CN112772666A - Preparation method of controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin - Google Patents
Preparation method of controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin Download PDFInfo
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- CN112772666A CN112772666A CN202011624494.2A CN202011624494A CN112772666A CN 112772666 A CN112772666 A CN 112772666A CN 202011624494 A CN202011624494 A CN 202011624494A CN 112772666 A CN112772666 A CN 112772666A
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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
- A01N25/26—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 in coated particulate form
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
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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
- C05G3/40—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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Abstract
The invention discloses a preparation method of controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin, which consists of emamectin benzoate, clothianidin, nutrient substances required by crop growth, a carrier and controlled-release components. Compared with the prior art, the method has the advantages that: the emamectin benzoate and clothianidin are compounded, so that the pesticide composition has the characteristics of labor saving, time saving, safety and high efficiency, the control effect of respective root application of a single agent is greatly improved, and the yield increasing effect is obvious; the emamectin benzoate and the fertilizer are separated through the controlled release layer, so that the direct contact of the emamectin benzoate and the fertilizer is avoided, the stability of the emamectin benzoate is ensured, and in addition, the clothianidin can improve the effect on aphids in the later period through the action of the two controlled release layers; the medium trace element fertilizer is added into the product of the invention, which can supplement various nutrients of crops, can make up the defects of the traditional compound fertilizer and has better yield increasing effect.
Description
Technical Field
The invention relates to the technical field of pesticide fertilizers in agricultural production, in particular to a preparation method of controlled-release pesticide fertilizer granules containing emamectin benzoate and clothianidin.
Background
Spodoptera frugiperda is commonly called fall armyworm, and since the Spodoptera frugiperda enters Yunnan province in China in the early 2019, the Spodoptera frugiperda gradually spreads to more than twenty provinces in China in the north, and is classified as a first class crop disease and insect pest record according to the crop disease and insect pest control regulation in China. As a migratory insect pest, it is introduced from Burma into China, and the title of the armyworm is circulating in the wide areas of rivers and lakes, so that the armyworm can eat, fly and grow, and the Spodoptera frugiperda can arrive at the place where the corn is damaged. The insect is suitable to occur at the temperature of between 11 and 30 ℃, has strong fecundity, multiple varieties of food-taking crops, long migration diffusion distance and great prevention and control difficulty, causes serious harm in multiple countries in the world, reduces the yield of crops such as corns, sugarcanes and the like in parts of Africa and Asia by 20 to 30 percent, and damages seeds and kills the harvest for serious people. Spodoptera frugiperda, in addition to the favorite maize, eats over 80 plants such as rice, cotton, sorghum, alfalfa, barley, wheat, oats, millet, peanuts, soybeans, tobacco, tomatoes, potatoes, onions, and basically our roughage, which are all enjoyed.
The emamectin benzoate has incomparable activity to other pesticides, and especially has ultrahigh effect to lepidoptera and dipteran pests, such as cabbage leaf moth, tobacco aphid moth, cotton bollworm, tobacco hornworm, beet armyworm, cabbage looper, cabbage butterfly, cabbage moth, tomato hornworm, potato beetle and the like.
Clothianidin is an insecticide in neonicotinoids, is a novel efficient, safe and high-selectivity insecticide, has similar action to nicotinic acetylcholine receptors, and has contact poisoning, stomach toxicity and systemic activity. The pesticide is mainly used for preventing and controlling hemiptera, coleopteran, dipteran and certain lepidopteran pests such as aphids, leafhoppers, thrips, plant hoppers and the like on rice, vegetables, fruit trees and other crops, has the advantages of high efficiency, broad spectrum, low dosage, low toxicity, long efficacy duration, no phytotoxicity to the crops, safe use, no cross resistance with conventional pesticides and the like, has excellent systemic and osmotic effects, and is another variety for replacing high-toxicity organophosphorus pesticides. The structure is novel and special, the performance is more excellent compared with the traditional nicotine pesticide, and the pesticide is widely used in China in recent years.
