CN112194527A - Crop coated pesticide fertilizer and preparation method thereof - Google Patents
Crop coated pesticide fertilizer and preparation method thereof Download PDFInfo
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- CN112194527A CN112194527A CN202011092733.4A CN202011092733A CN112194527A CN 112194527 A CN112194527 A CN 112194527A CN 202011092733 A CN202011092733 A CN 202011092733A CN 112194527 A CN112194527 A CN 112194527A
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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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- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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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
- 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
- A01N47/02—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 no bond to a nitrogen atom
- A01N47/06—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 no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
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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
- 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
- A01N47/24—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing the groups, or; Thio analogues thereof
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/14—Boron; Compounds thereof
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
- A01N59/20—Copper
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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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
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a crop coating pesticide fertilizer, which comprises the following raw materials: spirotetramat, chlorantraniliprole, pyraclostrobin, prothioconazole, urea, monopotassium phosphate, a trace element growth regulator, active soil, a flocculating agent and an adhesive; the preparation method comprises the following steps: (1) weighing the raw materials; (2) mixing and stirring spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole to obtain a material A; (3) adding water into the material A, urea, monopotassium phosphate and the trace element growth regulator, mixing and stirring, granulating and drying to obtain a material B; (4) and adding water into the active soil, the flocculating agent and the adhesive, mixing and stirring, adding the mixture into a coating machine for spraying, and coating the material B to obtain the fertilizer. The invention can prolong the slow release time of the pesticide and the fertilizer, lead the release speed of the fertilizer to accord with the absorption speed of crops, greatly improve the utilization rate of the pesticide and the fertilizer and reduce the dosage of the pesticide and the fertilizer.
Description
Technical Field
The invention relates to the technical field of agricultural fertilizers, in particular to a crop coating pesticide fertilizer and a preparation method thereof.
Background
The pesticide fertilizer is a novel ecological compound fertilizer formed by mixing pesticide and fertilizer according to a certain proportion formula and stabilizing the fertilizer and the pesticide in a specific compound system through a certain process technology, and the fertilizer is generally used as a pesticide carrier. For the sustainable development of contemporary agriculture, medical manures are a new attempt to support and drive modern agriculture with powerful technology. The pesticide fertilizer can combine two operation steps in the field, which not only saves labor force, but also reduces time and energy consumption.
At present, pesticide fertilizer products in the market effectively combine pesticides and fertilizers, but have obvious defects. For example, the farmers use the fertilizer greatly every year, so that the beneficial bacteria in the soil are reduced sharply, and the organic nutrients are seriously lost, thereby causing the breeding of a great number of plant diseases and insect pests, the increase of pesticide residues and the serious loss of nutrients (N, P, K) in the soil; moreover, the existing various biological pesticides and plant-derived pesticides have the defects of poor broad spectrum, slow insecticidal effect, high price and difficult acceptance by farmers.
The coating is that sugar or other materials capable of forming films are coated on the outer surface of the solid pharmaceutical preparation in a specific device according to a specific process, and the solid pharmaceutical preparation becomes a layer or a plurality of layers of multifunctional protective layers with different thicknesses and different elasticity and is tightly adhered to the surface after being dried. By coating the medical fertilizer, the fertilizer has the characteristics of comprehensive prevention and control, low toxicity, high efficiency, seed and medicine conservation, environmental protection and high input-output ratio. However, the existing coating technology mostly utilizes the physical action of the coating to achieve slow release, is not friendly to the soil environment, and can destroy the ecological balance of the soil when being used in large quantity; and the coating has poor thixotropy, the coating is easy to fall off during transportation and sowing, and the structure of the coating is damaged by poor irrigation or heavy rain and strong wind, so that the function of the coating is influenced.
Therefore, how to provide a safe and efficient crop coating pesticide fertilizer is a problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention aims to provide a crop coating fertilizer and a preparation method thereof, so as to solve the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a crop coating pesticide fertilizer comprises the following raw materials in parts by weight: 8-12 parts of spirotetramat, 8-12 parts of chlorantraniliprole, 15-20 parts of pyraclostrobin, 15-20 parts of prothioconazole, 50-70 parts of urea, 30-40 parts of monopotassium phosphate, 5-10 parts of trace element growth regulator, 20-30 parts of active soil, 20-30 parts of flocculant and 10-20 parts of adhesive.
