477results about How to "Reduce the frequency of fertilization" patented technology

The invention relates to a water-holding and cultivating functional compound fertilizer, comprising a nitrogen fertilizer, a phosphate fertilizer a potash fertilizer, a trace element fertilizer, a compound amino acid, a soil conditioner, an organic matter and the like. In addition, the invention relates to a preparation method of the water-holding and cultivating functional compound fertilizer. The invention also relates to use of the water-holding and cultivating functional compound fertilizer for improvement of the growth characters and/or yield of crops.

The invention provides a method for preparing a special compound biological medicine fertilizer for apple trees, which comprises the following raw materials in parts by weight: 30-40 parts of kitchen wastes, 20-30 parts of tobacco straws, 10-15 parts of plant ash, 10-15 parts of distillers' grains, 16-18 parts of potassium humate, 10-12 parts of bird feathers, 18-22 parts of modified fly ash, 12-14 parts of urea, 11-13 parts of ammonia water, 14-16 parts of diammonium phosphate, 13-15 parts of potassium sulfate, 11-13 parts of calcium superphosphate, 2-4 parts of cnidium fruit, 2-4 parts of aloe, 3-5 parts of eucalyptus leaves, 2-4 parts of pharbitis seed, 3-5 parts of cyrtomium rhizome, 0.5-0.8 part of zinc sulfate, 0.8-1.0 part of magnesium sulfate, 0.7-0.9 part of boric acid, 0.4-0.6 part of fermentation preparation and a proper amount of citronella oil. After various organic wastes are mixed and fermented to produce green organic fertilizers, the environmental pollution is reduced, the fermented organic matter is mixed with the inorganic fertilizer, the Chinese herbal medicine juice (citronella oil) with insecticide properties is added, the nutrition is more comprehensive, and the bactericidal effect is increased; the fertilizer has the advantages of obviously improved fertilizer utilization ratio, single time of application, effective slow release, reduced fertilization frequency, reduced fertilizer cost and improved economic benefit; and after the application of the fertilizer, the quality of the apple trees can be effectively improved, and the yield can be improved.

The invention discloses synchronous nutrition fertilizers, preparation methods thereof and applications thereof. The synchronous nutrition fertilizers comprise four formulas consisting of a high nitrogen formula, a high nitrogen potassium formula, a high potassium formula and an equalization formula, and the synchronous nutrition fertilizers of the four formulas respectively comprise a base fertilizer and a resin coating controlled release component adapted to the base fertilizer. The synchronous nutrition fertilizers of the invention can be applied to the one-time fertilizing of short-growth period field crops or the less-time afterfertilizing of long-growth period or perennial economic crops. The preparation methods of the invention not only allow the nutrient proportion of the fertilizers to satisfy demands of crops, but also allow the speed, the quantity, the proportion of nutrition elements of nutrients in the fertilizers to be controlled to basically fit the demands of nitrogen, phosphor and potassium of the crops with various growth periods. An organic cooperation of the fertilizers of the four base formulas of high nitrogen, high nitrogen potassium, high potassium, and equalization with the resin coating controlled release component is provided in the invention to solve a present limitation that one formula fertilizer only corresponds with the nutrition demands of one or one type crop.

The invention discloses special slow release fertilizer for grapes. The fertilizer is prepared from, by weight, 100-120 parts of brewery wastewater, 50-80 parts of sugar refinery wastewater, 20-30 parts of vinasse, 80-90 parts of corncob powder, 50-60 parts of peanut hull powder, 30-40 parts of wheat bran, 60-90 parts of residues of oil manufacture, 50-60 parts of smooth vetches, 70-80 parts of sweet clovers, 60-80 parts of azoila imbricata, 5-8 parts of zeolite powder, 10-12 parts of activated carbon, 30-50 parts of horse manure, 20-40 parts of goat manure, 35-45 parts of chicken manure, 20-30 parts of silkworm excrement, 1.2-2 parts of superphosphate, 0.08-0.1 part of borax, 3-5 parts of complex enzyme preparations, 8-12 parts of complex fermentation microbial agent, 5-10 parts of nanocarbon, 30-40 parts of residues from a biogas digester, 20-30 parts of humate, 15-35 parts of roots of soybeans, 20-25 parts of dregs of a decoction, 16-25 parts of straw powder and the like. The invention further discloses a preparation method of the special slow release fertilizer for grapes.

