197results about How to "Reduce the number of sprays" patented technology

The present invention provides a tetrazoyloxime derivative which is less likely to cause chemical injury to useful plants and is also superior in chemical efficacy to a conventional hetero ring-substituted oxime derivative. A tetrazoyloxime derivative represented by the general formula (1): <CHEM> X represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a cyano group, a methanesulfonyl group, a nitro group, a trifluoromethyl group, or an aryl group; A represents a 1-alkyltetrazoyl-5-yl group or a 5-alkyltetrazoyl-1-yl group; and Het represents a pyridyl group having a substituent or a thiazoyl group having a substituent, and a plant disease controlling agent containing the same as an active ingredient are disclosed.

The invention discloses a bio fertilizer that takes nitrogen, phosphorus and potassium as carriers and evericin mixture as desinsection component. The bio fertilizer comprises evericin mixture, ammonium sulphate, monoammonium phosphate, lemery, borax, zinc sulfate, green copperas, calcium powder, rootage agent, brown sugar, chicken manure, pepper powder, peanut cake or castor cake. The invention is suitable for various vegetables and melon and fruit crops; after application, the fruits of the crops grow right, the crops can ripe early and the flower is good-looking; the invention decreases the application of agricultural chemical, improves the output and melon and fruit saccharinity, saves cost about 20-30 percent; besides, the invention can effectively inhibit the increase of root nematode have special effect on white fly, the invention has the advantages of fertilizing effect as well as agricultural chemical effect, thus having very good practicality value.

The invention provides a method for preparing a controlled-release nano-pesticide preparation. The method comprises the following steps: emulsifying components of the nano-pesticide preparation to form an initial emulsion; and then performing high-pressure homogenization to form a fine emulsion to prepare a wall-material-coated nano-pesticide preparation. The method is simple, easy to operate and good in repeatability, and the prepared nano-pesticide preparation is small in grain size, favorable in grain dispersity and excellent in controlled-release performance.

The invention provides a preparation method and application of a liquid selenium-rich fertilizer. The preparation method of the liquid selenium-rich fertilizer comprises the following steps: dissolving sodium selenite in water to form original mother solution, concentration of the sodium selenite being 30-50 g / l; mixing the original mother solution with amino acid solution with a mass concentration of 15%-20%, a volume ratio of the original mother solution to the amino acid solution being 1:(2-3), and shaking and chelating at 35-45 DEG C for 48-72 h to obtain chelate; adding 1-3 g of sodium alkyl benzene sulfonate per liter of the chelate, stirring and secondarily chelating with alcoholic fermentation filtrate at 25-35 DEG C for 36-48 h, the volume ratio of the alcoholic fermentation filtrate to the chelate being 1:(0.8-1.2) to obtain the liquid selenium-rich fertilizer. In the technical scheme of the invention, 90% or more of inorganic selenium is converted into organic selenium such as selenomethionine and selenocystine, toxin and harm risks are eliminated, and materials are saved.

The invention belongs to the technical field of agricultural fungicides, in particular to a bactericidal composition containing cyazofamid and an application thereof. The composition adopts the cyazofamid and another fungicide component B for complexing, the fungicide B is at least one selected from propamocarb, flumorph, cymoxanil, dimethomorph, fosetyl-aluminum, oxadixyl, metalaxyl, metalaxyl-Mand chlorothalonil, the composition is used for controlling a variety of diseases caused by pathogenic fungi and particularly applicable to controlling downy mildew, blight, downy blight and the likeof fruits, vegetables and a plurality of crops, and the composition has significant synergy and can better overcome and retard the drug resistance of pathogens.

The invention discloses an application of Typhlodromips swirskill Athias-Henriot for controlling pest mites in farmlands and orchards. Being taken as the effective natural enemy of twenty crop pest mites, the Typhlodromips swirskill Athias-Henriot is applied to production practice for controlling pest mites on fruit trees, and controlling pest mites on cotton, corn and hops.

Into Bordeaux mixture, effective nutritive components and other nutritive assistant are added to compound wettable powder of nutritive Bordeaux mixture. Suspension, thickener and other components are added to make the Bordeaux mixture dispersed in water fast to form stable suspension. Compared with traditional Bordeaux mixture, the present invention has homogeneous spraying and no blocking of the nozzle, and the atomized drop after drying can attach to leaf for long time to resistance rain flushing. The new type of germicide has less consumption and raised economic and environmental utility.

The invention provides a preparation method and an application of a special rice selenium-enriched leaf fertilizer. The preparation method of the special rice selenium-enriched leaf fertilizer comprises the following steps: dissolving sodium selenite into water to prepare a primary mother solution, wherein the concentration of sodium selenite is 25 to 50g / l; mixing the primary mother solution with an amino acid solution, wherein the mass concentration of the amino acid solution is 15% to 20%; then vibrating and chelating at the temperature of 35 to 45 DEG C for 48 to 60 hours to obtain a chelation solution; evenly mixing the chelation solution and an aqueous solution of a mono-silicic acid to prepare a mixed solution; adding 1 to 3g of sodium alkyl benzene sulfonate into each liter of the mixed solution, then stirring with an alcoholic fermentation filtrate at the temperature of 25 to 35 DEG C, and performing secondary chelation for 36 to 48 hours, so as to obtain the special rice selenium-enriched leaf fertilizer. With the adoption of the technical scheme of the preparation method, 90% or more of inorganic-form selenium is converted into organic-form selenium in selenomethionine, selenocystine and the like, the risk of poison is eliminated, the absorption and conversion rate of the selenium is increased, the use amount of the sodium selenite is reduced, and the cost is lowered.

