75results about How to "With increased production" patented technology

The invention relates to plant source disease resistance type foliage fertilizer and the preparation method thereof. The raw material comprises the components as follow: burdock extracting liquid, burdock oligose, monopotassium phosphate, medium and minor elements such as Mg, Zn, Mn, Fe and Cu, and chelating agent of citric acid. The burdock extracting liquid is diluted and is added into the medium and minor elements and the citric acid for chelation; the burdock oligose and the monopotassium phosphate are added in the mixture and mixed evenly; and surface activating agent is added into the mixture. The chlorogenic acid included in the burdock oligose and the burdock, the components and the preparation process of the invention have no pollution and no harm, and the invention is integrated with alimentation and disease resistance performance, thereby increasing the immunity forces of the plants, increasing the health of the plants and the disease resistance performance, and further increasing the quality and the yield of the plants.

The invention provides a fully-water soluble fertilizer and relates to a fertilizer. The fully-water soluble fertilizer consists of K2SO4, (NH4)2SO4, urea, monoammonium phosphate, fulvic acid potassium, zinc, boron, a plant growth regulator and naphthylacetic acid, and the mass percentage occupied by the components is shown as follows: 30-50 percent of K2SO4, 30-40 percent of (NH4)2SO4, 3-8 percent of urea, 5-15 percent of monoammonium phosphate, 10-30 percent of fulvic acid potassium, 1-3 percent of zinc, 1-3 percent of boron, 0.3-0.8 percent of plant growth regulator and 0.3-0.8 percent of naphthylacetic acid. The fully-water soluble fertilizer has the beneficial effects that the fully-water soluble fertilizer is formed by adopting high-quality imported N, O and K as main materials, adding trace elements, i.e. zinc and boron, mixing auxin DA-6, and refining and processing; the fully-water soluble fertilizer has the effects of cold resistance and drought resistance, enhances the photosynthesis of crops, is a necessary nutrient element for maintaining a chloroplast structure, has remarkable effect on paper plant growth metabolism and facilitates the growth and the development of the crops; the infection risk of cottons, wheat, melons and fruits, and other virus and diseases can be reduced; and the fully-water soluble fertilizer is the high-quality fertilizer for supplanting crop nutrition and has the characteristics of fast dissolution, full dissolution, yield increment, efficiency increment and the like.

The invention provides a multifunctional selenium-enriched controlled-release special fertilizer for rice. The fertilizer is prepared from the following raw materials in parts by weight: 80-200 parts of 3% chitosan coated compound fertilizer, 200-450 parts of 4% chitosan coated compound fertilizer, 50-350 parts of 5% chitosan coated compound fertilizer, 50-200 parts of sulphur water soluble polymer double coated urea, 50-150 parts of potassium chloride, 50-260 parts of monoammonium phosphate, 30-70 parts of sodium selenite, 5-20 parts of EDTA (Ethylene Diamine Tetraacetic Acid) Chelating zinc, 8-30 parts of calcium magnesium phosphate fertilizer and 2-15 parts of borax. The fertilizer provided by the invention is reasonable in proportion of nutrients. By adopting chitosan as a coating material and adding microelements such as silicon and zinc, the cultivation of resilience of rice is enhanced, and the yield-increasing effect is remarkable. As the element selenium is added, the quality of rice products is remarkably improved. The fertilizer is applied once without topdressing all over the year, thereby saving labor and effort.

A multi element organic mineral fertilizer is characterized in composed of ores, multi element materials and organic matters, wherein the ores are medical stones, giner nut stones and tourmaline, the multi element materials are at least one material containing nitrogen, phorsphate or potassium and the organic matters comprise at least one of humic acid materials, crop straws, lignite, peat, bone powder, horn meal and amino acid residue. The ores contain 30-50 portions of medical stones, 10-30 portions of giner nut stones and 10-30 portions of tourmaline, the multi element materials contain 20-40 portions of phosphate ores and / or 20-40 portions of potassium feldspar, and the organic matters are 20-40% of the total mass of the ores and multi element matters. And the ores can further contain 20-40 portions of zeolite. The inventive multi element organic mineral fertilzier can improve yield, improve soil and protect environment, with simple production and application and low cost, which can be used as green fertilizer in agricultural production.