An organic-inorganic microbiological water-soluble fertilizer specially used for grape is prepared from following raw materials: potassium fulvate, potassium nitrate, urea, monoammonium phosphate, polyaspartic acid, potassium sulfate, zinc sulfate, ferrous sulfate, borax, a microbiological preparation, copper sulfate, manganese sulfate and EDTA. A preparation method of the fertilizer includes following steps: mixing powdery potassium fulvate, the powdery microbiological preparation and powdery polyaspartic acid uniformly to obtain a mixed material; processing the mixed material at constant temperature to obtain a material A; respectively crushing the urea, the potassium nitrate, the potassium sulfate and the monoammonium phosphate with mixing uniformly to obtain a material B; crushing the zinc sulfate, the manganese sulfate, the ferrous sulfate, the borax, the copper sulfate and the EDTA with mixing uniformly to obtain a material C; mixing uniformly the material A, the material B and the material C to obtain a product. The fertilizer is complete in nutrition, is reasonable in formula, allows crops to absorb easily, has a significant yield-increasing effect, contains organic substances, inorganic substances, bacteria and medium-and-trace elements, is environmental-protective and is free of pollution, and can protect ecological environment and improve farmland soil.

The invention discloses a planting method for obtaining good-quality and high-yield cortex moutan. The planting method for obtaining good-quality and high-yield cortex moutan comprises the steps of land selection, land preparation, seedling growing, timely transplanting, land management and the like. When base fertilizer is applied during land preparation, thoroughly decomposed farmyard manure and slow release nutrition particles are applied in a mixed mode, nutrition is comprehensive and balanced, the requirements for nutritional ingredients such as nitrogen, phosphorous, potassium, organic matter and microelements are met during seedling growing of moutan, the controlled release effect is good, the fertilizer efficiency is durable, the utilization rate is high, absorption is easy, the frequency of fertilizer application is reduced, and the emergence rate is increased; during sowing, seed dressing is conducted through modified plant ash, a good growing environment can be provided for growth of seeds, diseases and insect pests can be reduced, and the emergency rate can also be increased. By the adoption of the planting method, the quality of the cortex moutan can be improved, the yield of the cortex moutan can be increased, the cortex moutan can reach the high-quality level, the content of the effective constituent can be increased by over 10%, the yield is increased by over 35%, and the economic benefits of a moutan cortex farmer can be greatly increased; in addition, operation is simple, implementation is easy, cost is low, and the planting method is suitable for large-scale popularization.

The invention provides a special slow control/release fertilizer for an eggplant. The fertilizer is characterized by comprising, in terms of mass percent, 0.05% to 0.08% of n-butyl triamine thiophosphate, 0.05 to 0.08% of hydroquinone and 0.24 to 0.28% of dicyandiamide. According to the invention, the special slow control/release fertilizer is prepared by combining macro-element, medium-element and trace-element fertilizers like nitrogen, phosphorus, potassium, calcium, magnesium, molybdenum, boron, zinc and iron with organic fertilizers like high-quality decomposed rapeseed dregs, chicken manure and grass carbon, adding a urease inhibitor and a nitrification inhibitor and carrying out mixing; the special slow control/release fertilizer has a slow release effect in soil, is rich in a variety of nutrient elements needed in growth of the eggplant, can meet demands of the eggplant for nutrients in different growth and development phases for a long time and effectively improves output of the eggplant.

The invention relates to a special controlled release fertilizer for wheat and a preparation method thereof and belongs to the technical field of sustained release fertilizer and controlled release fertilizer. According to the rule of the fertilizer requirement of the wheat, the invention remixes 5 percent, 6 percent and 7 percent thermoplastic resin coated urea, sulfur coated urea, potassium chloride complex fertilizer, the potassium chloride, diammonium phosphate and zinc sulfate exactly to form the special controlled release fertilizer for wheat. The nutrient release rule of the controlled release fertilizer is in accordance with the nutrition absorption rule of the wheat, and the cost of the controlled release fertilizer is reduced; no more fertilization is required after one time of the fertilization of the controlled release fertilizer before the wheat is seeded, which reduces the labor intensity of the farmer and the labor cost.

