31results about How to "Effective release period extended" patented technology

The invention discloses a special biomass charcoal-based composite fertilizer for corn. The special biomass charcoal-based composite fertilizer for the corn comprises the following components in parts by weight: 7-15 parts of potassium magnesium sulfate fertilizer, 3-7 parts of potassium chloride, 5-13 parts of fertilizer-grade calcium hydrogen phosphate, 15-20 parts of urea phosphate, 40-50 parts of powdery urea, 6-9 parts of rapeseed straw charcoal powder, 0.2-0.8 part of sodium silicate, 0.05-0.47 part of EDTA (ethylenediaminetetraacetic acid) chelated zinc, 0.05-1 part of EDTA chelated manganese and 1-7 parts of auxiliary materials. The invention further discloses a preparation method of the special biomass charcoal-based composite fertilizer for the corn. After the special biomass charcoal-based composite fertilizer for the corn, disclosed by the invention, is applied, the soil can be effectively improved and fertilized, the content of organic matters in the soil is increased, the soil bulk density is reduced, and the water-retaining and fertilizer-keeping capability of the soil is improved; furthermore, the utilization efficiency of fertilizer nutrients is relatively high, the release of nutrient elements is coordinated and lasting, the nutrients can be supplied to the corn in a relatively comprehensive and balanced manner, the yield of the corn is significantly improved, the quality of the corn is improved, and the economic benefits are obvious.

The invention discloses a soil improvement type special slow-release fertilizer for oilseed rape. The fertilizer comprises the following components in percentage by weight: 20-40% of powdered urea, 20-35% of urea phosphate, 10-15% of potassium chloride, 20-30% of potash magnesium sulfate fertilizer, 3-6% of humic acid boron salt, 1-4% of humic acid calcium salt, 1-5% of humic acid magnesium salt, 0.005-0.02% of compound sodium nitrophenolate, 1-5% of slow release agent and 2.99-8% of auxiliary material, wherein the slow release agent comprises the following components in percentage by weight: 5-15% of N-hydroxymethyl acrylamide, 10-30% of unsaturated polyester resin, 4-10% of cyclohexanol, 5-13% of 2-butyl alcohol, 1-5% of talcum powder, 1-4% of kaolin, 1-6% of ethyl cellulose and the balance of distilled water. The invention also discloses a preparation method of the soil improvement type special slow-release fertilizer for oilseed rape.

The invention discloses a soil improvement type cotton dedicated sustained-release fertilizer comprising the following components by the weight percentage: 25-40% of powdered urea, 12-25% of urea phosphate, 15-30% of potassium chloride, 6-15% of a magnesium potassium sulfate fertilizer, 2-10% of humic acid zinc, 2-8% of humic acid boron, 1-5% of humic acid calcium, 1-4% of humic acid magnesium, 0.005-0.02% of sodium nitrophenolate, 1-5% of a sustained-release agent, and 3-8% of an auxiliary material. The sustained-release agent comprises the following components by the weight percentage: 5-15% of N-hydroxymethyl acrylamide, 10-30% of unsaturated polyester resin, 4-10% of cyclohexanol, 5-13% of 2-butyl alcohol, 1-5% of a talc powder, 1-4% of kaolin, 1-6% of ethyl cellulose, and the balance being distilled water. The invention also discloses a preparation method for the soil improvement type cotton dedicated sustained-release fertilizer.

The invention relates to a special fertilizer for a rice soil measurement formula and a preparation method thereof. The special fertilizer for the rice soil measurement formula comprises the following components in parts by weight: 40-70 parts of urea-ammonium nitrogenous fertilizer, 20-30 parts of urea phosphate, 20-30 parts of potassium chloride, 5-10 parts of neutral water soluble silicon fertilizer, 0.2-0.6 part of zinc sulfate, 0.2-0.5 part of ferrous sulfate, 0.2-0.4 part of borax, 0.01-0.1 part of compound sodium nitrophenolate, and 0.5-1 part of auxiliary material. The special fertilizer for the rice soil measurement formula can offer complete and balanced nutrients for rice lastingly and harmoniously, can be applied once without topdressing, can remarkably improve the quality and yield of the rice, has obvious economic benefit, and is applicable to most soil in rice planting areas in China.