The crop coated pesticide fertilizer has the beneficial effects that the crop coated pesticide fertilizer is prepared by coating the pesticides such as spirotetramat and the like, the bactericides such as pyraclostrobin and the like, the fertilizers such as urea and the like and the coating agents such as active soil and the like, the slow release time of the pesticide and the fertilizer can be prolonged, the release speed of the fertilizer is consistent with the absorption speed of crops, the utilization rate of the pesticide and the fertilizer is greatly improved, and the dosage of the pesticide and the fertilizer is reduced.
Specifically, the method comprises the following steps:
the spirotetramat has contact poisoning effect mainly through stomach poisoning, has good systemic property and vertical penetration effect, is a high-efficiency pesticide with bidirectional systemic conduction property, and can conduct to the top and the base through xylem and phloem of plants. The agent acts on eggs and larvae of insects, and affects the egg laying rate of adults and the survival rate of offspring larvae; when the pesticide is applied to the surface of a plant, not only can foliar pests be effectively prevented and treated, but also new stems, leaves and parts which are not easily reached by pesticide liquid can be effectively protected; the control effect on hidden pests and pests with shells is good; it has another characteristic of long lasting period, and can provide effective control for up to 8 weeks. The spirotetramat has high efficiency and broad spectrum, and can effectively prevent and control various sucking mouthparts pests, such as aphids, thrips, psyllids, mealybugs, whiteflies, scale insects and the like. The main crops which can be applied comprise cotton, soybean, citrus, tropical fruit trees, nuts, grapes, hops, potatoes, vegetables and the like. Research shows that the compound has good selectivity on important beneficial insects such as ladybug, aphid fly and parasitic wasp.
The chlorantraniliprole has strong permeability, can be quickly absorbed by crops after being applied, and can effectively protect the crops from being damaged. Meanwhile, the pesticide also has strong activity of killing the initially hatched larvae, and the initially hatched larvae can eat residual pesticide liquid to be poisoned and die after being applied, so that the survival rate of pests is greatly reduced. In addition, the high-efficiency activity of the pesticide is very strong, which is about 100 times of that of other pesticides on the market, the pesticide can also accelerate the absorption and conduction of roots when being applied to soil, the pesticide effect durability of the pesticide is very strong, and the pesticide effect cannot lose effectiveness even in rainy days.
The pyraclostrobin has strong activity, extremely obvious antibacterial activity and quite good therapeutic activity, and has very obvious effect of preventing and treating various fungal diseases. Meanwhile, the plant growth regulator also has physiological regulation functions of improving the physiological function of crops, enhancing the stress resistance of the crops and the like. Can be widely applied to various crops such as rice, wheat, peanuts, vegetables, fruit trees, tobacco, tea trees and the like. The bactericidal composition is mainly used for preventing and treating leaf blight, rust disease, powdery mildew, downy mildew, epidemic disease, anthracnose, scab, brown spot, damping off and the like caused by fungi such as ascomycetes, adelomycetes, basidiomycetes and oomycetes. Especially has outstanding performance in the disease control aspects of cucumber downy mildew, powdery mildew, banana scab, leaf spot, grape downy mildew, anthracnose and powdery mildew, early blight, late blight, powdery mildew, leaf blight and the like of tomatoes and potatoes. In addition, the pyraclostrobin can promote absorption of nitrogen fertilizers, and the pyraclostrobin pesticide fertilizer product is deeply researched by a plurality of units. The test results show that the 0.02% pyraclostrobin granules have good control effect on potato late blight and watermelon anthracnose, and the 0.38% pyraclostrobin-boscalid granules have good control effect on strawberry gray mold.
Prothioconazole is a sterol Demethylation (DMI) or ergosterol biosynthesis inhibitor, has good systemic action, excellent protection, treatment and eradication activity and long lasting period. A large number of field test results show that the prothioconazole has good safety to crops, good disease prevention and treatment effects and obvious yield increase. Compared with triazole bactericides, prothioconazole has a wider bactericidal spectrum. The composition is mainly used for preventing and treating a plurality of diseases on crops such as wheat, barley, rape, peanut, rice, beans, beet and field vegetables. In particular, the composition is excellent in activity against ocular spot disease, sheath blight disease, and mold on cereals, and diseases caused by septoria, fusarium, and rhynchophorosporium.
