Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

859results about How to "High nutrient content" patented technology

Compound liquid fertilizer with high suspension degree, and preparation method and application thereof

The invention discloses a compound liquid fertilizer with high suspension degree, and a preparation method and an application thereof, and belongs to the liquid fertilizer industry field. The preparation method comprises the steps: adding macromolecule organic sugar into a clay material to be used as a basal suspending agent I, and carrying out first suspension chelation of a major element and a trace element at the temperature of 40-60 DEG C; followed by controlling the temperature at 20-30 DEG C, slowly adding a plant growth regulator and a surface active material, fully mixing uniformly, finally adding macromolecule cellulose and an analog thereof as a suspending agent II, carrying out second suspension chelation, and fully stirring to obtain the compound liquid fertilizer with high suspension degree. The prepared compound liquid fertilizer with high suspension degree has comprehensive nutrients, high content, low cost, good liquidity, good stability and good dissolvability, and is beneficial for crops to efficiently absorb and utilize. The preparation method is simple in process and easy to implement. The compound liquid fertilizer is an ideal fertilizer source for water and fertilizer integration for drip irrigation, sprinkler irrigation, water flushing and the like.
Owner:SOUTH CHINA AGRI UNIV +1

Industrial production method and device of urea-formaldehyde slow-release compound fertilizer

The invention relates to an industrial production method and device of a urea-formaldehyde slow-release compound fertilizer and a device thereof. The industrial production method comprises the steps of adding water and oxidized starch to a reaction still and then pasting, adding urea of which the nitrogen content is 46wt% and formalin, stirring, dissolving and then adjusting the pH value to 8.5-8.8 by an alkaline matter, reacting at constant temperature of 60 DEG C to obtain reaction liquid; adjusting the pH value to 5.4-5.1 by the reaction liquid; reacting for 45 minutes at the constant temperature of 65-68 DEG C, then adjusting the pH value to 6.8-7.2, and terminating reaction to obtain the urea formaldehyde condensation product solution; mixing the urea formaldehyde condensation product solution with nitrogen, phosphorus and potassium materials, pelletizing, drying and cooling to below 35 DEG C, and screening to obtain the urea-formaldehyde slow-release compound fertilizer. The industrial production device of the urea-formaldehyde slow-release compound fertilizer is also provided by the invention. Urea formaldehyde is taken as a skeleton; rapid disintegration phenomenon of fertilizer particles caused by water absorption expansion is effectively prevented; the urea-formaldehyde slow-release compound fertilizer has good nutrient slow-release performance, and is high in pelletizing rate in the production process and strong in granule hardness, and the total nutrient content is improved.
Owner:河南豫邮金大地科技服务有限公司

Water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and preparation method thereof

The invention relates to a water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and a preparation method thereof, belongs to the technical field of integration of water and fertilizer and high concentration organic-inorganic compound fertilizers. The fertilizer comprises the following components in percentage by weight: 35-70% of urea or 40-70% of modified nitramine, 5-40% of water-soluble phosphatic fertilizer, 0-35% of water-soluble potassic fertilizer, 20-40% of water-soluble organic matters, 0.05-0.1% of a water-soluble fertilizer synergist, 0.1-10% of water-soluble chelating medium trace elements and 0.1-10% of a plant growth adjustor. Nitrogen, phosphorus and potassium account for 30-50% of the prepared water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation and the organic matters account for 15-25% of the prepared water-soluble high-concentration organic-inorganic compound fertilizer for trickle and sprinkling irrigation. The water-soluble high-concentration organic-inorganic compound fertilizer is good in solubility, can be matched with trickle and sprinkling irrigation equipment and achieves integration of water and fertilizer; the utilization ratios of nitrogen, phosphorus and potassium and trace elements are high, and the fertilizer has the advantages of improving the soil environment, adjusting crop growth, enhancing stress resistance of the crop, and improving the quality of crops.
Owner:HUBEI SANNING CHEM

Deodorant nitrogen-conserving conditioner of livestock manure compost and using method

