105 results about "Wettable powder" patented technology

The present invention discloses a herbicidal composition containing flufenacet and its application. The composition comprises active ingredient A and active ingredient B, wherein active ingredient A is flufenacet, and active ingredient B is selected from one or more of pyrazosulfuron-ethyl and bispyribac-sodium. The mass ratio of active ingredient A to active ingredient B in the composition is 1:50 - 50:1. The composition can be formulated into agriculturally acceptable dosage forms, preferably emulsifiable concentrates, suspensions, wettable powders, water dispersible granules, and dispersible oil suspensions. The components of the present invention are reasonable, having good herbicidal effects in paddy fields, and its activity and herbicidal effects are not a simple superposition of each component. Compared with existing single preparations, it has the characteristics of remarkable herbicidal effects, low dosage, broad herbicidal spectrum, and good safety for crops.

The ternary weeding composition containing 2-methyl-4-chlorophenoxyacetic acid sodium, tembotrione and bensulfuron methyl provided by the invention is reasonable in component formula, has a remarkable synergistic effect, and can expand the weed control spectrum of a single agent and a binary mixture, reduce the dosage of each effective component, reduce the pesticide application frequency, reduce the control cost and delay the resistance. The ternary weeding composition disclosed by the invention can be prepared into solid dosage forms such as wettable powder, water dispersible granules, granules and the like. The weeding composition disclosed by the invention has the advantages of simple preparation process, low preparation residue, no pollution to crops and good safety, meets the safety requirements of pesticide preparations, and can be used for preventing and killing off annual gramineous weeds, broadleaf weeds and cyperaceae weeds such as barnyard grass, leersia oryzae, scirpus tabernaemontani, sagittaria trifolia and rhizoma alismatis in northeast transplanted paddy fields.

The invention belongs to the technical field of plant tissue culture, and provides a composite systemic bactericidal solution for lily bulb pretreatment and a matched disinfection and primary culture method thereof. Each liter of the working solution comprises 4-8 g / L of 50% carbendazim wettable powder, 2-6 g / L of 50% chlorobromoisocyanuric acid soluble powder and 1-2 g / L of metalaxyl-hymexazol aqueous solution. The method sequentially comprises the steps of appropriate dehydration of bulbs, soaking in a composite systemic bactericidal solution, standing for absorption, surface sterilization, short soaking in a protective solution and continuous bacteriostatic culture. According to the technical scheme, the limitation of traditional surface sterilization is broken through, deep and surface double sterilization is considered, the multi-mechanism and multi-link synergistic effect is achieved, the pollution rate (smaller than or equal to 3%) of lily bulb primary culture is reduced, mercuric chloride is avoided, and the method is safe, environmentally friendly and suitable for large-scale culture of lilies and other bulb crops.

The application discloses a bacillus velezensis A13 wettable powder and application thereof, and belongs to the technical field of biological pesticides. The application aims to solve the problems of limited prevention and treatment effect of existing seed treatment, high labor intensity of foliar spraying and short effective period. The wettable powder comprises a mother powder prepared from fermentation liquor and diatomite, and a dispersant, a wetting agent, a stabilizer and a protective agent, wherein the total addition amount of the dispersant and the wetting agent is 5%-14% of the mass of the mother powder, the addition amount of the protective agent is 0.5%-2% of the mass of the mother powder, and the addition amount of the stabilizer is 1%-3% of the mass of the mother powder. The application can be used for preventing and treating root diseases caused by panax quinquefolius rust rot fungus and leaf diseases caused by panax quinquefolius alternaria leaf spot fungus, and promoting plant growth.

The invention discloses an application of trichoderma griseaginii TR2122 in prevention and treatment of beet root rot, a strain of the trichoderma griseaginii TR2122 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.21025, and the strain has strong antagonism and hyperparasitism effects on fusarium oxysporum causing the beet root rot. Meanwhile, the invention further provides a microbial preparation containing the live spores of the strain, the spore content is not lower than 2 * 10 < 8 > CFU / g, and the microbial preparation is preferably wettable powder containing a parent drug, a dispersing agent, a wetting agent and filler. In addition, the invention further discloses a preparation method of the preparation, and the preparation method comprises the steps of fermentation culture, concentration drying and mixing preparation. The strain and the preparation have stable and lasting control effect on beet root rot, are superior to or equivalent to conventional chemical agents, are safe and environment-friendly, and provide an effective solution for beet green control.