The invention relates to the technical field of crop planting, in particular to a dry-land potato mechanized full-film furrow-ridge cultivating method. The dry-land potato mechanized full-film furrow-ridge cultivating method is mainly characterized by comprising the following steps of (1) preparation before planting; (2) film covering and planting: once finishing planting, fertilization, ridge forming, packing shaping, full-film covering, and soil-lifting soil-placing combined operation, and covering 3 to 5cm of soil on the top of a film above seed potatoes; (3) plant protection: spraying chemicals in 15 to 20 days after planting; using a wheel type tractor, enabling wheels to walk on small ridges, and arranging spray heads according to corresponding row distances; (4) potato harvest. The dry-land potato mechanized full-film furrow-ridge cultivating method has the advantages that mechanized soil lifting, soil separation and film-top soil placement can be realized by the technology, i.e. 3 to 5cm of soil covers the top of the film above the seed potatoes, so that the problem that seedlings cannot break through the film or come up out of soil and are burnt is solved; overall-process mechanization is realized, so that the labor force is saved; the pollution of the broken film for the soil is avoided; a mechanized full-film furrow-ridge cultivating technology is a new agricultural technology and has the advantages of rainwater harvesting, soil moisture preservation, temperature increase, yield increase and the like and has quite remarkable drought-resisting and yield-increasing effects.

The invention belongs to the technical field of ironmaking, in particular relating to a coke passivator and process for preparation. The coke passivator is produced by the raw materials at different part by weight, including 15-30 parts of boracic acid, 15-30 parts of borax, 30-50 parts of high magnesium powder, 5-15 parts of aluminum silicon powder, and 5-20 parts of calcium silicon powder. The coke passivator can uniformly form a layer of protective coating, which can reduce the erosion of the coke caused by CO2, decrease the reactivity of the coke, increase the coke strength after reaction, improve the utilization coefficient and the service life of the blast fumace and reduce the coke ratio. Utilizing the concentration of 0.3kg / t can reduce the reactivity of the coke by 5%, increase the coke strength after reaction by 7% and improve the production of the blast furnace by more than 3%-5%. The invention is an ideal product for blast furnace ironmaking which has the advantages of saving energy, reducing consumption, increasing production, improving benefits and protecting environment.

The invention discloses a special microbial fertilizer for watermelons and a preparation method thereof. The special microbial fertilizer for the watermelons comprises components in a weight ratio as follows: 10-15 parts of furfural residues, 20-30 parts of soybean meal, 15-20 parts of peanut cake, 15-20 parts of corn straws, 10-20 parts of chicken slaughter-house waste, 2-4 parts of ferrous sulfate, 3-5 parts of borax, 1-3 parts of potassium humate, 1-2 parts of bacillus stearothermophilus, 0.8-1 part of mucor, 2-4 parts of plant lactobacillus, 1-3 parts of yeast, 3-5 parts of cellulose, 3-5 parts of a straw leavening agent and 3-5 parts of brown sugar. The special fertilizer for the watermelons can satisfy various nutritional ingredients required by watermelon growth, is nontoxic, flavorless, safe, reliable, lasting in fertilizing efficiency and harmless to human bodies.

The invention relates to a compound inoculant for improvement of saline-alkali soil and particularly provides a novel compound inoculant for improvement of saline-alkali soil, and preparation and applications of same. Bacillus amyloliquefaciens, bacillus megatherium, bacillus mucilaginosus and paenibacillus azotofixans are fermented respectively to obtain fermentation liquids, which are then mixed with a carrier respectively according to certain volume-weight ratio (V / kg); the mixtures are dried at low temperature and finally are compounded according to ratio. The compound inoculant is a powder agent, wherein the microorganisms therein are functional bacteria, and the inoculant is high in living bacteria number and especially contains high-activity metabolic products, so that the compound inoculant is suitable for being mixed with a base fertilizer, especially high-quality farmyard manure, for use. When being applied in soil, high environment adaption capability and high reproduction speed are achieved. The compound inoculant can increase beneficial microbial flora in rhizosphere and rapidly decompose organic substances for absorption and utilization by plants, can reduce the alkalinity of soil, improve fertility of soil and improve the water permeability and retention and breathability properties of the soil, and can accelerate growth of root system and prevent spreading of soil-borne diseases, thereby maintaining ecological balance, reducing cost and improving the saline-alkali soil.

