206results about How to "Reduce Fertilization Costs" patented technology

The invention discloses an organic / inorganic slow-release fertilizer for flowers and a preparation method of the slow-release fertilizer. The organic / inorganic slow-release fertilizer is prepared from the following raw materials in parts by weight: 45 to 55 parts of horse manure, 20 to 30 parts of wheat bran, 15 to 25 parts of brewer's grains, 12 to 18 parts of flour beetle frass sand, 10 to 15 parts of residual tea, 5 to 10 parts of edible fungi waste, 18 to 26 parts of sorgo straw, 10 to 15 parts of mung bean shells, 5 to 10 parts of sugar beet meal, 1 to 3 parts of spawn powder, 16 to 22 parts of yellow phosphorus furnace slag, 20 to 30 parts of obsidian, 17 to 24 parts of hectorite, 10 to 15 of parts zeolite 4A, 32 to 44 parts of ammonium nitrate, 22 to 28 parts of ammonium hydrogen phosphate ammonium dihydrogen phosphate, 8 to 14 parts of potassium carbonate, 2 to 3 parts of diaminoferric xanthohumate, 3 to 6 parts of sugar calcium, 4 to 8 parts of sodium metasilicate, 15 to 20 parts of polyvinyl alcohol, 5 to 10 parts of carboxymethyl cellulose, 9 to 16 parts of hydroxypropyl xanthan gum, 2 to 4 parts of algal polysaccharides, and 3 to 5 parts of polyglutamic acid. The fertilizer provided by the invention is high in nutrient amount and high and long in fertilizer efficiency, can improve soil, enables soil to form granular structures, and harmonizes water and gas in soil to enable flowers to grow up well and quickly, thereby improving the quality and the yield of flowers and lowering the fertilization cost; important economic benefits are brought.

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.

The present invention belongs to the field of slowly releasing fertilizer technology, and the coated slow releasing fertilizer has components including urea or nitrogen fertilizer, phosphate fertilizer and potash fertilizer, urease inhibitor, lightly burnt magnesia, fused calcium magnesium phosphate, zinc oxide, humic acid and refined bentonite. All the components are set inside pelletizing disc and sprayed with water solution of sulfuric acid, coating material is coated on to the surface of urea, and through further cold wind treatment and sieving; the coated slow releasing fertilizer is produced. The present invention has controlled slow releasing of fertilizer components to meet the requirement for crop to grow, and can reduce fertilizer consumption, prevent the environmental pollution of fertilizer, and improve soil quality.

The invention discloses a production method of an earthworm cast-based ecological organic fertilizer. The production method comprises the following steps of: selecting organic solid waste with carbon-nitrogen ratio of 1:23-28 as a matrix, wherein the water content is 52-68 percent and the pH value is 6-7; inoculating 1-2 kg of Daping No. 2 earthworms into the matrix every square meter at 15-25 DEG C; separating continuously produced earthworm cast to serve as a raw material for producing the organic fertilizer; adding a rotten organic fertilizer which is inoculated with antagonistic bacteria into the earthworm cast; after performing amplification culture on the beneficial microorganisms therein; adding an insect repellent plant material therein according to the amount which is 0.5-4.5 percent of the weight of the materials; uniformly mixing to obtain the ecological organic fertilizer. The production method has the characteristics of rational design, convenience in operation, large-scale application and environmental friendliness; the prepared organic fertilizer has a good application effect and high applicability; and the produced organic fertilizer integrates the characteristics of a microbial fertilizer, an organic fertilizer and an inorganic fertilizer and has the characteristics of multiple functions, multiple effects and full nutrition.