The invention discloses a preparation method of a slow-release and degradable film-coated porous material of medicinal fertilizer, which comprises the following steps: pulverizing plant ash, soaking in a wall-breaking agent and a pore-enhancing agent, and performing ammoniation and carbonization to obtain a porous material. Materials; soak the porous material in the pesticide solution, and ultrasonically disperse to obtain the porous material loaded with pesticide; heat the wheat husk and starch in a water bath, and then add modifying aids, plasticizers, distilled water, film-forming aids, and pesticide-loaded Stir the porous material evenly to complete the coating of the slow-release degradable film; dry and sieve the powder coated with the slow-release degradable film to obtain the porous material of the slow-release degradable film-coated fertilizer. The invention efficiently retains the long-term effect of the drug, and uses degradable and environmentally friendly raw materials to make a slow-release film to control the release and adhesion of the drug. After the slow-release film is damaged, the adsorption carrier can be used as a fertilizer to achieve long-term and slow release of the drug fertilizer. The effect of reducing the number of fertilizer application.

The invention discloses a special biomass charcoal-based compound fertilizer for rapes. The biomass charcoal-based compound fertilizer comprises the following components in parts by weight: 11-15 parts of potash magnesium sulphate fertilizers, 15-20 parts of potassium chloride, 13-16 parts of fertilizer-grade dicalcium phosphate, 11-17 parts of urea phosphate, 25-30 parts of powdery urea, 5-13 parts of sorghum straw charcoal powder, 0.05-0.5 part of EDTA (Ethylene Diamine Tetraacetic Acid) chelated zinc, 0.05-0.5 part of EDTA chelated iron, 0.1-0.63 part of borax and 1-6 parts of auxiliary materials. The invention also discloses a preparation method of the special biomass charcoal-based compound fertilizer for the rapes. The special biomass charcoal-based compound fertilizer for the rapes, which is disclosed by the invention, can effectively improve and fertilize the soil, increase the content of soil organic matters, reduce the soil volume weight and enhance the moisture and fertility preserving capacity of the soil after being applied, is relatively high in fertilizer nutrient utilization efficiency and harmonious and lasting in nutrient element release, can be used for comprehensively and equivalently supplying the nutrients to the rapes, outstandingly increases the rape output, improves the rape quality and achieves an obvious economic benefit.

The invention discloses a biomass charcoal-based compound fertilizer for wheat. The biomass charcoal-based compound fertilizer comprises the following components in parts by weight: 8 to 14 parts of potash magnesium sulphate fertilizer, 12 to 17 parts of potassium chloride, 6 to 13 parts of fertilizer-level calcium hydrophosphate, 13 to 21 parts of urea phosphate, 30 to 40 parts of powdery urea, 8 to 14 parts of soybean straw powdered carbon, 2 to 7 parts of sodium silicate, 1 to 4 parts of EDTA chelate Zn, 1 to 4 parts of EDTA chelate Fe, 1 to 5 parts of ammonium molybdate and 3 to 7 parts of an auxiliary material. The invention further discloses a preparation method for the biomass charcoal-based compound fertilizer special for the wheat. According to the invention, after the biomass charcoal-based compound fertilizer special for the wheat is applied, not only can soil be effectively improved and fertilized, the content of soil organic matter can be increased, the volume weight of soil can be reduced, and the water retention and fertilizer retention capabilities of the soil can be improved, but also the fertilizer nutrient utilization efficiency is relatively high, nutrient element release is coordinated and lasting, nutrient can be supplied to the wheat relatively comprehensively and evenly, the output of the wheat can be obviously improved, the quality of the wheat can be improved, and obvious economic benefit can be achieved.

The invention discloses a biomass carbon-based composite fertilizer specially used for rice. The biomass carbon-based composite fertilizer comprises the following components in parts by weight: 8-15 parts of a potash magnesium sulphate fertilizer, 9-14 parts of potassium chloride, 13-20 parts of fertilizer grade dicalcium phosphate, 20-27 parts of urea phosphate, 25-30 parts of powdered urea, 5-10 parts of sunflower straw charcoal powder, 0.1-1 part of sodium silicate, 0.1-0.5 part of EDTA (ethylene diamine tetraacetic acid) chelating zinc, 0.05-0.5 part of EDTA chelating iron and 1-7 parts of auxiliary materials. The invention also discloses a preparation method of the biomass carbon-based composite fertilizer specially used for rice. According to the biomass carbon-based composite fertilizer specially used for rice and the preparation method, the biomass carbon-based composite fertilizer specially used for rice is rich in nutrient substances; the nutrient elements can be released and coordinated for a long time; fertilization is implemented in a disposable manner, and secondary fertilization is not needed or the secondary fertilization is implemented a little; the utilization efficiency of nutrients of the fertilizer is high; the property of soil can be improved, and the soil fertility is improved; furthermore, the rice yield can be obviously increased; the biomass carbon-based composite fertilizer has obvious economical benefits.