62results about How to "Comprehensive fertilizer effect" patented technology

The invention provides a method for preparing a calcium-silicon-potassium-magnesium soil conditioner. The method comprises the following steps: A, preparing raw materials; B, grinding; C, calcining; D, water quenching; E, crushing; F, granulating; and G, drying. According to the preparation method, potassium-containing shale is utilized to prepare calcium-silicon-potassium fertilizer, so that potassium in the calcium-silicon-potassium fertilizer is sufficiently utilized as potassium fertilizer, and silicon oxide in the calcium-silicon-potassium fertilizer is sufficiently utilized to produce excellent silicon fertilizer; limestone and dolomite added into production are sufficiently utilized to produce calcium fertilizer and excellent soil conditioners; the raw materials are sufficiently utilized and converted into fertilizer, and the fertilizer cannot cause soil acidification, alkalization and hardening after being applied, the commodity quality and product quality of crops can be remarkably improved, and the crops have higher nutritional value.

The invention relates to a highly-active humic acid microbial inoculant. The highly-active humic acid microbial inoculant comprises 0.2-5% of an inoculant, 95-99.8% of an auxiliary material, and 0.01-0.3% of an activator; the inoculant comprises 50-70% of an endotrophic inhibition bacterium and 30-50% of a beneficial synergistic bacterium; and the auxiliary material comprises 50-80% of an organic material and 20-40% of active humic acid. The microbial inoculant has the characteristics of reasonable compatibility of florae, large quantity of beneficial bacteria of a product, high biological activity, stable effects, and lasting fertilizer efficiency, has disease control and growth promotion effects, can be used for producing green and organic vegetables as a typical good product, can improve the soil fertility when applied to soil, degrades pesticide residual in soil, inhibits soil borne diseases, performs a replant resistance, promotes the absorption of plants to nutritional elements, improves the fertilizer utilization rate, enhances the immunities of the plants, enhances the stress resistances of the crops, promotes the root development, and finally improves the output and quality of the crops.

The invention discloses a special fertilizer for wampee and a preparation method of the special fertilizer. The special fertilizer is prepared from the following ingredients in parts by weight: 20 to 25 parts of urea, 10 to 12 parts of diammonium phosphate, 16 to 18 parts of potassium sulphate, 1 to 1.5 parts of slaked lime, 0.5 to 1 part of magnesium sulfate, 1 to 1.5 parts of potassium sulphate, 1 to 1.5 parts of boracic acid, 0.01 to 0.1 parts of citric acid chelated zinc, 0.01 to 0.1 parts of copper sulfate, 0.01 to 0.1 parts of manganese sulfate heptahydrate, 0.01 to 0.1 parts of sodium molybdate, 0.01 to 0.1 parts of ferric trichloride, 0.1 to 0.2 parts of amino acid chelated selenium, 5 to 8 parts of disinfection insecticide, 4 to 6 parts of crop straw, 5 to 8 parts of thoroughly decomposed animal excrement and 3 to 5 parts of peanut hull powder. The special fertilizer has the advantages that the proportion content is reasonable; medium-element calcium, magnesium and sulphur fertilizers, trace-element boron, zinc, copper, manganese, molybdenum and ferrum fertilizers and amino acid chelated selenium fertilizers are contained; meanwhile, the sterilization pesticide, the crop straws, the thoroughly decomposed animal excrement and the peanut hull powder are contained; the effect of eliminating plant diseases and insect pests for fruit trees is achieved; rich nutrition ingredients are also provided for wampee fruit trees; in addition, the utilization rate of the fertilizer is improved; wide development prospects and good economic benefits are realized.

The invention provides a microbial fertilizer special for slope artificial soil. According to operating environment, components and a nutrient supply characteristic of the slope artificial soil, the microbial fertilizer is prepared by effectively compounding raw material components of a microbial agent, polyacrylamide, sodium lignin sulfonate, attapulgite powder, stalks and livestock manure under certain conditions. The microbial fertilizer has obvious effects of accelerating circulation of nutrient elements of soil, increasing supply of active ingredients of the soil, improving physiochemical properties of the soil and promoting revegetation.