The invention discloses a special disease-resistant and drought-resistant yield-increasing fertilizer for large peaches. The fertilizer comprises the following components: soy meal, dry duck manure, urea, ammonium chloride, calcium nitrate, diammonium phosphate, potassium chloride, magnesium sulfate, zinc sulfate, sodium selenate, ammonium molybdate, copper sulfate, zeolite, vermiculite, fly ash, malic acid, tartaric acid, sodium humate, phosphate solubilizing bacteria, cyanoguanidine, N-butyl thiophosphoric triamide, polyacrylamide, brassinolide and gibberellin. The special disease-resistant and drought-resistant yield-increasing fertilizer for large peaches contains various nutritional components, is reasonable in formula and suitable for the growth of large peaches, and is used for a peach planting process, various nutrients can be fully utilized, the disease resistance and drought resistance of large peaches are improved, and the quality of large peaches is improved.

The long acting composite fertilizer consists of nitrogen fertilizer 9-25 wt%, phosphate fertilizer 10-20 wt%, potash fertilizer 8-15 wt%, zeolite 5-20 wt%, weathered coal or turf 5-30, and proper amount of plant ash and plant extracting synergistic water solution. The long acting composite fertilizer has balanced nutrients, lasting action, high utilization and easy absorption, so that it has the functions of increasing yield, raising effect and promoting maturity.

The invention provides a comprehensive method for soil conditioning and restoration. The method comprises the following steps: before crops are planted or after fruit trees are harvested, oyster shellpowder, silicon-calcium-potassium-magnesium fertilizer, biological organic fertilizer, a biological control agent and ternary compound fertilizer are applied to soil; before the fruit trees are sprouted and bloomed, a macroelement water-soluble fertilizer and humic acid water-soluble fertilizer are applied to the soil; during a swelling period of young fruits of the fruit trees, silicon-calcium-potassium-magnesium fertilizer and a composite microbial bacterial liquid are applied to the soil; and during a fruit strengthening period of the fruit trees, high-potassium fertilizer and seaweed fertilizer are applied to the soil. The method is used for conditioning and restoring the soil, so that the pH of the soil tends to be neutral, and the acidification degree is obviously reduced; the organic matter content of the soil is obviously increased, the soil becomes loose and breathable, and the soil layer is deep and thick; and the heavy metal content in the soil is reduced, so that securityof the planted crops is improved, and the yield is improved. The method provided by the invention does not interrupt growth of the crops in the soil, enables the crops to grow healthily while conditioning and restoring the soil, and improves quality of the crops, so that economic benefits of growers are guaranteed.

The invention provides a bio-compound fertilizer, which is prepared from blue algae and green algae as raw materials. The bio-compound fertilizer has the advantages of good fertilizer effect, short production period and low cost. The invention also provides a compound fertilizer prepared from blue algae, green algae, azotobacter chroococcum and trichoderma as raw materials. The compound fertilizer has the advantages of yield improvement, pathogenic bacterium resistance and saline-alkali soil improvement. The invention also provides a the preparation method of the bio-compound fertilizer provided by the invention. The preparation method has the characteristics that the production period is short; the cost is low; the scaled production can be realized.