The invention relates to a deodorant nitrogen-conserving conditioner. The using method comprises the following steps: evenly mixing pig manure and crushed straw or other crop straw in a ratio of 2-8:1, wherein the moisture content is between 60 and 65 percent; carrying out simple high-temperature composting by adding 25 to 40kg deodorant nitrogen-conserving conditioner in each 1,000kg compost rawmaterial; and adopting a pile-turning or a forced ventilation mode, wherein the temperature is not more than 70 DEG C during high-temperature composting. The deodorant nitrogen-conserving conditionercomprises 15 to 20kg calcium chloride, 10 to 15kg calcium superphosphate and 3 to 8kg zeolite. The compost becomes thoroughly decomposed after 30-day composting. The deodorant nitrogen-conserving conditioner is characterized in that: the conditioner can reduce odorous substances in the pig manure compost and ammonia volatilization and eliminates odour more than 10 days earlier; moreover, the conditioner increases the content of nitrogen nutrients in a compost product by over 20 percent and reduces nitrogen loss by over 70 percent in the composting process; and at the same time, the conditioner has the advantage of simple and easy operation and is suitable to be used in organic fertilizer factories and vast rural areas.
Owner:HUNAN AGRICULTURAL UNIV

Organic/inorganic slow-release fertilizer for flowers and preparation method of slow-release fertilizer

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.
Owner:CHONGQING UNIV OF ARTS & SCI

Minimum-tillage and no-tillage mulching cultivation method of lemon orchard

InactiveCN102498890AReduce tillage by 2 to 4 timesReduce investmentHorticulture methodsTree trunkGrowing season
The invention relates to a minimum-tillage and no-tillage mulching cultivation method of a lemon orchard. The minimum-tillage and no-tillage mulching cultivation method comprises the following steps of: planting lemons in the flat land lemon orchard according to the requirement of enabling the distance between plants * the distance between rows to be 2.0-2.5m * 3.5-4.0m; planting pasture among lemon rows, planting 1 row of the lemons on each platform ladder surface of the sloping land lemon orchard and planting the pasture on platform sloping surfaces; timely cutting the pasture in growing seasons for mulching around tree trunks of the lemons, applying a basal fertilizer for the lemons once annularly, and performing drop irrigation fertilization or fertilization by a fertilization gun in other periods except the application of the basal fertilizer. According to the minimum-tillage and no-tillage mulching cultivation method, the frequency of tillage in the lemon orchard can be reduced, the using frequency and the quantity of the fertilizer and pesticide can be reduced, the production of the 4-year-old lemon orchard can be increased by above 120kg / mu, the yield of fresh forage of the 1-5-year-old lemon orchard can be up to 3850-2930 kg / mu, organic matters, available nitrogen, available phosphorus and available potassium in soil are increased, and the orchard can be developed in a sustainable and healthy manner.
Owner:INST OF TROPICAL & SUBTROPICAL CASH CROP YUNNAN ACAD OF AGRI SCI +1

High-phosphorus high-potassium liquid compound fertilizer as well as preparation method and application method thereof

The invention provides a high-phosphorus high-potassium liquid compound fertilizer. The liquid compound fertilizer comprises the following components: 20-120 parts of a phosphorus fertilizer, 15-60 parts of a potassium fertilizer, 0.1-12 parts of a microelement fertilizer, 0.5-5 parts of a co-solvent and 10-50 parts of water, wherein the microelement fertilizer is one or more of a boron fertilizer, a manganese fertilizer, a zinc fertilizer and an iron fertilizer and is a water-soluble fertilizer. The invention also provides a preparation method and an application method of the high-phosphorus high-potassium liquid compound fertilizer. The contents of phosphorus and potassium in the high-phosphorus high-potassium liquid compound fertilizer are higher, the phosphate radicals and potassium ions stably coexist in a liquid phase so that the generation of insoluble precipitates such as potassium phosphate is avoided, the high-phosphorus high-potassium liquid compound fertilizer has the advantages of high content of the total nutrient, stable physical and chemical shapes, no phenomena such as crystallization, precipitation and layering under high temperature, low temperature and room temperature conditions, good fluidity, high-concentration nutrients, time conservation, labor conservation, fertilizer conservation, high fertilizer efficiency and the like, the high-phosphorus high-potassium liquid compound fertilizer is suitable for larger-area automatic fertilizer-applying operation and the fertilizer-applying efficiency can be significantly increased.
Owner:GUANGZHOU YIXIANG AGRI TECH