The invention provides a composite microbial fertilizer using fermented filter cakes as a medium and a production method thereof. In the method, fermented filter cakes from the production of gourmet powder are used as raw materials and are mixed with slaked lime, the mixture is ground, the fermenting photosynthetic bacteria, bacillus subtilis and bacillus mucilagimosus krassilm are absorbed by turf respectively, the separately absorbed single bacteria are mixed in a ratio of 1.5-2.5:1.5-2.5:1, the mixed bacterial are added into the fermented filter cake raw material in a ratio of 5 to 15 percent, an inorganic fertilizer is added, the mixture is mixed, and thus, the composite microbial fertilizer is obtained. The composite microbial fertilizer can be used for fertilizing farm lands as well as aquiculture and can improve the yield and quality of aquiculture effectively.

The invention discloses a preparation method of an agricultural organic fertilizer by treating pure straws as a raw material. The preparation method is characterized in that the preparation method comprises the following steps: 1, respectively screening, separating, purifying, rejuvenating and culturing Nocard's bacillus, Bacillus megaterium, Lactobacillus plantarum, thermophilic Bacillus licheniformis and Hypocrea virens, and transferring the above strains to an industrial fermentation tank for fermentation; 2, taking all strain culturing solutions in proportion, mixing, adsorbing with an adsorption carrier, and drying at a temperature of below 28DEG C to a composite inoculant having a water content of below 30%; and 3, inoculating the composite inoculant to a fermentation carrier, spraying water to the water content of 55-65%, and carrying out stacking fermentation at 58-72DEG C for 25-35 days while uniformly overturning once every two days to obtain the pure straw fermented organic fertilizer. The organic fertilizer has the advantages of promotion of the effective recovery and utilization of straws, increase of the diseases prevention capabilities of crops, improvement of the soil structure, and improvement of the product quality.

The invention belongs to the technical field of fermentation and discloses a new technology for extracting L-glutamine. The new technology for extracting the L-glutamine comprises the following steps: fermenting, carrying out micromembrane filtration, concentrating, crystallizing, carrying out ion exchange, recrystalizing, and preparing a fertilizer. The new technology for extracting the L-glutamine has the advantages that fermentation efficiency is high, an extraction technology is easy and feasible, environmental protection and no pollution are realized, and waste materials are changed into things of value.

The invention relates to a fruit tree cultivation method which particularly comprises the steps of pruning, watering, fertilizing, temperature controlling, intercropping, tree strengthening, ridging, growth controlling and flower promoting, disease and pest preventing and control and the like. The fruit tree cultivation method is characterized in that a simple and practicable fertilizing method is achieved, and especially fertilizer variety selection and fertilizing method selection are achieved. Compared with the prior art, the fruit tree cultivation method is simple, practicable and good in fertilizer efficiency.

The invention belongs to the technical field of fertilizers and discloses a bio-organic fertilizer with a soil remediation function. The bio-organic fertilizer is prepared from the following raw materials in parts by weight: 10-12 parts of an ingredient A, 4-6 parts of an ingredient B, 3-5 parts of an ingredient C and 1-2 parts of a microbial preparation. The bio-organic fertilizer disclosed by the invention has a relatively good fertilizer effect, can be used for removing pesticide residues from soil and can be used for remedying contaminated soil.

The invention relates to a cotton package fertilizer and a fertilization method thereof, and belongs to the technical field of fertilizers. The cotton package fertilizer includes a base fertilizer, a seedling stage fertilizer, a bud stage fertilizer, a blossoming and boll-forming stage fertilizer, and a boll opening stage fertilizer; the base fertilizer and the seedling stage fertilizer each comprise 15-20 parts by weight of nitrogen, 15-25 parts by weight of phosphorus, 8-16 parts by weight of potassium and 1-5 parts by weight of an organic mass auxiliary material; the bud stage fertilizer comprises 15-25 parts by weight of nitrogen, 12-25 parts by weight of phosphorus, and 10-20 parts by weight of potassium; the blossoming and boll-forming stage fertilizer and the boll opening stage fertilizer each comprise 12-20 parts by weight of nitrogen, 15-23 parts by weight of phosphorus, 8-16 parts by weight of potassium and 1-5 parts by weight of an organic mass auxiliary material; the organic mass auxiliary material comprises humic acid. The package fertilizer has rich nutrient elements and has high utilization rate of nutrient substances. The fertilizers corresponding to growth stages are applied to cotton according to different growth stages of the cotton, the stress resistance of the cotton can be enhanced, the yield and quality of the cotton are improved, and the input and waste of the fertilizers are reduced.