The invention discloses a preparation process for an organic-inorganic compound fertilizer. The preparation process comprises the following steps of: after reacting nitric acid with lignite, obtaining lignite nitrification humic acid-containing organic matter precipitate by filtering and separating; matching the lignite nitrification humic acid with an inorganic fertilizer; respectively preparing into lignite nitrification humate-urea secondary fertilizer granules and lignite nitrification humate-formaldehyde sustained-release composite granules; and obtaining the organic-inorganic compound fertilizer. A humic acid raw material is extracted by oxidizing the lignite with the nitric acid, so that the humic acid and fulvic acid are improved remarkably; and therefore, the production cost of a humid acid fertilizer can be reduced and resource is saved. The organic-inorganic compound fertilizer can improve soil nutrient status and granular structures and meets the growth demand of crops.

The invention relates to an anti-disease greenhouse vegetable fertilizer which is characterized by comprising bacterial enzyme with effective viable count of (2.0-3.0)*10<9>CFU / 9, shale, straw powder, dry chicken manure, bone meal, fish meal, soybean meal, borax, magnesium sulfate, ferrous sulfate, potassium dihydrogen phosphate and manganese sulfate. The greenhouse vegetable fertilizer consists of bacterial enzyme, organic matters and microelements and can comprehensively meet the growth and development needs of crops and increase the output by over 15%; the fertilization cost is reduced, and the output-input ratio is increased by over 18%; and moreover, the greenhouse vegetable fertilizer enhances the ability of resisting pest and disease damage of crops, and can perfectly prevent gray mold, leaf mold, anthracnose, early blight, late blight, leaf spot disease and the like.

The invention discloses an amino calcium compound fertilizer and a manufacture method thereof; a finished product is manufactured by mixing raw material, zeolite, with carbamide, monoammonium phosphate and agricultural lemery after the zeolite is crashed; then feeding the mixture into a liquid melt storage slot; adding self-produced compound amino complex compound mixture after melting, fully and uniformly stirring the mixture, using a rotary nozzle pelletizer to pelletize; dropping spherical materials after pelleting in a prilling tower, drying and cooling the spherical materials by the air in the tower, and then carrying out sieving, measuring and packaging. The technique of the invention is simple, the manufacture cost is low and the prepared amino calcium compound fertilizer has the following advantages of: stimulating the plants to grow and improving crop output; upgrading crop quality and increasing the contents of protein, vitamin and sugar; having the effect of pesticide, reducing pesticide amount and reducing pesticide remnant amount; improving soil environment and promoting fertilizer soil productivity; improving and activating the soil; adjusting the vital movements of the plants and enhancing crop resilience such as drought resistance, cold resistance and lodging resistance, etc.; besides, the fertilizing cost is low, the ratio of output to input is high and economic benefit is good.

The fertilizer specially for eucalyptus consists of saccharomycetes, organic matter, humic acid, nitrogen fertilizer, phosphate fertilizer, potash fertilizer, etc. The present invention has the following advantages of capacity of meeting the requirement for eucalyptus to grow to raise the growth of eucalyptus by over 20 %; lowered fertilizer applying cost; capacity of raising the resistance of eucalyptus to control diseases; and capacity of improving soil, raising water and fertilizer keeping ability of soil and protecting environment.

The invention discloses a planting method for the high yield of rice. The method comprises the following steps: A, soil detection and recipe: determining the organic-inorganic compound fertilizer with a reasonable recipe; B, seed selection: selecting a generalized variety with high yield as a seed; C, cultivation: carrying out timely seeding on March 20th to March 25th, adopting humidified seedling culture and dry land seedling culture, and carrying out the standardized cultivation with alternate wide and narrow rows; D, recipe fertilizer application: carrying out the heavy basic dressing and carrying out the top dressing at young ear formation stage complementarily; and E, comprehensive pest prevention and control: 7 to 10 days after planting, applying the herbicide for the rice field once, applying the insect destroying pesticide once at the early stage of tiller so as to prevent and control paddy borers. The method can reduce the amount of applied chemical fertilizer by about 50 percent, reduce the industrial energy consumption, reduce the environmental pollution and farmland pollution, improve the product quality, alleviate the damage caused by diseases and insects, particularly the sheath blight, facilitate the production of nuisance free rice, and realize the stable and high yield and remarkable benefits.