The invention provides glyphosate and oxadiazon wettable powder and a preparation method of the glyphosate and oxadiazon wettable powder. The glyphosate and oxadiazon wettable powder is prepared from the following components: 5.3 percent to 10.5 percent of oxadiazon, 46.0 percent to 51.8 percent of ammonium glyphosate, 5 percent to 10 percent of an auxiliary agent and the balance of filler. The preparation method comprises the following steps: metering the raw materials, uniformly mixing, carrying out air jet pulverization, and uniformly mixing to obtain the finished product. The glyphosate-oxadiazon wettable powder prepared by the invention is resistant to thermal storage, the effective components are not easy to decompose, and the quality is stable. In order to solve the problem that resistant weeds such as goosegrass herb and horseweed herb are difficult to remove, oxadiazon and glyphosate are compounded to form a dual-action mechanism, the resistant weeds can be comprehensively prevented and removed, and the weeding effect is more remarkable.

The present application provides a kind of wettable powder and its preparation method and application, belong to forest disease biological control technical field.The wettable powder of the present application is made of the following mass fraction components: Bacillus subtilis WB1 fermentation liquor 90-110 parts, filler 42-48 parts, auxiliary 28-32 parts.The wettable powder of Bacillus subtilis WB1 prepared by the present application has high viable count, good suspensibility, dispersibility and wettability, can be stored, transported and sprayed in large area in forest at room temperature for a long time, has broad-spectrum antibacterial property, and has good control effect on walnut bacterial black spot.The preparation method of the wettable powder of the present application is simple, low in cost, and suitable for large-scale popularization and application.

The invention belongs to the field of agricultural fungicides, and relates to wettable powder containing a stabilizer and application of the wettable powder. The wettable powder containing the stabilizer is composed of active components and an auxiliary agent, the active components are fosetyl-aluminum and an amide fungicide (B), the auxiliary agent contains the stabilizer, the stabilizer is one or more of biphenyl substances with a 2, 2 '-dihydroxyl structure, and the adding amount of the stabilizer accounts for 0.1-30% of the mass of the preparation. The wettable powder provided by the invention is stable in sample, the raw materials generate an effective synergistic effect, and the problem that the suspension rate and the wettability are obviously reduced in different environments when the fosetyl-Al is mixed with other amide fungicides to prepare the wettable powder is solved.

The utility model provides a drying device for preparing wettable powder pesticide, which relates to the field of pesticide preparation and comprises a drying machine body, a drying chamber and an air distribution plate, the drying chamber is arranged at the top of the drying machine body, the air distribution plate is arranged at the top of the drying machine body in the drying chamber, and two groups of arc-shaped guide plates are arranged on two sides of the top of the air distribution plate. The two sets of arc-shaped guide plates are located at the right-angle connecting positions of the air distribution plate and the inner wall of the drying chamber correspondingly, and a screen is arranged between the arc-shaped guide plates at the top of the air distribution plate. The screen with fine and dense meshes is arranged above the air distribution plate, so that the problem of material loss or blockage of an air inlet system caused by the fact that part of pesticide particles easily penetrate through the meshes of the air distribution plate to fall down is solved, the design of gradually changing the aperture of the air distribution plate is adopted, and the aperture is properly increased in the area close to the air inlet end; therefore, the pressure loss of the air flow in the flowing process is compensated, the fluidization state of the whole bed layer is uniform and stable, and the practicability of the device is improved.

The invention discloses carbendazim wettable powder and a preparation method thereof, and relates to the technical field of pesticides, the carbendazim wettable powder comprises carbendazim, a modified polyoxyethylene ether wetting agent, a sulfonated dispersant, a composite bactericide and an auxiliary preparation; the modified polyoxyethylene ether wetting agent is a grafted copolymer of a polyoxyethylene ether chain segment and trimethylsiloxane, the HLB (Hydrophile-Lipophile Balance) value of the modified polyoxyethylene ether wetting agent is 12-18, and the grafting rate is 20-35%; the sulfonation dispersing agent is prepared from styrene-maleic anhydride copolymer through sulfonation reaction, and the sulfonation degree is 0.8-1.5 mmol / g; the particle agglomeration is inhibited by the steric hindrance effect of the grafted copolymer in the modified polyoxyethylene ether, so that the suspension rate can be improved, and the caking and agglomeration phenomena of the carbendazim wettable powder are inhibited; sulfonyl ionization in the sulfonated dispersant endows the particle surface with strong negative charges, and agglomeration can be prevented through electrostatic repulsion; and the ionic bonding of the sulfonic group and the carrier amino fixes the active component, so that the heat storage stability of the product can be improved.