The invention discloses an organic fertilizer with an insect expelling function. The organic fertilizer is prepared from the following raw materials in parts by weight: 5-6 parts of Chinese honey locust, 150-155 parts of fresh sheep manure, 10-15 parts of soybeans, 1-2 parts of garlic, 1-2 parts of clove, 1-2 parts of oil residues, 10-20 parts of waste fruit, melon and vegetable peel, 10-20 parts of fish meal, 5-7 parts of radish peel, 1-2 parts of cassava alcohol residues, 4-6 parts of castor cakes, 5-7 parts of poria cocos, 4-6 parts of astragalus membranaceus, 1-2 parts of pepper leaves, 0.01-0.02 part of trichlorfon, 1-2 parts of red-spotted stonecrop, 2-6 parts of typhonium giganteum, 1-2 parts of radix aconiti agrestis and 0.4-0.5 part of an EM fungicide. The organic fertilizer is prepared through secondary fermentation treatment, is easy in obtaining raw materials, is convenient to use, comprehensive in nutrition, has the functions of yield increase and insect expelling, can do no harm to the soil environment, and is free of pollution or agricultural residues.

The invention belongs to the field of fertilizer and provides a fertilizer synergist and a preparation method and application thereof. The fertilizer synergist is prepared from, by weight, 80-90% of activated carbon and 10-20% of rare earth inorganic salt, the total weight of the components accounts for 100%. The preparation method of the fertilizer synergist comprises the following steps that an activated carbon material is smashed and screened to obtain activated carbon, the components are weighed according to the formula of the fertilizer synergist, and the activated carbon and the rare earth inorganic salt are mixed.

The invention discloses a high-yield Majiagou celery soilless cultivation medium. The medium is characterized by comprising the following components by weight: 20 to 25% of chicken manure, 20 to 30% of an organic compound fertilizer, 1 to 2% of a boron fertilizer, 10 to 15% of grass carbon, 8 to 12% of quarry powder, 8 to 12% of algae, 5 to 7% of spinach defatted cakes, 7 to 9% of wheat straw, 2 to 4% of weathered coal, 1 to 2% of bentonite and 4 to 6% of chinaberry seeds. According to the invention, the chicken manure and the organic compound fertilizer provide macroelements like nitrogen, phosphorus and potassium; the bentonite can regulate and improve total porosity, water-holding porosity and aeration porosity of the medium; the addition of the components like the algae and the spinach defatted cakes supplements trace elements like iodine, boron and manganese which are needed for the growth of the celery; thus, the cultivated celery by using the medium has higher nutritional quality and nutritional value. Meanwhile, the cultivation medium provided by the invention has multiple effects of conserving water, saving fertilizer, remarkably increasing yield and strengthening stress resistance.

The invention discloses a slightly water-soluble fertilizer and a preparation method thereof. The method comprises the following the steps of: (1) adding a crosslinking agent into an aqueous solution of a polymer a for reacting, wherein the polymer a is polyglutamic acid, polyvinyl alcohol, polyethylene glycol or polyvinylpyrrolidone; (2) adding an acidifying agent, a crosslinking agent and a mixed monomer into the system in the step (1) for reacting continually; (3) adding an alkalizer and a crosslinking agent into the system in the step (2) for reacting continually, adjusting the pH value to neutral, adding a plasticizer and stirring to obtain a film forming solution, and preparing the film forming solution into a film to obtain a slightly water-soluble material; and (4) granulating thefertilizer and the slightly water-soluble material, and packing with the slightly water-soluble material to obtain the slightly water-soluble fertilizer.

The invention discloses a preparation method of an inorganic clay-biological glue compound water-retention material. Biological glue is added into deionized water, a mixture is heated and stirred intogel, then inorganic clay is added for full stirring and even mixing, and granulation and drying are conducted to obtain the inorganic clay-biological glue compound water-retention material, wherein the inorganic clay is a mixture of red clay and loess, and a mass ratio of the red clay to the loess is 1 to (0.2 to 5). The red clay and the loess not only can reduce the production cost of the soil water-retention material, but also can provide necessary nutrient substances for plant growth; the biological glue has high cohesion action, can prevent water and soil loss and has the performance of inhibiting soil moisture evaporation well and the effects of water retention, soil conservation, fertilizer conservation, yield improvement and the like; the water-retention material prepared through the method has excellent water retention performance, can effectively reduce water loss, improves the soil ecology function, provides good water and soil conditions for plant growth and promotes growthof vegetation or crops.