A fertilizer special for roses comprises the following raw materials in parts by mass: 15 parts of N, 7 parts of P, 8 parts of P, 10 parts of amino acid, 10 parts of humic acid, 5 parts of microelements, 4 parts of rare earth elements, 8 parts of a water-retaining agent, 7 parts of a soil conditioner, 6 parts of a fertilizer synergist, 3 parts of a fertilizer controlled-release agent, 3 parts of a continuous cropping-resistant agent and 2 parts of a straw rotting agent. The fertilizer special for the roses is quick, lasting and comprehensive in fertilizer efficacy; the fertilizer special for the roses has high activity and lastingness of an organic fertilizer and a biofertilizer, has a fast-acting property of an inorganic fertilizer and has specificity of a microbial fertilizer and a bacterial fertilizer; the fertilizer special for the roses has a relatively good ion exchange function and a relatively good soil pH value-adjusting function, and can improve the structure of a soil aggregate so as to achieve special breathing, fertilizer-retaining, water-retaining, heat-preserving, drought-resisting and cold-resisting efficacies; the fertilizer special for the roses enables seedlings to grow tidily and strongly, enables roots to be developed, can reduce diseases and pests, enables stems and leaves to grow strongly, can ensure high fruit-setting ratio and high yield, and can increase the yield by more than 30%.

The invention relates to a fertilizer and particularly relates to a compound fertilizer. The compound fertilizer disclosed by the invention consists of beer residue, urea, dipotassium phosphate, potassium sulphate, median nutrient elements, borax, manganese sulfate, molybdenum ammoniate heptahydrate and compound strains. The compound fertilizer disclosed by the invention is fast, long-term and comprehensive in fertilizer efficiency, not only has high activity and long residual action of an organic fertilizer and a biological fertilizer, but also has the specificity of a micro element fertilizer and a bacterial fertilizer. The compound fertilizer contains full-value nutrient elements required by plants and scientific in matching, and the utilization rate and fertilizer efficiency of the compound fertilizer can be greatly improved.

The invention belongs to the technical field of biological fermentation and discloses a simulated moving bed and a method for extracting a three-branch chain amino acid based on the simulated moving bed. The method comprises: performing micro-filtration membrane filtration and four-effect concentration to obtain a sequential simulated moving bed chromatography, separating, decoloring and concentrating and crystalizing the mother liquor, drying the moving bed, preparing a fertilizer by use of wastewater and the like. The method is capable of reducing wastewater emission and energy consumption, and the wastewater also can be used for producing the fertilizer; and double benefits can be achieved.

The invention relates to a synchronous nutrition controlled-release fertilizer specially used for litchis. The controlled-release fertilizer is prepared by evenly mixing reaction film forming polymer sulfur coated urea with 30-90 days of release period, urea, diammonium phosphate, calcium magnesium phosphate, potassium chloride and borax. The synchronous nutrition controlled-release fertilizer is simple in technology; due to the nutrient releasing characteristic of the controlled-release fertilizer and the nutrient absorbing law of the litchis, the single controlled-release fertilizers with different release periods and partial quick-acting fertilizers are compounded with each other; and the nutrients are scientific in proportion, so that the synchronous nutrition controlled-release fertilizer not only has the long residual action, but also has the quick-acting property and the special effects of microelement; the nutrients can be released in the whole tree-age growth cycle, the nutritional conditions of the litchi growth period can be obviously improved, the use ratio and the fertilizer efficiency of the fertilizer can be greatly improved, and the problem of high cost caused by the independent use of controlled-release fertilizer can be solved, thus, not only the production cost can be reduced, but also the economic benefit can be improved, and the synchronous nutrition controlled-release fertilizer is wide in application prospect.