The invention discloses a road traffic dustproof device, including a guardrail arranged on a road. The road is provided with a compressed air cavity. A specialized air inlet is arranged on the compressed air cavity. A pressing plate is slidably connected in the compressed air cavity in a sealed mode. The upper end of the pressing plate is fixedly connected with a rate-limitingbelt through a supporting rod. According to the road traffic dustproof device, the waste of water resources is reduced through use of rain collected by a water-collecting bucket; and water in the water storage cavity is sprayed out after a vehicle drowns out the rate-limiting belt for multiple times, the number of spraying water can be self-adjusted according to traffic flow amount.The larger the traffic flow amount,the more times of spraying water while the smaller the traffic flow amount, the less times of spraying water.A pure mechanical structure is adoptedand hence, compared with the prior art, the product is more safe and stable, and safety hazards such as short circuit, circuit breakand the like do not happen, and hence a service lifeis long.

The invention discloses an inhibitor with sustained release property and a preparation method thereof, and the inhibitor is characterized by comprising the following steps of preparing a polymer emulsion by evenly mixing 10-20% of polymer, 79-89% of solvent and 1% of surfactant according to the percentage of the total weight of the prepared emulsion, further adding 4-9 times of the weight of the polymer emulsion of an inorganic salt type inhibitor, stirring for 2-3 hours at the temperature of 40-50 DEG C, drying an obtained product for 6-8 hours at the temperature of 60-80 DEG C, smashing and then obtaining the inhibitor product with the sustained release property. The preparation method is simple and easy to operate, the obtained product can be sustainedly released during the prevention and control process of coal spontaneous combustion of a mine, thereby prolonging the time of flame retardance; the residual polymer is covered on a coal layer, thereby also playing the roles of oxygen isolation and inhibitation; furthermore, the polymer can utilize waste plastics, and the preparation and the using process can not cause harm to environment, thereby having great application prospect.

The invention discloses a multi-functional liquid plant protection film agent. Natural raw materials such as fulvic acid, rice bran wax and mixed fat are emulsified to form thick water emulsion, and the emulsion belongs to green, low-carbon and environmentally-friendly products which are developed in a sustainable mode. The emulsion with water is sprayed on the full surfaces of plants to form a liquid film, before the liquid film is solidified, the film can paste pathogenic bacteria, spores of the bacteria, soft pests and ova of the pests and block pest air holes to enable the pests to be inactivated and stifle, the pathogenic bacteria, the spores of the bacteria, the soft pests and the ova of the pests are attached to the surfaces of the plants, after the film is naturally solidified, a solid protective micro film layer which can not be seen by naked eyes is formed on the surfaces of the plants, and seals and protects the plants, the film layer repels and isolates encroaching of multiple diseases and pests on crops and has the functions of conserving water, resisting drought, preventing freezing, preventing dry hot (cold) wind, preventing rain and preventing lodging, the use number of pesticides and the use amount of chemical fertilizer can be reduced, environment and food safety can be protected, meanwhile, labor intensity of farmers can be reduced, investment by the farmers can be reduced, and the aim that the production and income are greatly increased is achieved.

The invention discloses a manufacturing method of an environment-friendly snow / ice melting composition, which comprises the following steps: manufacturing a snow melting A, manufacturing a ray absorbent B and manufacturing a long-acting additive C. The composition comprises the following components in percentage by mass: 50ppm-2% of ray absorbent B and 200ppm-2% of long-acting additive C and the balance of snow melting agent A. The application range of the composition is 0--60 DEG C, and the snow melting property can be adjusted according to demands. The snow / ice melting composition can fully utilize solar energy and waste heat emitted by vehicles running on the road, has long effective acting time of snow / ice melting, and does not damage the pavements, buildings and metal box plants; and the molten water can satisfy the biological oxygen demand index in Natural Discharge Standard. The composition is simple in production technique, convenient to use and easy for popularization.

The invention relates to a medicament-fertilizer mixture for preventing and controlling crop virus diseases, which consists of moroxydine hydrochloride and soluble salts of calcium, manganese and copper elements, wherein the components have following portions by weight: the moroxydine hydrochloride has 4.0 to 60.0 portions, the calcium element has 0.2 to 30.0 portions, the manganese element has 0.1 to 20.0 portions, and the copper element has 0.1 to 20.0 portions. The medicament-fertilizer mixture can be widely used for preventing and controlling virus diseases of paddy rice, tobacco, watermelon, tomato and other crops. The medicament-fertilizer mixture for preventing and controlling the crop virus diseases realizes a dual-purpose medicament, has improved preventing and controlling effect, and can supply the crops with mineral nutrients and improve the yield and quality of crops.