Urea is a neutral fertilizer and is suitable for various soils and plants. It is easy to preserve, convenient to use, and has little destructive effect on soil, and is a chemical nitrogen fertilizer with larger use amount at present.
The potassium dihydrogen phosphate is used as a high-efficiency phosphorus-potassium compound fertilizer in agriculture, belongs to a novel high-concentration phosphorus-potassium two-element compound fertilizer, contains about 52 percent of phosphorus pentoxide and about 34 percent of dipotassium oxide, has a plurality of excellent effects of remarkably increasing production and income, improving quantity and optimizing quality, resisting lodging, diseases and insect pests, preventing and treating premature senility and the like, and has the effect of overcoming insufficient nutrition caused by the reduction of the aging and absorption capacity of a root system in the later growth stage of crops.
Further, the microelement growth regulator is at least one of boric acid, zinc sulfate and copper sulfate.
The beneficial effects of the further technical scheme are that the microelement growth regulator can provide microelements required by the growth of crops, wherein boric acid can promote cell elongation and tissue differentiation, accelerate enzyme metabolism and lignin formation, carbohydrate transport and protein metabolism, and promote the growth and development of root systems; the zinc sulfate can improve the yield and quality of seeds, enhance the photosynthesis and respiration of crops, stimulate cell activity, promote the synthesis and operation of carbohydrates in crops, increase the synthesis of chlorophyll and auxin, promote the absorption of the crops on nutrient elements such as nitrogen, phosphorus and potassium and the like, improve the cold resistance, drought resistance, saline-alkali resistance, disease resistance and stress resistance of the crops, promote precocity and increase thousand seed weight; copper sulfate protects plants from mold and fungus damage.
Further, the active earth is at least one of bentonite, attapulgite and sepiolite.
The active soil can form a network structure in moist soil, and the pesticide fertilizer and water molecules are fixed in grids, so that the loss of the pesticide fertilizer is prevented, the water loss can be effectively reduced, and water-saving agriculture is facilitated; meanwhile, the water-soluble fertilizer has good thixotropy, and the distribution and the action of the water-soluble fertilizer cannot be influenced by rain or irrigation, so that the loss of the fertilizer caused by heavy rain or poor irrigation can be relieved to a certain extent.
Further, the flocculating agent is at least one of polyacrylamide, butyl acrylate and chitosan.
The further technical scheme has the advantages that the flocculant has good flocculation and adsorption functions, is mature in production process, low in price and free of toxicity.
Further, the binder is at least one of starch, polyvinyl alcohol and gum arabic.
The coating chemical fertilizer has the advantages that the adhesive has good bonding performance, the adhesive is enhanced in adhesion under the synergistic effect of the active soil and the flocculating agent, and the prepared coating chemical fertilizer has good stability.
A preparation method of a crop coating pesticide fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the crop coating pesticide fertilizer;
(2) mixing and stirring spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole to obtain a material A;
(3) adding water into the material A, urea, monopotassium phosphate and the trace element growth regulator, mixing and stirring, granulating and drying to obtain a material B;
(4) and adding water into the active soil, the flocculating agent and the adhesive, mixing and stirring, adding the mixture into a coating machine for spraying, and coating the material B to obtain the crop coated pesticide fertilizer.
Further, in the step (2), the mixing and stirring speed is 200-300r/min, and the time is 10-20 min.
Further, in the step (3), water is added until the water content is 40-50%; the mixing and stirring speed is 100-200r/min, and the time is 20-30 min; the inlet temperature of the drying is 200-220 ℃, and the outlet temperature is 60-70 ℃.
