 5kg of sodium alginate and 2kg of corn protein peptide into 45kg of plant powder, mixing, and grinding for 4min in a grinding machine at the grinding speed of 14000r/min to obtain pretreated plant powder;
s4, adding 57kg of the pretreated plant powder into 90kg of the premixed antibacterial agent, adding 4kg of hypochlorous acid and 50kg of water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Example 5
A preparation method of a pollution-free agricultural soil disinfectant comprises the following steps:
s1, dissolving 8kg of carbendazim in 80kg of water, adding 2kg of cyclodextrin, 2kg of bamboo powder, 3kg of medical stone powder and 20kg of borax, mixing, stirring at the speed of 150r/min for 10min, and stirring at the temperature of 60 ℃ to obtain a premixed antibacterial agent;
s2, crushing corn straws, immersing the crushed corn straws in 70 ℃ water for softening for 7 hours, filtering, adjusting the water content to 33 wt%, sending the corn straws into a flash evaporation and spray explosion device, spraying the corn straws from an outlet to perform flash explosion to obtain plant powder, wherein the flash explosion temperature is 170 ℃, the spraying pressure is 8MPa, and the retention time is 1.5 min;
s3, adding 2.5kg of polyaspartic acid, 4kg of sodium alginate and 2.5kg of corn protein peptide into 40kg of plant powder, mixing, and grinding for 3.5min in a grinding machine at the grinding speed of 16000r/min to obtain pretreated plant powder;
s4, adding 55kg of the pretreated plant powder into 100kg of the premixed antibacterial agent, adding 2.5kg of hypochlorous acid and 50kg of water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
Randomly selecting 12 test fields in a certain field for vegetable planting, wherein the area of each test field is half mu, the test fields are divided into 4 groups, and each group is repeated for 3 times.
Before planting, the disinfectant for nuisanceless agricultural soil obtained in examples 3 to 5 was diluted 10 times with water, and then sprayed on the soil surface of test fields of groups 1 to 3, the amount of the above disinfectant for nuisanceless agricultural soil being 50 kg/mu. And spraying carbendazim with the effective content of 1.12kg to a control group.
Continuously planting the conventional species of the 5-season tomatoes, and observing the morbidity in the planting process, wherein the cumulative morbidity is as follows:
| example 3 | Example 4 | Example 5 | Control group | |
| Yield, kg/mu | 5172 | 5469 | 5574 | 4368 |
| Root knot nematode disease of tomato% | 0.46 | 0.39 | 0.22 | 3.28 |
| Tomato root rot,% | 0.07 | 0.05 | 0.02 | 1.25 |
| Canker of tomato% | 0.36 | 0.48 | 0.32 | 2.59 |
| Tomato wilt,% | 1.25 | 1.44 | 1.30 | 3.14 |
| Tomato verticillium wilt,% | 2.06 | 1.37 | 1.09 | 7.35 |
| Tomato bacterial wilt, percent | 2.54 | 2.68 | 2.31 | 6.84 |
After the continuous planting for 5 seasons, the planting soil is detected, and the result is as follows:
| example 3 | Example 4 | Example 5 | Control group | |
| Average particle size of aggregate structure, mm | 3.8 | 4.0 | 4.2 | 1.3 |
| Water holding capacity% | 53 | 48 | 55 | 32 |
| Total porosity of the soil% | 59 | 58 | 58 | 19 |
| Total nitrogen content, g/kg | 1.32 | 1.46 | 1.57 | 1.03 |
| Effective zinc content, mg/kg | 2.8 | 2.7 | 2.5 | 1.1 |
| Effective iron content, mg/kg | 12.5 | 13.0 | 13.6 | 10.1 |
From the above table, it can be seen that: after the disinfectant is used for treating soil, the disinfectant has obvious prevention effect on root rot, canker, blight, verticillium wilt, bacterial wilt and stem base rot of plants on one hand, has good soil improvement effect and good soil permeability enhancement effect on the other hand, and can change common soil into high-quality soil with drought resistance, water retention and disinfection functions.