The invention discloses a novel alginic acid leaf fertilizer. The leaf fertilizer comprises the following main components in percentage by weight: 15-25 percent of a seaweed concentrated solution, 25-35 percent of monopotassium phosphate, 20-30 percent of urea, 6-10 percent of trace elements, 0.5-1 percent of a complexing agent and the balance of water. According to the novel alginic acid leaf fertilizer disclosed by the invention, the leaf fertilizer is reasonable in ingredient supplement and moderate in cost, the various nutrient materials in the seaweed concentrated solution are organically combined, and the effect is fully exerted. Meanwhile, due to the added multiple nutritional ingredients, the growth needs of plants are effectively supplemented, so that the fertilizer efficiency of the leaf fertilizer is stable and comprehensive.

The invention belongs to the field of plant cultivation technology, and relates to a synchronous nutrition controlled-release fertilizer specially used for dragon fruits. The fertilizer is prepared by evenly mixing 3-6% reaction film formation polymer coated urea, 3-6% reaction film formation polymer coated compound fertilizer, urea, diammonium phosphate, potassium chloride, calcium-magnesium-phosphorus and magnesium sulfate. Due to the nutrient releasing characteristic of the reaction film formation polymer coated urea and the nutrient absorbing law of the dragon fruits, the single controlled-release fertilizers with different release periods and partial quick-acting fertilizers are compounded with each other, so that the obtained controlled-release fertilizer is long and comprehensive in fertilizer efficiency, and is scientific in nutrient proportion, so that the utilization rate of the fertilizer and the fertilizer efficiency are greatly improved. The synchronous nutrition controlled-release fertilizer specially used for the dragon fruits has good effects proved by field experiments, thus providing support for the development of the industrialization of the dragon fruits.

The invention relates to an anaerobe processing agent organic liquid fertilizer, which mainly uses feces of livestock and poultry and sewage thereof as raw materials and uses water as an auxiliary material, and is characterized in that the raw materials are fresh feces without sediments, impurities and toxic harmful chemicals in 120 hours at most and sewage thereof; the auxiliary material is waterwhich accords with the hygienic standard of national drinking water; concentration ratios of the raw materials and the auxiliary material are that the dry material of the raw material accounts for 6to 12% of total material liquid; the auxiliary material accounts for 88 to 94% of the total material liquid. A preparation method of the anaerobe processing agent organic liquid fertilizer is characterized in that the material liquid for processing, before entering an anaerobic fermentation processing device for industrial big production, firstly is discharged into a biogas digester in a centralized mode for strain culturing and primary anaerobic fermentation, then the material liquid of which each index is qualified by detection is fed into the anaerobic fermentation processing device to be subjected to further anaerobic fermentation until processing is completed. The anaerobe processing agent organic liquid fertilizer has the advantages of rich raw material resources, low production cost, good market prospect, large profit margin and prominent fertilizer efficiency.

The invention belongs to the technical field of navel orange planting and in particular discloses special organic fertilizer for planting navel oranges. The special organic fertilizer for planting the navel oranges is prepared from the following components: 22 to 23 parts of peanut bran, 22 to 32 parts of soybean meal, 12 to 16 parts of sludge, 9 to 14 parts of navel orange fall leaf composted sludge, 4 to 6 parts of earthworm powder, 4 to 7 parts of an enzyme, 10 to 16 parts of navel orange peel, 5 to 9 parts of tea leaf dreg, 4 to 6 parts of chitosan, 2 to 4 parts of humic acid, 0.5 to 1.5 parts of a microelement additive and 1.5 to 2.4 parts of traditional Chinese medicine powder. The organic fertilizer disclosed by the invention can be used for improving physicochemical properties of soil, improving the water storage rate of the soil and improving the fertility keeping capability of the soil and can also be used for promoting normal growth and development of the navel oranges, enhancing the stress resistance and plant disease resisting performance of the navel oranges, improving the utilization efficiency of nutrients, increasing the yield and the improving the quality of the navel oranges, so that the special organic fertilizer is a preferable fertilizer source capable of producing organic navel oranges.