Further, in the step (2), in the step (4), water is added until the water content is 60-80%; the mixing and stirring speed is 100-200r/min, and the time is 10-20 min.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the invention utilizes the synergistic action of active soil, flocculating agent and adhesive, flocculates the moist soil colloid through bridging, rolling, net-catching and electric charge adsorption, and adsorbs and fixes the active ingredients of the pesticide and fertilizer in the flocculating agent, thus effectively preventing the active ingredients of the fertilizer from losing and achieving the purpose of slowly releasing the active ingredients of the pesticide and fertilizer; meanwhile, as the chemical fertilizer and the pesticide are effectively prevented from entering underground and surface water, the environmental pollution can be reduced;
2. the crop coated pesticide fertilizer has the advantages of high-efficiency weeding and insecticidal effects, remarkably improved fertilizer efficiency, capability of fully exerting the characteristics of stable pesticide effect and lasting fertilizer efficiency of the coated pesticide fertilizer, capability of meeting the requirement of crops on nutrition in the growth period, and capability of effectively improving the yield and quality of agricultural products.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 1
The crop coating pesticide fertilizer comprises the following raw materials by weight: 8kg of spirotetramat, 8kg of chlorantraniliprole, 15kg of pyraclostrobin, 15kg of prothioconazole, 50kg of urea, 30kg of monopotassium phosphate, 5kg of boric acid, 20kg of bentonite, 20kg of polyacrylamide and 10kg of starch;
the preparation method of the crop coated pesticide fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the crop coating pesticide fertilizer;
(2) adding spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole into a stirrer, and mixing and stirring at the speed of 200r/min for 10min to obtain a material A;
(3) adding the material A, urea, monopotassium phosphate and trace element growth regulator into a stirrer, adding water until the water content is 40%, mixing and stirring at the speed of 100r/min for 20min, then adding a granulator for granulation, and then adding a dryer for drying, wherein the inlet temperature of the dryer is 200 ℃, and the outlet temperature of the dryer is 60 ℃ to obtain a material B;
(4) adding active soil, a flocculating agent and an adhesive into a stirrer, adding water until the water content is 60%, mixing and stirring at the speed of 100r/min for 10min, then adding into a coating machine for spraying, and coating the material B to obtain the crop coating medicinal fertilizer.
Example 2
The crop coating pesticide fertilizer comprises the following raw materials by weight: 12kg of spirotetramat, 12kg of chlorantraniliprole, 20kg of pyraclostrobin, 20kg of prothioconazole, 70kg of urea, 40kg of monopotassium phosphate, 10kg of zinc sulfate, 30kg of attapulgite, 30kg of butyl acrylate and 20kg of polyvinyl alcohol;
the preparation method of the crop coated pesticide fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the crop coating pesticide fertilizer;
(2) adding spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole into a stirrer, and mixing and stirring at the speed of 300r/min for 20min to obtain a material A;
(3) adding the material A, urea, monopotassium phosphate and trace element growth regulator into a stirrer, adding water until the water content is 50%, mixing and stirring at the speed of 200r/min for 30min, then adding a granulator for granulation, and then adding a dryer for drying, wherein the inlet temperature of the dryer is 220 ℃, and the outlet temperature of the dryer is 70 ℃ to obtain a material B;
(4) adding active soil, a flocculating agent and an adhesive into a stirrer, adding water until the water content is 80%, mixing and stirring at the speed of 200r/min for 20min, then adding into a coating machine for spraying, and coating the material B to obtain the crop coating medicinal fertilizer.
Example 3
The crop coating pesticide fertilizer comprises the following raw materials by weight: 10kg of spirotetramat, 10kg of chlorantraniliprole, 18kg of pyraclostrobin, 18kg of prothioconazole, 60kg of urea, 35kg of monopotassium phosphate, 8kg of copper sulfate, 25kg of sepiolite, 25kg of chitosan and 15kg of gum arabic;
the preparation method of the crop coated pesticide fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the parts by weight of the crop coating pesticide fertilizer;
(2) adding spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole into a stirrer, and mixing and stirring at the speed of 250r/min for 15min to obtain a material A;
(3) adding the material A, urea, monopotassium phosphate and trace element growth regulator into a stirrer, adding water until the water content is 45%, mixing and stirring at the speed of 150r/min for 25min, then adding a granulator for granulation, and then adding a dryer for drying, wherein the inlet temperature of the dryer is 210 ℃, and the outlet temperature of the dryer is 65 ℃ to obtain a material B;
(4) adding active soil, a flocculating agent and an adhesive into a stirrer, adding water until the water content is 70%, mixing and stirring for 15min at the speed of 150r/min, then adding into a coating machine for spraying, and coating the material B to obtain the crop coating medicinal fertilizer.