The invention relates to a Y shaping and trimming method of plums. The Y shaping and trimming method comprises the steps of production of plum seedlings, shaping frame building, fixed planting in a shaping frame, summer trimming, winter trimming and shaping frame removal. According to the Y shaping and trimming method of the plums, the tree shapes are specified and uniform through the shaping frame garden building, a frame of a tree is firm, the ventilation and the light transmission are good, the management is convenient, the result distribution is uniform, the unit area yield is high, the Y shaping and trimming method is suitable for mechanized operation, and the application prospect is wide.

The invention relates to the technical field of fertilizer additives, particularly to a multifunctional slow-release fertilizer additive which comprises the following raw materials in parts by weight: 10-30 parts of dicyandiamide, 5-15 parts of quinhydrone, 10-20 parts of lignin, 0.3-1 part of sodium selenite and 34-74.7 parts of auxiliary material. When in use, the raw materials are proportionally added into an ordinary fertilizer and a compound fertilizer and then mixed to prepare a multifunctional slow-release fertilizer, the preparation method is quite simple, the effective period of the fertilizer can be prolonged to 90-120 days, the utilization ratio of the fertilizer is improved by 20-30 percent, and the invention increases the yield and the income, saves the fertilizer and the labor, achieves one-time fertilization, saves resources and reduces environment pollution, so that the content of biological selenium in crops is increased by 5-10 times, the content of multiple amino acids is increased, and the contents of lysine and cystine thereof are respectively increased by 30 percent and 50 percent. Moreover, people can safely and effectively carry out biological selenium supplement, and the efficacy of preventing and treating diseases and strengthening bodies is achieved.

The invention discloses a special weeding film for fruit trees and a preparation process of the special weeding film. The special weeding film is prepared from the following components in percentage by mass: 65-80% of linear low-density polyethylene, 4-10% of low-density polyethylene, 6-10% of anti-aging masterbatch and 10-15% of light-blocking black masterbatch, wherein the anti-aging masterbatch is formed by reasonably matching, mixing and granulating according to demands. According to the preparation process disclosed by the invention, a conventional ground film blowing unit is adopted, PLC terminal software is adopted for inputting signals, particles which are well matched and mixed are put into a feed inlet of an extruder by a mechanical hand, and screw conveying, homogenization, compression, filtration, molding, traction, air ring cooling, coiling and packaging are performed; and the compression ratio of a mold head is controlled at 4.0-4.5 in molding, and the blow-up ratio of the film is controlled at 3.0-3.5. Compared with general molding requirements, the mechanical strength of the film is improved in comparison with that of the ordinary weeding ground film. According to the preparation process disclosed by the invention, the problems that a small amount of additives is added in the traditional process and the mixing with main raw materials is non-uniform to cause that the product quality is affected are solved, the stability of the product quality is ensured, the frequency of adding the materials is reduced, the time is saved and the product performances are further improved.

The invention provides a balanced type liquid water-soluble fertilizer. The balanced type liquid water-soluble fertilizer contains a nitrogen solution, water-soluble ammonium polyphosphate, water-soluble potassium polyphosphate and potassium chloride and is prepared from, by weight, 390-410 parts of the nitrogen solution, 150-180 parts of the water-soluble ammonium polyphosphate, 200-240 parts of water-soluble potassium polyphosphate, 50-100 parts of potassium chloride, 30-40 parts of chelated-state complex trace elements, 20-30 parts of a surface active agent and 430-550 parts of water. The liquid water-soluble fertilizer is a high-concentration liquid water-soluble fertilizer, N is greater than or equal to 170 g / L, P2O5 is greater than or equal to 170 g / L, K2O is greater than or equal to 170 g / L, and the trace elements are greater than or equal to 5 g / L. The nitrogen utilization rate is 80-82.8%, the potassium utilization rate is 80-82.6%, and the phosphorus utilization rate is 70-73%. The yield increasing rates of the fertilizer used for grapes, tomatoes and melons are 23-24.1%, 18-19.5% and 25-26.4% respectively.