The invention discloses a method for preparing compound fertilizers capable of increasing the yield of yellow peaches. The method includes steps of mixing biogas residues, waste from slaughter housesand tea seed meal with one another to obtain first mixtures, adding EM (effective microorganism) microbial agents into the first mixtures, carrying out hermetic fermentation, adding sucrose and protease into fermentation products, uniformly mixing the sucrose, the protease and the fermentation products with one another to obtain second mixtures and allowing the second mixtures to hermetically stand still to obtain pre-prepared materials; mixing corn germ meal and hydrochloric acid with each other to obtain first mixtures, heating and stirring the first mixtures, filtering, drying and cooling the first mixtures, adding urea into the first mixtures to obtain second mixtures, grinding and sieving the second mixtures, adding oxalic acid and absolute ethyl alcohol into the second mixtures to obtain third mixtures, carrying out reflux stirring, distilling, and cooling on the third mixtures to obtain pretreated urea; uniformly mixing the pre-prepared materials, the pretreated urea, diaminoferric xanthohumate, ammonium molybdate and manganese humate with one another to obtain mixtures and granulating and drying the mixtures to obtain the compound fertilizers capable of increasing the yieldof the yellow peaches. The method has the advantages that the compound fertilizers prepared by the aid of the method are long in fertilizer efficiency and scientific in proportion, and requirements on various nutritional components can be met at the middle and late growth stages of the yellow peaches; the compound fertilizers are nontoxic, safe and reliable and are lasting in fertilizer efficiency, and the obtained yellow peaches contain abundant nutrition and have bright colors and luster, good taste and excellent colors.

The invention discloses an efficient organic fertilizer for planting tea leaves and a preparation method of the efficient organic fertilizer. The efficient organic fertilizer contains the following raw materials in parts by weight: 42-48 parts of a mixed organic matter, 30-36 parts of formaldehyde, 24-30 parts of urea, 20-26 parts of diammonium phosphate, 22-28 parts of silicon dioxide microspheres, 32-34 parts of a water-retention matrix, 12-18 parts of extinction micropowder wax, 24-26 parts of bentonite powder, 14-16 parts of zeolite powder, 6-8 parts of a surfactant and 1-2 parts of microelements. The invention aims at providing the efficient organic fertilizer for planting the tea leaves. The efficient organic fertilizer is pollution-free and environment-friendly and has an excellentslow-release effect, good fertilizer efficiency, relatively high use values and good application prospects.

The invention belongs to the technical field of fertilizer, and discloses a preparation process of a bio-organic fertilizer. The preparation process comprises the following steps: uniformly mixing and stirring a microbial preparation and an ingredient A to obtain a mixture I, culturing the mixture I at the temperature of 30 DEG C for 12 hours, then charging an ingredient B and an ingredient C, stirring for 3 minutes at a speed of 100 turns per minute, and finally carrying out the low-temperature drying and granulation to obtain the bio-organic fertilizer. The preparation process is simple and easy, short in process flow and low in cost.

The invention discloses a special organic fertilizer for tea trees and a preparation method thereof. The special organic fertilizer for the tea trees is prepared by fermenting chicken manure, corn straw, soybean straw, rice bran, red clover, sulfur powder, an enzyme and an EM microbial agent twice; the obtained organic fertilizer is completely fermented, has high bioactivity and comprehensive fertilizer efficiency, can make soil be weakly acidic, and can promote the growth of tea leaves and increase the contents of nutritional components in the tea leaves.