The invention discloses a urea-ammonium mixed nitrogen fertilizer and a production method thereof, wherein the urea-ammonium mixed nitrogen fertilizer contains the raw material components by weight: 300-600 parts of urea ammonium nitrate solution, 180-400 parts of ammonium chloride, 20-250 parts of ammonium sulfate, 10-100 parts of ammonium bicarbonate, 20-100 parts of bentonite, 20-80 parts of potassium nitrohumate, 10-50 parts of boric acid, 0.2-0.7 parts of diethyl aminoethyl hexanoate, 1-6 parts of liquid anti-blocking agent, and 0.5-1 part of additive. The urea-ammonium mixed nitrogen fertilizer provided by the invention has advantages of high fertilizer utilization rate, high crop yield, soil improvement and fertility betterment, low cost, simple technology, safety application and high benefit.

The invention discloses a biological fermentation fertilizer and a preparation method of the biological fermentation fertilizer. The biological fermentation fertilizer consists of mountain soil, soil modifying agents, rice bran, starch and enzyme microorganism according to a certain proportion. The preparation method comprises the following steps of A, starch or brown sugar, rice bran, enzyme microorganism and mountain soil preparation; B, material mixing: a, the starch or the brown sugar is dissolved by water and is uniformly spread on mixed raw materials of the rice bran and the enzyme microorganism, and the stirring is carried out while spreading; b, the mountain soil is added, and in addition, water is added to regulate the water content to be 45 percent; and c, a clean mat is used for covering; C, pile turning: the pile turning is carried out each day; D, fermentation: the fermentation is completed; E, drying: the materials are spread into thin layers on the cement ground for natural drying; F, inspection; and G, package. The biological fermentation fertilizer and the preparation method have the advantages that the product recipe is reasonable, the method is easy to implement, the operation is simple and convenient, beneficial microorganism floras are conveyed to soil cultivation layers, the ecological environment of the soil is improved, the physical and chemical properties of the soil are improved, the crop growth is promoted, the crop quality is improved, the fertilizer consumption is reduced, and the cost is saved.

The invention discloses a farmland fertilization apparatus having irrigation function and allowing adjustment on fertilization quantity. The farmland fertilization apparatus includes a supporting base. A fertilization box is installed on the upper end of the supporting base. A swing frame is arranged on the middle part of the upper end of the fertilization box. A crushing shaft is located inside the swing frame. A crushing motor is connected to the left end of the crushing shaft. A material discharge plate is mounted to the bottom end of the swing frame. A plurality of material discharge holesare uniformly formed in the middle of the material discharge plate. A right swing rod is connected to the right end of the swing frame. A buffer spring is arranged between the right swing rod and thefertilization box in a sleeving manner. A left swing rod is connected to the left end of the swing frame. A wedge is connected to the left end of the left swing rod. A rolling ball is contacted withthe lower end of the wedge. A lifting rod is connected to the lower end of the rolling ball. A lifting piston is connected to the lower end of the lifting rod. A piston cylinder is arranged outside the lifting piston. A driving box is installed on the middle of the right end of the fertilization box. The farmland fertilization apparatus achieves both fertilization and irrigation functions, so thatirrigation equipment is unnecessary. Meanwhile, the fertilization quantity can be adjusted, so that fertilization demands on different crops and different soil environment can be satisfied.

The invention relates to a fertilizer special for modified charcoal flue-cured tobacco. The fertilizer comprises modified tobacco stem charcoal particles, solubilizing phosphorus and a solubilizing potassium nitrogen fixation agent, ammonium nitrate, calcium superphosphate, hyper phosphoric acid, potassium nitrate, and magnesium sulfate, and further comprises borax, zinc sulfate, ferrous sulfate and ammonium molybdate. The fertilizer special for the granular charcoal-based flue-cured tobacco is prepared by adopting modified tobacco stem charcoal particles which are rich in carbon micropores and stronger in adsorption performance, compounding with the modified tobacco stem charcoal particles with nitrogen, phosphorus, potassium and other nutrient elements required by flue-cured tobacco growth and development and adopting bentonite or clay as an adhering agent. The fertilizer is simple in preparation process, economic and environmental friendly, capable of effectively supplying the demand of nutrient elements in the whole growth period of the flue-cured tobacco through once application, high in fertilizer utilization rate, and beneficial to large-scale popularization and application in the production of the flue-cured tobacco; and the fertilization cost and the energy consumption are reduced.