Spodoptera frugiperda is a pest which invades China in recent two years, and patents for controlling Spodoptera frugiperda, namely a medicament composition for controlling Spodoptera frugiperda and a use method (application number: 201911101897.6), a method for controlling Spodoptera frugiperda by using seed treatment (application number: 201910727740.8), pesticide granules for controlling Spodoptera frugiperda (application number: 201910644051.0) and the like are reported. However, in the patent of a pesticide composition for preventing and treating spodoptera frugiperda and a use method thereof, chlorantraniliprole is a patent ingredient of foreign pesticide enterprises, and the treatment of the product by mixing with soil and throwing into the heart is troublesome; the patent of a method for preventing and controlling Spodoptera frugiperda by using seed treatment also uses chlorantraniliprole which is a patent ingredient of foreign pesticide enterprises, and the seed treatment is easy to cause phytotoxicity under severe weather conditions; the patent 'pesticide granules for preventing and controlling Spodoptera frugiperda' contains a plant growth regulator, the dosage of the plant growth regulator is difficult to control, the effect is reduced, the chemical injury is easily caused, the method is difficult to popularize in large area in China, and the main pesticide component 'cyantraniliprole' in the patent is a patent component of foreign pesticide enterprises and is still in the effective period.
In the invention, on the basis of screening biological activity of a large amount of compounds and improving tests of production process in recent two years, emamectin benzoate and clothianidin are compounded and processed into controlled-release pesticide fertilizer for the first time, and the controlled-release pesticide fertilizer is applied to control Spodoptera frugiperda by root application. The product of the invention can provide nutrition required by crops while preventing and controlling Spodoptera frugiperda, and can complete fertilization and disinsection at one time. The field test of the product 2019-containing 2020 shows that the control effect on spodoptera frugiperda is more than 80%, the lasting period of the product is more than 60 days, the yield of crops is increased obviously, and the method has good popularization value.
Disclosure of Invention
The invention aims to solve the technical problems and provide a preparation method of controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin, which can well prevent Spodoptera frugiperda, can increase the fertilizer for crops and promote the growth of the crops.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprise emamectin benzoate, clothianidin, nutrient substances required by crop growth, a carrier and controlled-release components.
The controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprise, by weight, 0.01-0.1 part of emamectin benzoate, 0.05-0.2 part of clothianidin, 65-90 parts of nutrient substances required by crop growth, 1-30 parts of carriers and 3-15 parts of controlled-release components.
The nutrient substances required by the growth of the crops comprise one or more of urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, diammonium phosphate, calcium superphosphate, calcium magnesium phosphate fertilizer, potassium chloride, potassium sulfate and medium trace elements required by the crops.
The medium and trace elements required by the crops consist of one or more of silicon fertilizer, magnesium fertilizer, boron fertilizer and zinc fertilizer.
The carrier is diatomite or kaolin.
The controlled release component is polymer resin or polylactic acid.
The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprises the following steps:
firstly, mixing nutrient substances required by crop growth and a carrier, and then putting the mixture into a granulator to prepare fertilizer granules;
step two, processing clothianidin into powder and coating the powder on the surface of fertilizer particles;
step three, coating a controlled release component layer on the surface of the particles obtained in the step two;
step four, processing emamectin benzoate into powder and coating the powder on the surfaces of the particles obtained in the step three;
and step five, coating a controlled release component layer on the surface of the particles obtained in the step four.
The product of the invention has better effect on common pests of crops such as soil insects, aphids and the like while preventing and controlling the spodoptera frugiperda. The pesticide-fertilizer composition realizes the purpose of one fertilizer for multiple purposes, and achieves the purpose of killing pests such as spodoptera frugiperda and the like when the pesticide-fertilizer composition is used for fertilizing crops.
The pesticide fertilizer is applied to crops such as corn, sugarcane and the like as a base fertilizer or an additional fertilizer at one time, can be used for preventing and controlling pests such as Spodoptera frugiperda, soil insects, aphids and the like, has long lasting period, and provides nutrition required for the growth of the crops.
Compared with the prior art, the invention has the advantages that:
1. the emamectin benzoate and clothianidin are compounded, so that the pesticide composition has the characteristics of labor saving, time saving, safety and high efficiency, the control effect of respective root application of a single agent is greatly improved, and the yield increasing effect is obvious.
2. The emamectin benzoate and the fertilizer are separated through the controlled release layer, so that the direct contact of the emamectin benzoate and the fertilizer is avoided, the stability of the emamectin benzoate is guaranteed, and in addition, the effect of clothianidin on aphids in the later period can be improved through the action of the two controlled release layers.
3. The medium trace element fertilizer is added into the product of the invention, which can supplement various nutrients of crops, can make up the defects of the traditional compound fertilizer and has better yield increasing effect.