The invention relates to the field of fertilizer production, and in particular relates to a method for preparing a citrus production increase fertilizer. The method comprises the following steps: (1) drying and crushing corn till the granularity of 30-50 meshes, adding white vinegar, and performing mixing fermentation so as to obtain fermented corn powder, wherein the mass ratio of corn to white vinegar is (15-20):0.1; and (2) crushing wheat straw, soybean straw and pine needles, adding wood bits, soaking for 20-24 hours in salt water of 65-75 DEG C, and filtering off water, thereby obtaining mixed filter residues. The citrus production increase fertilizer provided by the invention is comprehensive and long-lasting in fertilizer efficiency, is capable of improving soil activity, preventing soil hardening and improving structures of microorganism colonies in soil, is good in dissolubility and can be easily absorbed by citrus trees, citruses can be rich in juice and tender in pulp, the stress resistance of the citruses can be improved, flowers and fruits can be maintained, and the yield can be remarkably increased.

The invention relates to a special controlled release formula fertilizer for oil palm, belonging to the technical field of slow / controlled release fertilizers. The special controlled release formula fertilizer is characterized by comprising the following raw material components in parts by weight: 50-100 parts of 60-day reaction film-forming polymer coated urea, 100-150 parts of 120-day reaction film-forming polymer coated urea, 50-150 parts of 120-day reaction film-forming potassium sulphate, 50-150 parts of urea, 50-250 parts of diammonium phosphate, 150-250 parts of potassium sulphate, 10-30 parts of magnesium sulfate, 1-10 parts of zinc sulfate and 1-20 parts of borax. The special controlled release formula fertilizer has the beneficial effects of being high in fertilizer efficiency, complete in fertilizer efficiency, releasing nitrogen, phosphorus and potassium nutrients as required, reducing the fertilizer loss, protecting the ecological environment, being long in fertilizer efficiency period, reducing the labor force, being capable of greatly reducing the fertilizing times, and realizing the reduction of the fertilizing times, thereby reducing the labor cost and increasing the income.

The invention discloses a liquid compound fertilizer. The liquid compound fertilizer is prepared from the following raw materials in parts by mass: 0.1-0.5 part of glycine, 10-50 parts of glycerin, 30-45 parts of wheat malt slurry, 20-25 parts of corn oil, 10-25 parts of diammonium hydrogen phosphate, 10-50 parts of maifanite powder and 10-35 parts of a microbial liquid; and the bacterial liquid is prepared by mixing of a bacillus megaterium bacterium liquid obtained by fermentation of bacillus megaterium, a bacillus subtilis bacterium liquid obtained by fermentation of bacillus subtilis, a bacillus licheniformis bacterium liquid obtained by fermentation of bacillus licheniformis, a bacillus mucilaginosus bacterium liquid obtained by fermentation of bacillus mucilaginosus, and a streptomyces Jingyangensis bacterium liquid obtained by fermentation of streptomyces Jingyangensis according to a mass ratio of (1-4):(1-3):(1-2):(2-6):(1-2). The liquid compound fertilizer provided by the invention has a reasonable formula, and diversified and long-lasting fertilizer effects; because the wheat malt slurry and the maifanite powder are added, absorption of the chemical fertilizer by crops can be improved, and meanwhile soil hardening conditions caused by the fertilizer can be avoided; and the beneficial microorganisms are added, and therefore the fertilizer has good effects of nitrogen fixation and phosphate solubilization, germ resistance, and the ability of enhancing soil fertility and stimulating crop growth.

The invention discloses a biological organic fertilizer as well as a production method and application thereof, belonging to the field of fertilizer. The biological organic fertilizer contains the following components of: not less than 28.0 percent of organic matter (counted by dry basis), not less than 5 percent of nitrogen and not more than 20.0 percent of water, wherein the effective viable count (cfu) is not less than 0.33 hundred million / gram (milliliter); the pH value is 5.5-7; the fecal coligroup count is not more than 100 / gram (milliliter); the mortality rate of ascaris eggs is not less than 90 percent; and the validity period is not less than 6 months. The biological organic fertilizer protected by the invention has effects of microbial fertilizer and organic fertilizer; and wastes can be changed into valuables so as to protect environment.