The invention relates to fertilizers, and in particular relates to a slow-release water supply type fertilizer and an application thereof. The slow-release water supply type fertilizer comprises the following components: water and fertilizer together accounting for 94-99.5 percent in total, a thickening agent accounting for 0.50-5.00 percent in total, and a slow release agent accounting for 0.00-1.00 percent. Moisture and fertilizer nutrients contained in the slow-release water supply type fertilizer provided by the invention are slowly released to the root of a plant through biodegradation effects, so that soil is capable of providing the moisture and the nutrients to the plant for a long period of time.

The invention relates to a special controlled release fertilizer containing high-efficiency calcium and iron nutrition for apples as well as a preparation method and application thereof. The special controlled release fertilizer for the apples comprises controlled release calcium fertilizer, controlled release iron fertilizer, 4 percent recoverable thermoplastic resin coated urea, 6 percent recoverable thermoplastic resin coated urea, diammonium phosphate and granular potassium sulphate, wherein the controlled release calcium fertilizer is prepared from calcium chloride, grass carbon and urea as raw materials by coating; and the controlled release iron fertilizer is prepared from ferrous sulfate, grass carbon and urea as raw materials by granulating according to the prior art. The invention further provides a preparation method and application of the special controlled release fertilizer for the apples. According to the special controlled release fertilizer disclosed by the invention, the effectiveness of calcium and iron ions is remarkably improved, the calcium and iron nutrition meets the maximum absorbing requirement of apple tress, the fertilizing cost is reduced and the quality of the apples is improved.

The invention discloses a method for culturing clanis bilineata walker by utilizing kudzu vine. The method comprises the following steps of: (1) kudzu vine planting and field management; (2) clanis bilineata walker stocking, catching and marketing; and (3) kudzu root harvesting and seedling reservation through pruning. The method disclosed by the invention has the advantages of three-dimensional culture, great leaf quantity, less diseases, non-lodging, long culture cycle, high acre yield of clanis bilineata walker and no overlapped stubble of perennial; and by utilizing the method disclosed by the invention, kudzu roots can be harvested simultaneously and processed into kudzu powder with a health-care function, thus the method is beneficial to the further improvement of clanis bilineata walker culture benefits.

The invention relates to a marine polysaccharide inorganic and organic composite controlled release fertilizer and a process for producing the same, belonging to the technical filed of fertilizer for corps. The marine polysaccharide inorganic and organic composite controlled release fertilizer comprises the following raw materials: 0.5-10wt% marine polysaccharide, 8-15wt% urea, 10-14wt% calcium superphosphate, 6-15wt% complex potassium salt and 30-65wt% seaweed meal, nitrogen-enriched bacterium and bacillus mucilaginosus are used as effective microbes, and others are common household organic fertilizers. The process comprises the following steps: (1) weighing the raw materials in certain mass percent; (2) homogenizing the raw materials for 10-20min; (3) granulating by disc atomizing; (4) drying the particles obtained by the step (3); (5) cooling the dried particles by normal temperature air cooling; (6) grading the cooled particles by a rotary screen; (7) coating the product surface with mixed water solution spray of marine polysaccharides and seaweed meals; and (8) measuring and packaging. The process has the advantage of scientific and reasonable process technique, and the produced fertilizer has the advantages of quick-acting, long-acting, synergy, water holding and controlled release. Various effects which can effect long time are achieved by fertilizing one time, so that the labor intensity of farmers is lightened, and the effectiveness and economy of fertilizing is improved.