The invention provides a high-efficient active water-soluble fertilizer containing humic acid. Raw materials, including 1,000 to 1,500 parts of water, 40 to 60 parts of humic acid, 15 to 20 parts of citric acid, 24 parts of heptahydrate, 4 parts of boric acid, 12 parts of manganese sulfate monohydrate, 2 parts of cupric sulfate pentahydrate, 2 parts of iron sulfate heptahydrate, 30 parts of potassium hydroxide, 80 to 110 parts of urea, 150 to 200 parts of ammonium nitrate, and 70 to 100 parts of monopotassium phosphate, are mixed; the mixture goes through the preparation procedures of grinding, stirring dissolution, filtering, inspection and packaging to obtain the high-efficient active water-soluble fertilizer containing humic acid. The high-efficient active water-soluble fertilizer containing humic acid provided by the invention can overcome the trace element deficiency of crops, help crops absorb all kinds of necessary trace elements, major elements and organic matters, and be applied through a diversified range of methods; the effects of yield increase and high quality are achieved.

The invention relates to the technical field of fertilizer additives, in particular to a selenium-containing slow-release fertilizer additive and a production process thereof. The additive consists of the following raw materials in part by weight: 5 to 10 parts of dicyanodiamine, 20 to 40 parts of hydroquinone, 20 to 30 parts of lignin, 1 to 3 parts of sodium selenite and 17 to 54 parts of auxiliary material. The additive has selenium-containing and slow-release functions, the slow-release function of the additive can effectively improve the utilization rate of the fertilizer by 20 to 30 percent, and the fertilizer effect period is prolonged to 90 to 120 days. The selenium-containing function can increase the biological organic selenium content of crop seeds, vegetables and fruits by 5 to10 times, improve the amino acid content and improve the lysine content and the cystine content by 30 to 50 percent respectively and is an optimal path for safely and effectively supplementing the selenium for the human body. The production process is simple and feasible, can obtain disposable base fertilizer, and cancels a top application process. The production process has comprehensive benefits of increasing yield, increasing income, saving fertilizer and saving labor, and has significance for saving resources and reducing environmental pollution.

The invention discloses an efficient multifunctional selenium-rich fertilizer and a production process thereof and relates to the technical field of functional fertilizers. The process comprises the steps of taking a 3% chitosan coated compound fertilizer, a 4% chitosan coated compound fertilizer, a 5% chitosan coated compound fertilizer, sulphur coated urea, potassium sulfate, diammonium phosphate, sodium selenite, zinc sulfate and borax as raw materials, mixing materials according to the specified mixture ratio, and obtaining a finished product after stirring uniformly through a mixer, metering and packing. The efficient multifunctional selenium-rich fertilizer is reasonable in nutrient mixture ratio, high in use ratio and significant in effect of production increase of crops and quality improvement.

The invention relates to a jatropha curcas L. germination-accelerating stress tolerance seed soaking agent and a preparation method thereof. In a formula, each liter of jatropha curcas L. germination-accelerating stress tolerance seed soaking agent comprises the following raw materials: 5 to 15 mg of gibberellin, 5 to 20 mmol of calcium chloride, 10 to 20 mmol of betaine, and 0.78 to 0.85 mg of KI, 18.6 to 25.3 mg of MnSO4, 7.9 to 8.8 mg of ZnSO4, 0.12 to 0.28 mg of Na2MoO4, 0.023 to 0.027 mg of CuSO4 and 0.023 to 0.027 mg of CoCl2 which serve as trace elements and the balance of triple-distilled water. By the seed soaking agent, the germination rate of jatropha curcas L. seeds which are normally germinated and are processed at a low temperature under the drought condition can be improved, and the resistance capacity of jatropha curcas L. seedlings on low temperature stress and drought stress can be improved.