The invention relates to a special bio-organic fertilizer using DDGS as a main material for tobacco fermentation. The special bio-organic fertilizer comprises the following raw materials in parts by weight: 67-81 parts of DDGS, 10-14 parts of rapeseed cake, 10-14 parts of biogas residue, 1.5-2.5 parts of mother liquor, 0.05-0.15 part of nutrient element, 0.06-0.1 part of amino acid, 1.5-2.3 partsof humic acid, 0.01-0.02 part of medium trace element, 0.05-0.2 parts of heat-resistant enzyme, 0.05-0.1 part of thermophilic microbial inoculum, 0.3-0.7 part of ammonium sulfate and 1-2 parts of branpowder. the special bio-organic fertilizer has the beneficial effects that the special bio-organic fertilizer for the fermented tobaccos is high in fertilizer efficiency, long in fertilizer efficiency and comprehensive in fertilizer efficiency; the fertilizer has the high activity and long-term effect of organic fertilizers and biological fertilizers, and also has the fast-acting property of inorganic fertilizers and the special effect of microelement fertilizers and bacterial fertilizers, has complete nutrient elements required by plants, and is scientific in proportion. The beneficial biological strains in the special tobacco fertilizer produced by the invention can accelerate rapid cyclic decomposition of substances, release of various nutrient elements, nitrogen fixation, phosphate solubilization and potassium solubilization, promote photosynthesis of plants, and greatly improve the utilization rate and fertilizer efficiency of the fertilizer.

The invention relates to the field of agriculture, and in particular relates to a compound fertilizer and a preparation method thereof. The compound fertilizer comprises the following raw materials: nitric acid, phosphorite, ammonium nitrate and ammonia NH3, wherein the mass adding ratio of nitric acid to phosphorite to ammonium nitrate to ammonia NH3 is 1: (1-2): (1.5-3): (0.05-0.3), and also comprises ammonium sulfate, and / or monoammonium phosphate and / or potassium sulfate. The method for preparing the compound fertilizer comprises the following steps of: A, treating the phosphorite by using nitric acid through chemical reaction; B, treating the reaction product obtained in the step A, ammonium sulfate, and / or monoammonium phosphate and / or potassium sulfate by using ammonia NH3, and / or controlling the moisture to be 12-28 percent; C, treating the reaction product obtained in the step B by using ammonium nitrate, and / or controlling the moisture to be 1-5 percent; D, granulating; and E, packing. By the method, water solubility of calcium in the compound fertilizer can be improved.

The invention discloses a peanut special fertilizer processing technology. The peanut special fertilizer is prepared from 35-50 parts by weight of corn stalks, 20-25 parts by weight of chicken feces,10-20 parts by weight of cow dung, 20-35 parts by weight of soybean meal, 15-25 parts by weight of Chinese medicine residues, 30-50 parts by weight of plant ash, 3-8 parts by weight of EM bacteria, 6-10 parts by weight of urea, 5-10 parts by weight of humic acid, 5-10 parts by weight of amino acids, 5-10 parts by weight of potassium chloride and 10-15 parts by weight of diammonium phosphate. The peanut special fertilizer can effectively balance the soil fertility, inhibit the serious soil degradation, stimulates the growth of the root system of the plant, and promotes the growth of the plant.The special fertilizer has the advantages of quick action, long fertilizer efficiency, comprehensive fertilizer efficiency, high absorption and utilization rate of peanuts, obvious effects of increasing yield and peanut quality improvement.

The invention relates to the technical field of planting, in particular to a cultivation method for improving the starch content of dry lotus roots. The method includes the following steps: cultivated field selection and soil improvement, and field management. During cultivated field selection and soil improvement, a sloping field with loose soil, a flat terrain and good ventilation and drainage properties is selected, and land parcels of the cultivated field are deep ploughed for 40-50 cm 1-2 months before dry lotus root planting, fine harrowed 3-5 days before sowing to make the soil fully smashed, and then furrowed; planting holes are dug in furrows, the distance between each two planting holes is 50-70 cm, soil regulators A are added in the planting holes, one third of topsoil is backfilled, soil regulators B are then added, one third of topsoil is backfilled, and remaining topsoil is mixed with homemade fertilizers for backfilling. The field management includes the following steps: planting, topdressing management, tillage and weeding, and pest control. The method has the advantages of improving the yield of the dry lotus roots and the starch content of the dry lotus roots and increasing the income of farmers.