The invention relates to the fertilizer technology, and in particular relates to a long-lasting potassium sulphate type compound fertilizer special for sugarcanes, which comprises the following components in parts by pure nutrient weight: 14-22 parts of nitrogen, 4-12 parts of phosphorus pentoxide, 12-18 parts of potassium oxide and 0.07-0.26 part of combined biochemical inhibitor, wherein the combined biochemical inhibitor is prepared from a urease inhibitor and a nitrification inhibitor, the urease inhibitor is composed of hydroquinone (IIQ) and N-butyl thiophosphoric triamide (N-NBPT), the nitrification inhibitor is composed of dicyandiamide (DCD) and 3,4-dimethyl-phenyl-piperazinium (DMPP), and the weight ratio of the urease inhibitor to the nitrification inhibitor is (0.8-1.5):(1.2-2.5). The long-lasting potassium sulphate type compound fertilizer special for sugarcanes disclosed by the invention has the advantages of being reasonable in formula, proper in price, long in fertilizer effect period and high in fertilizer utilization rate and is capable of reducing application frequency and obviously prompting growth and development of sugarcanes and sugar accumulation; the yield of sugarcanes is increased by 12.8%; the sucrose content is increased by 5.2%; the long-lasting potassium sulphate type compound fertilizer special for sugarcanes disclosed by the invention is worthy of popularization and application.

The invention relates to an intelligent integrated fertilization system with capacity of biogas slurry application. The system comprises a water and fertilizer blending module, a water and fertilizerfiltering module, a water and fertilizer conveying module, a field monitoring and control module and an intelligent control module, wherein the water and fertilizer blending module is used for diluting biogas slurry and testing soil for formulated fertilization to meet the nutritional requirement of crop growth; the water and fertilizer filtering module is used for filtering the diluted water soluble fertilizer and the biogas slurry; the water and fertilizer conveying module is used for sufficiently mixing the matched biogas slurry and water soluble fertilizer and conveying the mixture througha pipeline; the field monitoring and control module is used for monitoring field weather information and crop growth information; the intelligent control module can realize automatic generation of anapplication operating account and can automatically control operation of all the modules through neural network and deep learning. The water and fertilizer blending module, the a water and fertilizerfiltering module, the water and fertilizer conveying module and the intelligent control module are highly integrated to an integrated box, labor can be effectively saved, labor intensity is reduced,and the system operates stably, is suitable for various irrigation pipeline systems, can scientifically and efficiently apply the biogas slurry, fertilizer and water and improves irrigation quality and efficiency.

The invention discloses a special fertilizer for high-tower urea-formaldehyde slow-release bananas and a preparation method thereof, relating to the technical field of agricultural fertilizers. The special fertilizer for high-tower urea-formaldehyde slow-release bananas is prepared from urea, monoammonium phosphate, potassium chloride, formaldehyde, humic acid, calcium magnesia phosphate fertilizer, EDTA (ethylene diamine tetraacetic acid) chelated boron and additives. Compared with common fertilizers, the fertilizer disclosed by the invention can obviously enhance the yield and greatly reduce the fertilizer application frequency, thereby saving the labor cost, enhancing the economic benefit and being worthy of popularization and application.

The invention relates to a gliding arc discharge and nitrogen fixation generation device for foliage dressing of facility agriculture. The device comprises a discharge unit for forming a gliding arc to generate plasmas to excite air to generate NOx active groups and a nitrogen fixation unit for mixing the plasmas from the discharge unit with water to form liquid nitrogen fertilizer. According to the gliding arc discharge and nitrogen fixation generation device, nutritional supplementation can be performed on crops, and the effective absorptivity of the crops to the fertilizer can be improved; sterilization can be performed while the dressing cost is reduced, and therefore the bacterium infecting probability of the crops is decreased; active substances in the liquid nitrogen fertilizer are easy to decompose, and therefore environmental pollution is reduced.