The invention provides organic fertilizer special for rice and a preparing method thereof and belongs to the technical field of agricultural fertilizer. The fertilizer is prepared from 80-100 parts of fruit peel, 60-80 parts of edible fungus leftovers, 60-80 parts of animal dung, 20-30 parts of medical stone, 5-15 parts of radix semiaquilegiae extracts, 10-20 parts of prismatomeris tetrandra extracts, 3-5 parts of compound microorganism bacterium agent, 40-50 parts of humus, 5-15 parts of potassium chloride, 5-8 parts of ardealite and 2-3 parts of microelements. Through scientific compatibility, the fertilizer has various nutrient elements and highly accords with the nutrient absorption characteristics of rice in different growth periods, fertilizer efficiency is long, the yield of rice is increased, the traditional Chinese medicine ingredient extracts can effectively prevent diseases and pests, and safety performance is high. Furthermore, ardealite can be effectively utilized, the utilization rate of ardealite is increased, the soil environment can be effectively improved, the breathability, water retention capacity and fertilizer conservation capacity of soil are improved, and soil hardening is prevented.

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 relates to a special controlled release fertilizer for orange and a preparation method thereof and belongs to the technical field of sustained release fertilizer and controlled release fertilizer. According to the rule of the fertilizer requirement of the orange, the invention remixes 6 percent, 7 percent and 8 percent thermoplastic resin coated urea, sulfur coated urea, potassium sulfate complex fertilizer, the potassium sulfate, diammonium phosphate, zinc sulfate and borax exactly to form the special controlled release fertilizer for orange. The nutrient release rule of the controlled release fertilizer is in accordance with the nutrition absorption rule of the orange, which improves the fertilizer absorption and utilization rate and reduces the cost of the controlled release fertilizer, and the effect of production increase is good.

The invention provides a biochar slow release base fertilizer special for wheat. The biochar slow release base fertilizer comprises a core layer and a coating layer coating the surface of the core layer. The core layer is made by mixing of the following raw materials by weight part: 30-40 of biochar, 10-15 of urea, 30-35 of potassium dihydrogen phosphate, 15-20 of potassium chloride, 30-40 of weathered coal, 0.2-0.6 of a botanical fungicide, 3-5 of abamectin dreg, 5-8 of vermiculite powder, and 0.2-0.5 of a fertilizer additive, and the weight of the core layer accounts for 50%-60% of the total weight of the slow release fertilizer. The coating layer is a mixture of biochar powder and a binder, and the weight of the coating layer accounts for 40%-50% of the total weight of the slow release fertilizer. The fertilizer provided by the invention has nutrients released slowly under control, one-time fertilization can meet the need of crops for fertilizer in the whole growth period, and the fertilizer dosage is reduced, thus effectively preventing pollution of the fertilizer to the environment. And the fertilizer provided by the invention can improve soil and increase wheat yield.

The invention belongs to the field of biological fertilizers, in particular to an organic compound fertilizer special for areca-nuts, which is prepared by the steps of uniformly mixing organic fertilizer with organic matter content of 30-38 percent, urea, calcium magnesium phosphate, potassium chloride, manganese sulfate, ferrous sulfate, copper sulfate, zinc sulfate, boric acid and ammonium molybdate, pelleting and drying until the content of water is less than 2 percent, wherein the content of organic matters is 9-12 percent, the content of N is 9-11 percent, the content of P is 2-4 percent, the content of K is 13-15 percent, the content of Ca is 7-9 percent, the content of Mg is 2-4 percent and the content of trace elements is 1.3-1.4 percent. The invention can provide full elements required by the growth of the areca-nuts by combining with the organic fertilizer and the chemical fertilizer scientifically, improves the effectiveness of the fertilizer, increases the yield of areca-nuts, can balance the soil acidity or alkalinity, enhance the soil organic content and full nutrient content, improve the physical properties of soil to ensure that the soil is loose without hardening, and the like.