The utility model relates to a microbial biopesticide wettable powder preparation device, which belongs to the technical field of pesticide wettable powder preparation, and comprises a bottom shell and a feed delivery pipe, an outer cylinder is fixed at the top of the bottom shell, a cylinder piece is arranged on the inner side of the outer cylinder, an electric valve is fixed at the bottom of the bottom shell, a discharge pipe is fixed at the bottom of the electric valve, and the discharge pipe is connected with the feed delivery pipe. A springing mechanism is arranged on the inner cavity wall of the outer cylinder, a swinging mechanism is arranged on the inner cavity wall of the outer cylinder, a rotating rod is fixed on the swinging mechanism, and stirring blades are fixed on the outer side of the rotating rod. According to the microbial biopesticide wettable powder preparation device, energy is supplied through a springing motor, a filter plate is driven to springing, so that raw materials with a poor crushing effect are intercepted, circumferential rotation of a driven gear is realized through arrangement of a swing mechanism, and uniform mixing of the raw materials by stirring blades is realized through cooperation with arrangement of a rotating motor; overall use is convenient, and the mixing effect is good.

The utility model provides a kind of hierarchical impeller for agricultural chemical wettable powder, it is related to hierarchical impeller technical field, to solve the problem that existing hierarchical impeller when using, using straight blade or forward-inclined blade, turbulent flow is generated when airflow passes, leading to coarse particle is mixed into finished product by turbulent flow entrainment, airflow passage distortion, produces the problem of tail vortex disturbance flow, including top sheet;Top sheet outside is provided with flow guide ring;Top sheet is provided with blade;Blade is set on flow guide ring;Blade bottom is provided with bottom sheet;Bottom sheet bottom is provided with fairing.The backward-inclined blade can produce more gentle airflow field and more uniform centrifugal field, improve classification accuracy, reduce the entrainment of coarse particles, the setting forty-eight groups of blades can improve classification efficiency and classification accuracy, ensure enough classification area length, increase flow guide ring, fairing at impeller outlet, improve airflow distribution, reduce inlet turbulent flow and outlet backflow, make airflow more uniform, stably pass through classification zone, improve classification accuracy.

The invention relates to the field of broccoli cultivation, in particular to a broccoli disease-resistant disease-prevention pollination cultivation method which comprises the following steps: acquiring a seed sample, exposing the seed sample to the sun, soaking the seed sample in warm water, sterilizing the soaked seed sample, and mixing imidacloprid wettable powder with the seed sample to obtain pretreated seeds; sandy loam with good drainage is selected, the PH value of the sandy loam is adjusted and controlled within a standard range, a greenhouse of the sandy loam is built, an insect-proof net and an EVA film are selected and covered, and an experimental field where the pretreated seeds are planted is obtained; the handheld electric vibrator is used for pollination, operation is easy and convenient, and efficiency is high. Compared with natural pollination, the method is not limited by climate and pollination insects, can ensure sufficient scattering and uniform spreading of pollen, improves the pollination success rate, reduces the rate of deformed flower balls, increases the fruiting amount and commodity of broccoli, and brings higher economic benefits to farmer households.

The invention discloses a method for preventing and treating peronophythora litchii, relates to the technical field of peronophythora litchii, and aims to promote disease-resistant varieties and vertical-resistant varieties to control occurrence of peronophythora litchii, the method has a good short-term effect but cannot last for a long time, and the variety with horizontal resistance has relatively stable disease resistance, which is the key point of current breeding. In production, a disease-resistant variety should be selected according to the epidemic degree of peronophythora blight, the sensitive period of the litchi peronophythora blight is a flowering period and a coloring and mature period, and in prevention and treatment, pesticide should be applied in three key periods, namely after flower thinning and shortening, when female flowers bloom and a litchi coloring period; after an orchard is cleaned and fruits are harvested, deadwood on trees and diseased fruits and rotten fruits on the ground are removed in combination with pruning, the fruits are burnt down in a concentrated mode, then a 1% copper sulfate solution is sprayed on soil below tree crowns, and 600-fold liquid of 30% copper oxychloride suspension or 800-fold liquid of 77% Kovalerate wettable powder is sprayed on the tree crowns once.