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 (10)
1. A preparation method of a pollution-free agricultural soil disinfectant is characterized by comprising the following steps:
s1, dissolving carbendazim in water, adding cyclodextrin, bamboo powder, medical stone powder and borax, mixing, and stirring at 50-70 ℃ to obtain a premixed antibacterial agent;
s2, carrying out flash explosion treatment on the crushed crop straws, wherein in the process of flash explosion treatment: crushing crop straws, immersing the crushed crop straws in water at 60-80 ℃ for softening, filtering, adjusting the water content to 30-35 wt%, sending the mixture into a flash evaporation blasting device, and spraying the mixture from an outlet for flash explosion at the temperature of 160-180 ℃ and under the pressure of 6-10MPa to obtain plant powder;
s3, adding polyaspartic acid, sodium alginate and corn protein peptide into the plant powder, mixing, grinding for 2-5min at the grinding speed of 12000-20000r/min to obtain pretreated plant powder;
s4, adding the pretreated plant powder into the premixed antibacterial agent, adding hypochlorous acid and water, and uniformly stirring to obtain the pollution-free agricultural soil disinfectant.
2. The method for preparing the disinfectant for pollution-free agricultural soil according to claim 1, wherein in S1, the mass ratio of carbendazim to water is 6-10: 60-100.
3. The preparation method of the disinfectant for pollution-free agricultural soil according to claim 1, wherein in S1, the mass ratio of carbendazim, cyclodextrin, bamboo powder, medical stone powder and borax is 6-10: 1-3: 1-3: 1-5: 15-25.
4. The method for preparing a disinfectant liquid for pollution-free agricultural soil according to claim 1, wherein in the flash explosion treatment of S2, the liquid is sprayed from an outlet and the staying time is 1-2 min.
5. The method for preparing the disinfectant for pollution-free agricultural soil according to claim 1, wherein in S2, the crop straw is at least one of rice straw, wheat straw, corn straw, sorghum straw, cotton straw, rape straw and soybean straw.
6. The preparation method of the disinfectant for pollution-free agricultural soil according to claim 1, wherein in S3, the mass ratio of the plant powder, the polyaspartic acid, the sodium alginate and the zein peptide is 30-50: 1-4: 2-6: 1-4.
7. The method for preparing the disinfectant for pollution-free agricultural soil according to claim 1, wherein in S4, the pH of the mixed solution of hypochlorous acid and water is 6.50 ± 0.05, and the mass ratio of the pre-treated plant powder, the premixed antibacterial agent and the hypochlorous acid is 50-60: 80-120: 2-6.
8. A disinfectant for pollution-free agricultural soil, which is prepared by the method for preparing a disinfectant for pollution-free agricultural soil according to any one of claims 1 to 7.
9. The method for using the disinfectant for pollution-free agricultural soil according to claim 8, wherein the disinfectant for pollution-free agricultural soil according to claim 8 is diluted 10 to 20 times with water and sprayed on the surface of the soil to be restored.
10. The method of using the disinfectant for pollution-free agricultural soil according to claim 9, wherein the disinfectant for pollution-free agricultural soil according to claim 8 is applied in an amount of 30 to 50 kg/acre.
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| CN113210418A (en) * | 2021-03-18 | 2021-08-06 | 交大环境保护研究院(江苏)有限公司 | Method for repairing heavy metal pollution of mine soil by combining plant solid waste |
| CN114342677A (en) * | 2021-12-24 | 2022-04-15 | 上海上房园艺有限公司 | Seed ball propagation method of allium giganteum |
| WO2022138809A1 (en) * | 2020-12-23 | 2022-06-30 | イノチオホールディングス株式会社 | Reductive soil disinfestation material, production method therefor, and reductive soil disinfestation method |
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