The invention discloses a high-concentration compound microbial fertilizer prepared by tower-type melt granulation and a preparation method thereof, belonging to the technical field of fertilizers. The fertilizer is composed of 300-500 parts of urea, 130-250 parts of monoammonium phosphate, 30-60 parts of humic acid, 200-300 parts of potassium sulfate, 1-10 parts of magnesium sulfate, 10-20 parts of compound microbial inoculant, 10-30 parts of polyaspartic acid, 30-50 parts of zinc sulfate, 20-30 parts of calcium superphosphate, 50-100 parts of oyster powder, 20-40 parts of silanization-modified zeolite, 3-5 parts of polyvinyl alcohol and 5-8 parts of urea formaldehyde. The fertilizer is reasonable in formula, can effectively improve the soil quality, implements balanced nutrient release, satisfies the demands of citruses for different nutrients in different growth periods, and can effectively prevent various physiological diseases from generation.

The invention relates to a special low-concentration slow release fertilizer for sugar cane. The nitrogen/phosphorus/potassium in the slow release fertilizer is 15:8:5. The invention can effectively the emergence rate, tillering rate and plant height of the sugar cane, and the test indicates that the emergence rate is enhanced by 0.9-1.7%, the tillering rate is enhanced by 2.3-4.2%, and the plant height is enhanced by 2.0-3.3cm; the slow release fertilizer can obviously enhance the agricultural yield of the sugar cane, and the test indicates that the unit yield of the sugar cane is enhanced by 0.8-1.5 t.hm<2>; the slow release fertilizer can obviously improve the quality of the sugar cane, and the test indicates that the field brix of the sugar cane is enhanced by 0.3-0.6% and the sucrose content is enhanced by 0.3-0.5%; and the invention reduces the number of times of fertilizer application, and lowers the labor cost. The special low-concentration slow release fertilizer for sugar cane is suitable to be applied to soil with medium sugar cane region fertilizers in tropical and subtropical zones in Southern China.

The invention discloses a fertilizer special for soybeans and a preparation method thereof. The method comprises the following steps: weighing, mixing and stirring citric acid, zinc sulphate powder, manganese sulphate powder, borax powder, ammonium molybdate powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare trace element chelate fertilizer liquid for spare; respectively weighing and stirring polyvinyl alcohol, cornstarch, dicyandiamide powder and water at a reaction temperature of 80-90 DEG C for 40-60 minutes to prepare bonding liquid for spare; uniformlymixing the trace element chelate fertilizer liquid and the bonding liquid according to a mass ratio of 1:4 for spare; respectively weighing, drying, crushing and screening pyrobituminous shale residue, calcium carbonate, magnesium sulphate, urea, diammonium phosphate and potassium sulphate by a screen of 100-120 meshes; uniformly mixing; adding the mixture to a pelletizer; and spraying the mixed liquid to granulate so as to obtain a the fertilizer special for soybeans. The invention has the advantages of comprehensive nutrients, good slow release, and the like, fully satisfies the growth needsof soybean and improves the yield and the quality of the soybean.

The invention provides slow-release leaf surface selenium fertilizer and a preparation method thereof. The slow-release leaf surface selenium fertilizer comprises 1-2 parts of selenium fertilizer, 1-5 parts of microelements, 0.2-0.5 part of a growth adjusting agent, 1-5 parts of a surfactant, 50-60 parts of polyvinyl alcohol, 2-5 parts of Carbomer and 5-10 parts of sodium carboxymethylcellulose. The selenium fertilizer is matched with other fertilizer and a formula is reasonable, so that an adaptive range of the fertilizer is enlarged, the selenium fertilizer is easy to absorb, and the fertilizer effect is improved. With the adoption of the surfactant, a film agent is directly attached to a leaf surface, and thus the adhesive property of the slow-release leaf surface selenium fertilizer is improved; and furthermore, a slow-release film is prepared, so that nutritional components including the selenium fertilizer and the like can be slowly released and nutrition is easy to absorb.