The invention relates to the technical field of high-quality crops planting, and particularly relates to a planting method of selenium-enriched rice; the planting method of the selenium-enriched rice includes steps of rice seedling cultivation, transplanting and rice fertilization; according to the planting method, base fertilizer is applied to the transplanting rice before transplanting the rice seedling for 1-3 days; after completing the seedling transplanting for 10-15 days, the selenium-enriched fertilizer is applied; the selenium-enriched fertilizer includes selenium-enriched compound, potash fertilizer, silicon fertilizer, nitrogen fertilizer and phosphatic fertilizer; at the beginning period of rice panicle emergency and flowering, the rice is further added with selenium-enriched fertilizer. The planting method has good practicability and promotion prospect.

The present invention discloses the production process of plant type organic fertilizer for bamboo shoots. Excrement of farm animal is produced into the plant type organic fertilizer through mixing while adding crushed crop stalk, adding probiotics, adding vegetative pest repelling matter, stacking to ferment, drying and packing. The organic fertilizer produced through modern technological process with microbial technology has excellent physical property, proper nitrogen fertilizer, phosphate fertilizer and potash fertilizer proportion, high fertility and function of inhibiting underground pests. The organic fertilizer is especially suitable for bamboo shoots as well as vegetable and other crops.

The invention belongs to the field of organic compound fertilizers and relates to a production method of a natural pumice loss-controlling organic compound fertilizer. The fertilizer in the prior art has serious loss, causes the environmental degradation and brings great harm to human beings. The production method has the following steps: taking raw material fertilizers of nitrogen, phosphorus and potassium, mixing with natural pumice powder which is smashed into 120 meshes and an organic fertilizer, uniformly stirring, preparing into mixed raw materials, then granulating, drying, screening, weighing and packaging. The weight of natural pumice in the fertilizer accounts for 10-30% of the total weight of the fertilizer; and the content of organic matters is 10-20%. The content of the nitrogen, the phosphorus and the potassium in the fertilizer is 20-40%. The production method has the advantages of simple production process and convenient use, and can control the nutrient loss, protect the ecological environment, reduce the fertilizer application cost, improve the utilization rate of the fertilizer, improve the physical and chemical properties of the soil and promote the stable and high yield of crops.

The invention relates to a winter wheat slow release fertilizer and a preparation method thereof. The winter wheat slow release fertilizer is characterized by comprising the following components in percentage by weight: 41% of normal superphosphate, 4% of potassium chloride, 1.8 to 2.5% of dicyandiamide, 4.2 to 6.5% of humic acid, 3 to 5% of kieselguhr or clay and the balance of urea. As the trial shown, the conventional fertilizing method of basal dressing and topdressing based on a certain ratio is completely changed by the winter wheat slow release fertilizer on the production of the winter wheat; by adopting the winter wheat slow release fertilizer, the basal dressing is only carried out once within the whole-growth period of the winter wheat, and no topdressing is needed along with the growth of the winter wheat, so that the fertilizing cost is reduced, the output and the quality of the winter wheat can be relatively improved, and the economic benefit is increased as well as the ecological benefit.

The invention discloses a preparation process for producing a tobacco organic compound fertilizer by utilizing animal manure. The preparation process is characterized in that: the fermentation process comprises the following stages: the first stage: mixing fresh pig manure with straw or bacterial residues, adding into a special stainless steel fermentation tank after mixing, heating to 70-90 DEG C, simultaneously uniformly adding a strain, performing fermentation operation, simultaneously performing stirring operation during the heating process, stirring to enable the temperature of contents to be uniform, killing harmful bacterial and insect eggs, switching off after heating for a period of time, maintaining at the temperature of 70-90 DEG C by relying on heat energy of fermenting organisms, and taking out of the tank after 12-24h; the second stage: adopting an air inflation pump and an air inflation pipeline to perform high-pressure air inflation and accumulation for further fermentation so as to realize further loss of part of water; and the third stage: adding trace elements, uniformly stirring, then granulating, further spraying a functional microorganism fertilizer on the surface, and bagging.