DEPCT68 What is described here is a dry formulation of agricultural chemical compounds, such as granules that are dispersible in water. (WG) or wettable powder (WP), for active ingredients with a relatively low melting temperature, such as: Bifenthrin dry formulations provide a high loading of the active ingredient and good dispersion ability. Excellent, and excellent storage stability;

The invention provides Esteria nematode wettable powder as well as a preparation method and application thereof, and belongs to the technical field of biopesticide preparations. The Esteria nematode wettable powder is prepared from the following components in parts by weight: 20 to 30 parts of Esteria nematode freeze-dried spore powder, 2 to 6 parts of sodium lignin sulfonate, 4 to 8 parts of sodium alkyl naphthalene sulfonate and 50 to 70 parts of corn starch. According to the invention, the variety and the optimal concentration of the cryoprotectant with a good protection effect on the Esteria nematode spores are screened out, and the live spore rate of the freeze-dried spore powder is improved to the maximum extent. A carrier and an auxiliary agent which have good biocompatibility to the Esteria nematode are further screened out, the formula of the Esteria nematode wettable powder is determined, and the produced Esteria nematode wettable powder not only can keep the activity of strains, but also is convenient to store and transport. Good application prospects and popularization values are realized on prevention and control of pine wood nematode diseases.

This invention relates to the technical field of plant growth regulators and specifically discloses a method for preparing a plant growth regulator solid based on residual liquid from the production of S-absorbent. The S-absorbent residual liquid comprises a first crystallization mother liquor and / or a second crystallization mother liquor; the second crystallization mother liquor undergoes a first pretreatment to obtain an S-absorbent aqueous solution; the first crystallization mother liquor and / or the S-absorbent aqueous solution undergo a second pretreatment to obtain a mother powder; and agriculturally acceptable adjuvants are added to the mother powder to prepare a plant growth regulator solid containing 0.1-10% S-absorbent. The solid includes, but is not limited to, soluble powders, wettable powders, and granules. The implementation of this invention can improve the production efficiency and economic benefits of S-absorbent, reduce pollution and waste, and achieve the goals of waste utilization, energy conservation, and emission reduction.

The application belongs to the field of biological control of plant diseases, and specifically discloses a biocontrol bacterium Bacillus velezensis and application of the biocontrol bacterium in preparation of a biocontrol bacterium agent for preventing and treating pepper blight. Bacillus velezensis The strain is Bacillus velezensis (Bacillus velezensis) Y426-7, which was preserved in the China General Microbiological Culture Collection Center on September 23, 2024, has a preservation number of CGMCC NO.32041, and is located at No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The biocontrol bacterium Bacillus velezensis can be used to prepare the biocontrol bacterium agent for preventing and treating pepper blight. Compared with the prior art, the Bacillus velezensis Y426-7 obtained by the application has obvious bacteriostatic effect on pepper Phytophthora capsici Leonian and various crop pathogenic fungi under indoor in vitro conditions; and 2.5x10 9 CFU / g wettable powder prepared from the Bacillus velezensis Y426-7 has good prevention and treatment effect and certain yield-increasing effect on pepper blight in a field.

The invention discloses a biopesticide composition for preventing and treating sesame bacterial wilt and a preparation, and belongs to the technical field of plant protection. The biopesticide composition for preventing and treating sesame bacterial wilt comprises the following raw materials in parts by mass: 30-40 parts of 50% carbendazim wettable powder, 2-3 parts of spinach / chamomile mixed extract, 2.5-3.5 parts of citrus peel extract and 1.5-2 parts of compound microorganisms. The biopesticide composition for preventing and treating sesame bacterial wilt has a good bacteriostatic effect on pathogenic bacteria, can effectively inhibit infection of the pathogenic bacteria on plants, can reduce the dosage of chemical agents, can reduce the risk that the pathogenic bacteria generate drug resistance, can effectively prevent and relieve the disease condition of sesame, and has a good application prospect. The influence of bacterial wilt on the economic crop yield is reduced.

The utility model provides a wettable powder anti-blocking vibration screening conveying assembly, and relates to the technical field of wettable powder conveying, the wettable powder anti-blocking vibration screening conveying assembly comprises a conveying frame, a conveying belt is arranged on the inner side of the conveying frame and used for conveying wettable powder, and a material guiding assembly extending to the position above the conveying frame is arranged on the outer side of the conveying frame and used for conveying the wettable powder. The material receiving and guiding device is used for receiving and guiding wettable powder; a screening mechanism penetrating to the right side of the material guiding assembly is arranged on the inner side of the material guiding assembly. The anti-caking vibrating screening conveying assembly for the wettable powder is used for screening the wettable powder and can not only efficiently loosen caked materials and promote fine powder screening, but also avoid generation of new cakes due to rigid collision, and meanwhile secondary treatment is conducted on large-particle materials left after screening to ensure that the particle sizes of the materials are uniform; by means of the technical scheme, accurate feeding back of crushed materials is achieved, blocking or splashing is prevented, a continuous circulating screening process is formed, the anti-caking treatment efficiency is greatly improved, material waste is reduced, and continuity and reliability in the production process are remarkably improved.