4. The product of the invention has good control effect on Spodoptera frugiperda which is very difficult to control at present by applying the pesticide at the root, simultaneously achieves the purpose of controlling underground pests, aphids and other pests of crops, effectively solves the problems of untimely control and poor control effect caused by various reasons in the conventional spraying, and has the control effect on Spodoptera frugiperda of more than 80 percent.
Drawings
FIG. 1 is a first comparison table showing the effect of controlling Spodoptera frugiperda and the corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
FIG. 2 is a second comparison table showing the Spodoptera frugiperda prevention effect and corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
FIG. 3 is a third control table showing the Spodoptera frugiperda prevention effect and corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
FIG. 4 is a fourth comparison table showing the Spodoptera frugiperda-preventing effect and corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
FIG. 5 is a fifth comparative table showing the Spodoptera frugiperda prevention effect and corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
FIG. 6 is a sixth comparison table showing the Spodoptera frugiperda-preventing effect and corn yield using the controlled-release fertilizer granules of the present invention and self-control by farmers.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and drawings.
Example 1
Controlled-release pesticide-fertilizer granules containing 0.15% of emamectin benzoate and clothianidin (emamectin benzoate 0.05% and clothianidin 0.1%), taking 1000KG as an example:
a) urea 280KG, ammonium chloride 200KG, diammonium phosphate 100KG, calcium superphosphate 50KG, potassium chloride 200KG, potassium silicate 10KG, magnesium sulfate 20KG and diatomite are complemented to 910KG and mixed, and then granulated in a roller granulator, and 1KG clothianidin is processed into powder to be wrapped on the surfaces of the compound fertilizer particles;
b) coating 20KG high molecular resin on the surface of the particles;
c) processing 0.5KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) and c) coating 80KG polymer resin on the surface of the particles.
The product is subjected to a heat storage stability test, so that the decomposition rate of emamectin benzoate is 4.7 percent, the decomposition rate of clothianidin is 2.2 percent, and the product has better stability. The above materials are simply mixed and subjected to a heat storage stability test, the decomposition rate of emamectin benzoate is 43.7%, the decomposition rate of clothianidin is 6.1%, and the pesticide belongs to an easily-decomposed product.
The product is tested in Guangxi Wuming corn field, 40KG is applied to corn seeds per mu, as shown in figure 1, the control effect on Spodoptera frugiperda is 86.6% after 60 days, the control effect is better than that of farmers in self-defense areas (applying once common pesticide granules and spraying secondary Spodoptera frugiperda-prevention agents), and the corn yield is increased obviously. The residual quantities of emamectin benzoate and clothianidin in corn kernels are detected when the corn is harvested, and are not detected.
Example 2
Controlled-release pesticide-fertilizer granules containing 0.21% of emamectin benzoate and clothianidin (emamectin benzoate 0.01% and clothianidin 0.2%), taking 1000KG as an example:
a) 300KG of urea, 150KG of ammonium chloride, 80KG of ammonium sulfate, 100KG of monoammonium phosphate, 50KG of calcium superphosphate, 50KG of calcium magnesium phosphate fertilizer, 100KG of potassium chloride, 2KG of borax, 4KG of zinc sulfate and diatomite are complemented to 900KG and mixed, and then are granulated in a rotary granulator, and 2KG of clothianidin is processed into powder to be wrapped on the surfaces of the compound fertilizer granules;
b) coating 20KG high molecular resin on the surface of the particles;
c) processing 0.1KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) and c) coating 80KG polymer resin on the surface of the particles.
The product is subjected to a heat storage stability test, so that the decomposition rate of emamectin benzoate is 4.9 percent, the decomposition rate of clothianidin is 1.2 percent, and the product has better stability. The above materials are simply mixed and subjected to a heat storage stability test, the decomposition rate of emamectin benzoate is 54.1%, and the decomposition rate of clothianidin is 2.7%, so that the pesticide belongs to an easily-decomposed product.
The product is tested in a Henan China furrowing corn field, 40KG is used beside corn seeds for each mu, the control effect on spodoptera frugiperda is 82.4% after 60 days, as shown in figure 2, the corn yield is better than that of a farmer self-control area (once ordinary pesticide granules are applied and twice spodoptera frugiperda prevention agents are sprayed), and the corn yield is increased obviously. The residual quantities of emamectin benzoate and clothianidin in corn kernels are detected when the corn is harvested, and are not detected.