The invention discloses multi-element biological organic fertilizer for fertilizing soil fertility and improving soil and a preparation method of the multi-element biological organic fertilizer. The multi-element biological organic fertilizer is prepared from the following components and raw materials in weight percent: 5%-15% of potassium humate, 5%-15% of potassium fulvic acid, 4%-8% of bean pulp, 4%-8% of cottonseed meal, 4%-8% of ammonium sulfate, 4%-10% of diammonium phosphate, 0.5%-1.5% of zinc sulfate, 1%-3% of ferrous sulfate, 0.5%-1.5% of borax, 0.4%-0.6% of microbial preparation, 0.4%-0.6% of ammonium molybdate, 0.5%-1.5% of manganese sulfate, 0.4%-0.6% of polyaspartic acid, 2%-4% of EDTA (Ethylene Diamine Tetraacetic Acid), and 40%-60% of poultry excrement, and the summation of the weight percentages of the components is 100%. The invention further provides the preparation method of the multi-element biological organic fertilizer. The multi-element biological organic fertilizer is efficient, simple in manufacturing, easy to operate, and low in cost; the additional values of the poultry excrement, the bean pulp and the cottonseed are further improved while the poultry excrement pollution problem is solved.

The invention discloses a method for promoting the high yield of hickories, overcoming the defects of easy soil erosion, overmuch labor, great investment, high fertilization cost, difficult rich yield, and the like of a traditional reclaiming and fertilizing method for the high yield of hickories. The method comprises the following steps of: increasing the surface areas of harmless, high-yield and good-quality hickory branches; adding water according to a weight ratio of 1:(30 50); boiling the water for 10-30 min; cooling to obtain hickory parent branch liquid; pouring nutrients, such as nitrogen, phosphorus, potassium, and the like, generally needed by the hickories, into the hickory parent branch liquid; evenly stirring to obtain a hickory nutrient solution; and drilling holes on stalks of the hickories and injecting the hickory nutrient solution into the holes. The invention is used for hickories, has low fertilization cost, fertilizer saving, no soil erosion, accurate and lasting fertilizer effect and high and stable yield.

The invention discloses a lotus root planting method comprising the specific steps of land preparing, planting, and fertilizing. Urea is adopted as a nitrogen fertilizer. Calcium superphosphate is adopted as a phosphorous fertilizer. Potassium sulfate is adopted as a potassium fertilizer. The method has the advantages of high yield, high fertilizer utilization rate, and the like.

The invention discloses a water-retention and slow-release inorganic fertilizer for potato, and a preparation method thereof. The inorganic fertilizer is prepared from, by weight, 32-46 parts of urea, 24-32 parts of ammonium phosphate sulfate, 8-14 parts of potassium nitrate, 15-20 parts of ammonium bicarbonate, 12-18 parts of struvite, 1-2 parts of ammonium octamolybdate, 6-12 parts of phosphorus slag, 8-14 parts of limestone, 2-3 parts of magnesium chloride, 1.5-2.5 parts of ammonium ferrous sulfate, 0.5-1.5 parts of borax, 5-10 parts of sodium carboxymethyl starch, 7-13 parts of hydroxyethyl methyl cellulose, 18-24 parts of polyvinyl alcohol, 20-25 parts of polyacrylamide, 9-16 parts of sodium alginate, 4-8 parts of hydroxypropyl xanthan gum and 35-45 parts of composite stone granule. The inorganic fertilizer has the advantages of reasonable formula, balanced nutrition, excellent water-retention and slow-release performances, effective prevention of water and nutrient loss, improvement of the fertilizer nutrient and soil water utilization rates of potato, meeting of nutrition demands of potato in different growth stages through one-time fertilization, great reduction of the fertilization cost, reduction of pest diseases of the potato, and improvement of the output and the quality of the potato.