The invention discloses a high-performance diuron wettable powder production superfine grinding system, which comprises a pre-crushing mechanism and a superfine grinding mechanism, the superfine grinding mechanism comprises a crushing bin, the bottom end of the crushing bin is provided with a collection hopper, the bottom end of the collection hopper is provided with a powder lifter, the pre-crushing mechanism comprises a pre-crushing tank, and the pre-crushing tank is provided with a powder hopper. The pre-crushing tank is fixed to the top end of the crushing bin, a horizontal feeding pipe is installed at the bottom end of the pre-crushing tank, a first discharging opening is formed in one end of the horizontal feeding pipe, a feeding bent pipe is installed on one side of the crushing bin, a feeding hopper is fixed to the top end of the feeding bent pipe, and the first discharging opening is aligned to the feeding hopper. A four-layer nested driving rotating shaft design is adopted, and through differential transmission of a fifth bevel gear and a sixth bevel gear, the internal and external reverse and fast and slow alternating rotating characteristic is achieved, so that a first crushing blade and a second crushing blade form a three-dimensional crossed shearing track, the contact probability of materials and the blades is greatly improved, and the crushing efficiency is improved.

Disclosed herein is a formulation of a Bacillus velezensis TCS001 suspension concentrate. The suspension concentrate has good dispersibility, a high suspension rate, and relatively strong adhesion to plant surfaces, is resistant to rain erosion, and has more significant and longer-lasting control efficacy than that of wettable powder. Applying the suspension concentrate can improve the quality of cherries and blueberries and promote the growth of strawberries. The suspension concentrate can further serve as an agent for full-growth-cycle disease control and / or quality improvement of cucumbers and tomatoes. After applying the microbial agent throughout the entire crop growth cycle, not only are diseases in facility-cultivated crops effectively controlled, with control efficacy superior to that of conventional chemical agents, but also crop quality and yield are improved compared to the chemical agent treatment group.

The invention relates to the technical field of pesticide preparations, and provides mancozeb wettable powder and a preparation method thereof. The mancozeb wettable powder is prepared from the following raw materials in parts by weight: 82 to 85 parts of mancozeb, 7 to 10 parts of attapulgite-diatomite-nano aluminum oxide composite filler, 5 to 6 parts of dispersing agent, 1 to 2 parts of wetting agent and 0.5 to 1 part of stabilizing agent. According to the mancozeb wettable powder and the preparation method thereof provided by the invention, the adhesiveness of the mancozeb raw medicine is improved, the medicine loss caused by high temperature or low temperature is reduced, and the persistence of the medicine effect is improved.

The present application relates to a kind of methods for improving the biological activity of Bacillus thuringiensis preparation using organic acid.The method is specifically as follows: adding organic acid to Bacillus thuringiensis preparation, thereby improving the biological activity of Bacillus thuringiensis preparation;The Bacillus thuringiensis preparation is Bacillus thuringiensis wettable powder;The organic acid is selected from any one or more of palmitic acid, stearic acid, arachidic acid, acetylsalicylic acid and oleic acid;The biological activity includes any one or more of biofilm formation ability, ultraviolet resistance and insecticidal activity.By the method of the present application, the application effect of Bacillus thuringiensis preparation in agriculture can be significantly improved, and has high practical application value.

The present invention relates to a pleuromutilin wettable powder and a method for preparing the same. The pleuromutilin wettable powder contains 5-25 wt% pleuromutilin, 2-6 wt% wetting and dispersing agent, and the remainder a filler. The raw materials are pulverized in an airflow mill to a particle size of less than 325 mesh to obtain a 5-25% pleuromutilin wettable powder. The 5-25% pleuromutilin wettable powder can be used to prevent and treat various agricultural diseases, such as the pathogen of rice bacterial leaf blight.