Example 3
Controlled-release pesticide-fertilizer granules containing 0.15% of emamectin benzoate and clothianidin (emamectin benzoate 0.1% and clothianidin 0.05%), taking 1000KG as an example:
a) urea 200KG, ammonium chloride 150KG, ammonium sulfate 80KG, monoammonium phosphate 100KG, calcium superphosphate 100KG, calcium magnesium phosphate 50KG, potassium sulfate 100KG, borax 2KG, zinc sulfate 4KG and diatomite are complemented to 850KG and mixed, and then are granulated in a roller granulator, and 0.5KG clothianidin is processed into powder to be wrapped on the surfaces of the compound fertilizer particles;
b) coating 50KG polylactic acid on the surface of the particles;
c) processing 1KG emamectin benzoate into powder to be coated on the surfaces of the particles in the step b);
d) wrapping 100KG polymer resin on the surface of the c) particles.
The product is tested in a Henan cornfield with 50KG for each mu, the control effect on spodoptera frugiperda is 81.4% after 60 days, as shown in figure 3, the control effect is better than that of farmers in self-control areas (common pesticide granules are applied once and agents for preventing spodoptera frugiperda are sprayed once), the pesticide spraying time is saved, and the corn yield is increased obviously.
Example 4
Controlled-release pesticide-fertilizer granules containing 0.12% of emamectin benzoate and clothianidin (emamectin benzoate 0.02% and clothianidin 0.1%), taking 1000KG as an example:
a) urea 280KG, ammonium chloride 150KG, ammonium sulfate 100KG, diammonium phosphate 100KG, calcium superphosphate 50KG, calcium magnesium phosphate 50KG, potassium chloride 100KG, sodium silicate 5KG, magnesium sulfate 10KG and diatomite are complemented to 900KG and mixed, and then granulated in a disc granulator, and 1KG clothianidin is processed into powder to be wrapped on the surfaces of the compound fertilizer granules;
b) coating 20KG polylactic acid on the surface of the particles;
c) processing 0.2KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) and c) coating 80KG polylactic acid on the surface of the particles.
The product is tested in a Henan furrowed corn field, 50KG is used beside corn seeds for each mu, the control effect on spodoptera frugiperda is 87.3% after 58 days, as shown in figure 4, the product is better than a self-control area of farmers (ordinary pesticide granules are applied once and pesticide for preventing spodoptera frugiperda is sprayed once), the pesticide spraying time is saved, and the corn yield is increased obviously.
Example 5
Controlled-release pesticide-fertilizer granules containing 0.12% of emamectin benzoate and clothianidin (emamectin benzoate 0.02% and clothianidin 0.1%), taking 1000KG as an example:
a) mixing 650KG urea and 300KG kaolin, granulating in a disc granulator, and processing 1KG clothianidin into powder to wrap the surface of the fertilizer particles;
b) wrapping 10KG polylactic acid on the surface of the particles;
c) processing 0.2KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) and c) coating 40KG polylactic acid on the surface of the particles.
The product is tested in the Changchang corn field in Henan province, 30KG is used for corn topdressing, the control effect on spodoptera frugiperda is 83.7% after 58 days, as shown in figure 5, the control effect is better than that of farmers in self-defense areas (spraying once agents for preventing spodoptera frugiperda), the pesticide spraying time is saved, and the corn yield is increased obviously. Meanwhile, the product has better effect on corn aphids and the like in the later period, and the lasting period is more than 60 days.
Example 6
Controlled-release pesticide-fertilizer granules containing 0.15% of emamectin benzoate and clothianidin (emamectin benzoate 0.03%, clothianidin 0.12%) take 1000KG production as an example:
a) 300KG of urea, 250KG of ammonium sulfate, 100KG of diammonium phosphate, 50KG of calcium superphosphate, 50KG of calcium magnesium phosphate fertilizer, 100KG of potassium chloride, 4KG of zinc sulfate and 50KG of diatomite are complemented to 930KG and mixed and then granulated in a roller granulator, and 1.2KG of clothianidin is processed into powder to be wrapped on the surfaces of the compound fertilizer particles;
b) coating 20KG high molecular resin on the surface of the particles;
c) processing 0.3KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) wrapping 50KG polymer resin on the surface of the c) particles.