The invention provides an organic water-soluble fertilizer comprising a variety of macro elements and trace elements. With the organic water-soluble fertilizer, nutrients needed by crop growth can be comprehensively supplemented, crop better growth can be regulated, crop yield can be substantially improved, dose is low, and cost is low. The fertilizer has good popularization value. According to the organic water-soluble fertilizer, n-butanol and fatty alcohol polyoxyethylene ether are added as leaf penetration wetting agents, such that foliar absorption of nutrients can be improved, and fertility higher-efficiency utilization can be facilitated. A main component of the fertilizer is modified natural high-molecular polysaccharide with relatively high repelling and inhibiting effects against crop pests and diseases. The component can be used for replacing chemical insecticide or fungistat with toxic or side effect in traditional organic water-soluble fertilizers. The novel organic water-soluble fertilizer is safe and environment-friendly. The fertilizer can naturally degrade in the nature, and has the advantage of low dose. Compared to that of traditional organic water-soluble fertilizers, the cost of the organic water-soluble fertilizer provided by the invention is reduced by approximately 10%. The organic water-soluble fertilizer has the three advantages of high efficiency, environment friendliness, and low cost.

The application discloses a pesticide composition and method for curing the cruciferae crop clubroot. The pesticide composition adopts brassinolide or the mixture of brassinolide and other pesticides as an effective constituent, and comprises auxiliaries or fertilizers, wherein the brassinolide comprises one or all of natural brassinolide, 24-epibrassinolide, 22,23,24-epibrassinolide, 28-epibrassinolide, 28-homobrassinolide, 25-methyl-brassinolide and 14-hydroxy-brasinosteroidy; the content of the brassinolide is 0.001 percent to 0.4 percent. According to the application, brassinolide serves as a phytohormone for curing the cruciferae crop clubroot, so as to efficiently prevent the disoperation of the clubroot on a crop.

Special compound microbial fertilizer for corn top dressing comprises double-strain bacterial fertilizer, potassium humate and urea, and is used for top dressing in a five-leaf stage or a bell stage of corn; double strains subjected to mixed fermentation have a significant synergetic effect; an ear bald rate of the corn can be decreased; the row number per ear, the grain number per row, the grain number per ear and the thousand grain weight of the corn are increased; and the yield is increased by 7.3-21.6% as compared with that of different processing control groups.

The invention discloses a planting method of iodine-and-selenium-rich Chinese cabbage. The method is characterized by comprising the following steps that (1) seeds are pretreated by a potassium permanganate solution; (2) soil, matured chicken dung and rice chaff are taken for preparing a nutrition substrate; (3) an iodine-containing nutrition solution is prepared; (4) transplanting is carried out. The substrate in the method is obtained through mixing Jiaozhou high-quality soil and organic fertilizers, organic selenium and the iodine-containing nutrition solution are added into the mixing system, trace elements required by human bodies can be supplemented, the obtained Chinese cabbage is non-toxic and harmless and has no residue, the juice is white, the taste is fresh and sweet, fibers are few, the nutrition is rich, the yield improvement and resistance enhancement effects are achieved, the production cost is low, the method is simple, and the scaled production and popularization can be easily realized.

The invention discloses a preparation technology for dedicated high-efficiency ecological biological organic fertilizer for sweet potatoes and belongs to the technical field of fertilizer preparation.The dedicated high-efficiency ecological biological organic fertilizer for the sweet potatoes is prepared from the following raw materials of traditional Chinese medicine residues, chicken manure, grass carbon, sugar cane bagasse, poplar biochar, potassium fulvic acid, kaolin, urea, mannitol, sodium molybdate, compound bacteria, polyoxyethylene, brassinolide and chitosan oligosaccharide. The dedicated high-efficiency ecological biological organic fertilizer for the sweet potatoes is prepared by the steps of fermenting, concentrating, smashing, granulating and the like. After the fertilizer disclosed by the invention is used, a disease and pest rate of the sweet potatoes can be reduced, and an average acre yield of the sweet potatoes is improved.