The invention discloses diuron wettable powder and a preparation method thereof, and belongs to the technical field of pesticide preparations, and the diuron wettable powder is prepared from the following raw materials in parts by weight: 50-60 parts of diuron, 10-15 parts of a composite carrier, 4-6 parts of a dispersing agent, 3-5 parts of a wetting agent and the balance of modified calcium carbonate, the composite carrier is TEMPO oxidized nano cellulose cross-linked sodium alginate. In addition, a benzoic acid grafted chitosan anchoring reinforcing agent is also added, and the loading capacity and suspension stability of diuron can be further improved through the pi-pi conjugation effect of the benzoic acid grafted chitosan anchoring reinforcing agent and diuron and hydrogen bond combination of the benzoic acid grafted chitosan anchoring reinforcing agent and the carrier. The diuron wettable powder solves the problems that the solubility of diuron in water is extremely low, and a preparation has low suspension rate and is easy to flocculate and precipitate, while the diuron wettable powder prepared by the invention not only can obviously improve the dispersity and suspension stability of raw medicine particles in water, but also can effectively prevent the phenomena of flocculation, caking and precipitation in the storage and use processes, and has a good application prospect. Therefore, the pesticide application uniformity and the full exertion of the pesticide effect are ensured.

The utility model discloses an airflow pulverization device for wettable powder pesticide, which relates to the field of airflow pulverization devices and comprises a tank body, a top cover is mounted at the top end of the tank body through a flange, a feeding pipe is welded on the periphery of the tank body, an inner cavity of the feeding pipe is communicated with an inner cavity of the tank body, and the feeding pipe is connected with the tank body. An airflow crushing mechanism is installed below the outer wall of the tank body, a motor is installed on the periphery of the top cover, the output end of the motor penetrates into an inner cavity of the tank body and is connected with a connecting plate, an inclined plate is rotatably installed at one end of the connecting plate, and a connecting ring is rotatably installed at one end of the inclined plate; and a discharging pipe is fixedly connected to one end, positioned on the connecting ring, of the inner wall of the tank body. By arranging the rotation reset mechanism, the inclined plate of the turbine can rotate in the revolution process, and the rotating inclined plate extrudes and crushes materials in the channel, so that the problem that the channel is blocked is avoided, and the discharging speed is prevented from being influenced.

The invention relates to thiophanate-methyl wettable powder and a preparation method thereof, and belongs to the technical field of pesticides. The wettable powder is composed of 60-70 parts of thiophanate-methyl microcapsule active compound, 15-20 parts of modified kaolin, 4-6 parts of compound wetting dispersant and 5-9 parts of white carbon black. The thiophanate-methyl microcapsule active compound is prepared by coating an active compound and an Arabic gum-maltodextrin-cation modified starch ternary composite wall material, modified kaolin is modified by KH550 and polyethylene glycol 400, and the compound wetting dispersant is compounded by sodium dodecyl benzene sulfonate and polyoxyethylene ether acrylate with the ethylene oxide number of 10-12 (0.8-1.2): 1. The problems that an existing product is poor in wettability, prone to caking and uneven in dispersion are solved, the preparation technology is matched with conventional equipment, and industrial continuous production can be achieved.

The present application relates to the technical field of pulverization control, in particular to a wettable powder particle size control method based on an airflow pulverizer, which first analyzes the uniformity of the equivalent particle size distribution of each pulverization monitoring position at each sampling time to determine the corresponding particle size uniformity; thereby comprehensively evaluating the corresponding material state value from the aspects of particle size uniformity and particle size; then determines the corresponding reference pulverization air pressure based on the size of the material state value relative to the prior standard state value and the prior standard pulverization air pressure; further analyzes the three dimensions of the material state value, the average particle size and the reference pulverization air pressure to comprehensively determine the speed regulation factor of each pulverization monitoring position; and thereby adaptively determines the speed of the regulating classification impeller at the outlet position of each pulverization chamber based on the speed regulation factor, so that the effect of producing the wettable powder according to the speed of the regulating classification impeller is better.

A novel wettable power or water dispersible granule for agrochemical formulations. Said wettable power or water dispersible granule comprising dispersants, mineral based fillers, and microorganism or microbes. Where the dispersants in particular are selected from acrylic copolymers and copolymer of acrylic acid with hydrophobic monomers and alkylacrylate of a monoalkyl polyethylene glycol. The fillers are in particular mica particles coated with metal oxide, kaolin, silica, or calcium carbonate. A pre-blend is also provided for forming the formulation. There is also provided the use of said wettable power or water dispersible granule for treating vegetation to control pests by applying the formulation, or use for seed coatings.