The product is tested in a Shaoyang corn field in Hunan, 40KG is used beside corn seeds, the control effect on spodoptera frugiperda is 84.5% after 60 days, as shown in figure 6, the corn yield is better than that of farmers in self-defense areas (applying once common pesticide granules and spraying twice spodoptera frugiperda-prevention agents), and the corn yield is increased obviously.
Example 7
Controlled-release pesticide-fertilizer granules containing 0.15% of emamectin benzoate and clothianidin (emamectin benzoate 0.03%, clothianidin 0.12%) take 1000KG production as an example:
a) adding urea 250KG, ammonium chloride 200KG, diammonium phosphate 100KG, calcium superphosphate 100KG, calcium magnesium phosphate 50KG, potassium chloride 200KG, zinc sulfate 4KG and diatomite to 970KG, mixing, granulating in a roller granulator, and processing 1.2KG clothianidin into powder to wrap the powder on the surfaces of the compound fertilizer particles;
b) wrapping 10KG high molecular resin on the surface of the particles;
c) processing 0.3KG emamectin benzoate into powder to be coated on the surfaces of the b) particles;
d) and c) coating 20KG polymer resin on the surface of the particle.
The product is tested in a Chongzuo newly-planted sugarcane field in Guangxi province, 20KG is used beside sugarcane seeds per mu, the control effect on Spodoptera frugiperda on grasslands is 80.3% after 60 days, and meanwhile, the product has a good effect on sugarcane underground pests, stem borers, aphids and the like.
The invention and its embodiments have been described above, without this being limitative. Without departing from the spirit of the invention, a person skilled in the art shall appreciate that embodiments similar to the above-described embodiments may be devised without inventing, and the invention shall fall within the scope of the claims.
Claims (7)
1. A preparation method of controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin is characterized by comprising the following steps: the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprise emamectin benzoate, clothianidin, nutrient substances required by crop growth, carriers and controlled-release components.
2. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to claim 1, which is characterized by comprising the following steps of: the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprise, by weight, 0.01-0.1 part of emamectin benzoate, 0.05-0.2 part of clothianidin, 65-90 parts of nutrient substances required by crop growth, 1-30 parts of carriers and 3-15 parts of controlled-release components.
3. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to claim 2, characterized by comprising the following steps: the nutrient substances required by the growth of the crops comprise one or more of urea, ammonium chloride, ammonium sulfate, monoammonium phosphate, diammonium phosphate, calcium superphosphate, calcium magnesium phosphate fertilizer, potassium chloride, potassium sulfate and medium trace elements required by the crops.
4. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to claim 3, characterized by comprising the following steps of: the medium and trace elements required by the crops consist of one or more of silicon fertilizer, magnesium fertilizer, boron fertilizer and zinc fertilizer.
5. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to claim 2, characterized by comprising the following steps: the carrier is diatomite or kaolin.
6. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to claim 2, characterized by comprising the following steps: the controlled release component is polymer resin or polylactic acid.
7. The preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin according to any one of claims 1 to 6, which is characterized by comprising the following steps of: the preparation method of the controlled-release pesticide-fertilizer granules containing emamectin benzoate and clothianidin comprises the following steps:
firstly, mixing nutrient substances required by crop growth and a carrier, and then putting the mixture into a granulator to prepare fertilizer granules;
step two, processing clothianidin into powder and coating the powder on the surface of fertilizer particles;
step three, coating a controlled release component layer on the surface of the particles obtained in the step two;
step four, processing emamectin benzoate into powder and coating the powder on the surfaces of the particles obtained in the step three;
and step five, coating a controlled release component layer on the surface of the particles obtained in the step four.
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| CN113912445A (en) * | 2021-10-18 | 2022-01-11 | 河南好年景生物发展有限公司 | Sustained-release pesticide-fertilizer granules for preventing and treating main insect pests of tobacco and preparation method thereof |
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| CN103621537A (en) * | 2012-08-29 | 2014-03-12 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing clothianidin and banleptm and applications thereof |
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| CN103621537A (en) * | 2012-08-29 | 2014-03-12 | 南京华洲药业有限公司 | Synergistic insecticidal composition containing clothianidin and banleptm and applications thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912445A (en) * | 2021-10-18 | 2022-01-11 | 河南好年景生物发展有限公司 | Sustained-release pesticide-fertilizer granules for preventing and treating main insect pests of tobacco and preparation method thereof |
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