Performance testing
The coated pesticide fertilizer prepared in the embodiments 1-3 is respectively taken and the mass fraction, the total nutrient content, the water content and the granularity of the active ingredients of the pesticide are measured according to the indexes and the method of NY/T3589-2020 (technical specification of granular pesticide fertilizer). The measurement results are shown in table 1.
TABLE 1 EXAMPLES 1-3 measurement results of coated fertilizers for crops
As can be seen from Table 1, the indexes of the pesticide effective component mass fraction, the total nutrient content, the water content, the granularity and the like of the crop coating pesticide fertilizer prepared by the embodiments 1-3 of the invention all meet the corresponding requirements of NY/T3589 and 2020 (the technical specification of the granular pesticide fertilizer). Among them, example 3 is the most preferable example.
The tests show that the crop coated pesticide fertilizer has high-efficiency weeding and pest killing effects, obviously improves the fertilizer efficiency, can fully exert the characteristics of stable pesticide effect and lasting fertilizer effect of the coated pesticide fertilizer, meets the requirement of crops on nutrition in the growth period, and effectively improves the yield and quality of agricultural products.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The crop coating pesticide fertilizer is characterized by comprising the following raw materials in parts by weight: 8-12 parts of spirotetramat, 8-12 parts of chlorantraniliprole, 15-20 parts of pyraclostrobin, 15-20 parts of prothioconazole, 50-70 parts of urea, 30-40 parts of monopotassium phosphate, 5-10 parts of trace element growth regulator, 20-30 parts of active soil, 20-30 parts of flocculant and 10-20 parts of adhesive.
2. The coated fertilizer as claimed in claim 1, wherein the growth regulator is at least one of boric acid, zinc sulfate and copper sulfate.
3. The coated pesticide fertilizer as claimed in claim 1, wherein the active soil is at least one of bentonite, attapulgite and sepiolite.
4. The coated pesticide fertilizer as claimed in claim 1, wherein the flocculant is at least one of polyacrylamide, butyl acrylate and chitosan.
5. The coated agricultural chemical fertilizer as claimed in claim 1, wherein the binder is at least one of starch, polyvinyl alcohol and gum arabic.
6. The preparation method of the crop coated pesticide fertilizer is characterized by comprising the following steps:
(1) weighing the raw materials according to the parts by weight of the crop coating medical fertilizer of any one of claims 1 to 5;
(2) mixing and stirring spirotetramat, chlorantraniliprole, pyraclostrobin and prothioconazole to obtain a material A;
(3) adding water into the material A, urea, monopotassium phosphate and the trace element growth regulator, mixing and stirring, granulating and drying to obtain a material B;
(4) and adding water into the active soil, the flocculating agent and the adhesive, mixing and stirring, adding the mixture into a coating machine for spraying, and coating the material B to obtain the crop coated pesticide fertilizer.
7. The method as claimed in claim 6, wherein in the step (2), the mixing and stirring speed is 200-300r/min, and the time is 10-20 min.
8. The method for preparing the coated pesticide fertilizer for the crops as claimed in claim 6, wherein in the step (3), the water is added to the water content of 40-50%;
the mixing and stirring speed is 100-200r/min, and the time is 20-30 min.
9. The method as claimed in claim 6, wherein in the step (3), the inlet temperature of the drying is 200-220 ℃, and the outlet temperature is 60-70 ℃.
10. The method for preparing the coated pesticide fertilizer for the crops as claimed in claim 6, wherein in the step (4), the water is added to the water content of 60-80%;
the mixing and stirring speed is 100-200r/min, and the time is 10-20 min.
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| CN202011092733.4A CN112194527A (en) | 2020-10-13 | 2020-10-13 | Crop coated pesticide fertilizer and preparation method thereof |
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| CN202011092733.4A CN112194527A (en) | 2020-10-13 | 2020-10-13 | Crop coated pesticide fertilizer and preparation method thereof |
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Cited By (1)
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| CN113149780A (en) * | 2021-05-11 | 2021-07-23 | 安徽瑞然生物药肥科技有限公司 | Novel environment-friendly pesticide fertilizer and preparation method and application thereof |
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