Chemical improvement conditioner suitable for coastal beach and strongly saline-alkaline land and application method thereof

InactiveCN104276903AShorten the governance cycleIncreased rinse volumeOther chemical processesClimate change adaptationAlkali soilDry season
The invention relates to a chemical improvement conditioner suitable for a coastal beach and a strongly saline-alkaline land and an application method thereof. The chemical improvement conditioner comprises the following components in parts by weight: 50-70 parts of ardealite, 20-30 parts of humic acid, 5-10 parts of aluminum sulfate and 3-5 parts of potassium dihydrogen phosphate. The chemical improvement conditioner disclosed by the invention has the advantages of simple improver component and preparation process, clarity in principle, low cost and quick effect. The application method of the chemical improvement conditioner aiming at different planting modes and soil salinity conditions provides an optimized application mode of 'less use for dry farming, more use for water farming, less use for a dry season, more use for a rainy season, more use for double salt and less use for light salt' by comprehensively considering the plant modes, soil salt contents and the rainfall difference of different seasons, thereby improving the desalting and alkali-improving efficiency, farthest decreasing the residues of an improver in soil and realizing multiple purposes of salt leaching, soil improvement and fertility improvement of the coastal beach and the saline-alkaline land.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI +1

Rapid construction method of macadamia nut early-fruiting and high-yield garden in karst rocky desertification mountain area

The invention discloses a rapid construction method of a macadamia nut early-fruiting and high-yield garden in a karst rocky desertification mountain area and belongs to the technical field of fruit tree cultivation. The method comprises the following steps: selecting a land and carrying out soil preparation, selecting germchit, carrying out field planting on nursery stocks, carrying out tending management and shaping tree bodies. Specifically, the method comprises: selecting rock pits with the altitude of being lower than 1000m and a soil layer of being 50cm or more, and digging field planting holes; carrying out the soil preparation; selecting non-woven fabric nutrient bags grafted big seedlings as the germchit; carrying out the field planting on 3 to 5 macadamia nut varieties with relatively consistent florescence and fruit maturation period by adopting a mixed planting manner; combining water and fertilizer management and the like; topping when shoots of young plants grow to certain length every time, so as to promote the young plants to branch and culture early-fruiting and high-yield tree crowns. By adopting the method provided by the invention, the macadamia nut early-fruiting and high-yield garden is constructed in the karst rocky desertification mountain area; the garden enters an economic gain period one year ahead of a conventional grafted seedling garden; the investment period is shortened and the investment cost of constructing the garden is reduced; the recovery of vegetation covers of the karst rocky desertification mountain area can be facilitated, water and soil loss is prevented, people are led to a fortune and rocky desertification is managed.
Owner:SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI

Special bio-organic fertilizer for organic tea and preparation method of special bio-organic fertilizer

The invention discloses special bio-organic fertilizer for organic tea and a preparation method of the special bio-organic fertilizer, and solves the problem of lack of appropriate and special fertilizer for organic tea planting in Guizhou province. The special bio-organic fertilizer for organic tea comprises the following components in percentage by weight: 25-35 percent of distiller grains, 15-25 percent of Chinese herb residue, 30-40 percent of chicken manure, 4-6 percent of mineral substance powder, 0.01-0.03 percent of a microbial agent I, 10-20 percent of a conditioner and 0.1-5 percent of a microbial agent II. The invention further provides the preparation method of the special bio-organic fertilizer for organic tea. According to the invention, abundant organic waste resources of Guizhou province are utilized, various nutrients are provided for the growth of organic tea, the improvement on the soil structure and the fertilizer utilization rate is facilitated, and the yield and the quality can be increased remarkably; and meanwhile, the cyclic utilization of organic waste is realized, the fertilizer preparation cost is low, and favorable economic benefits and ecological environment benefits are achieved.
Owner:GUIZHOU UNIV

Method for utilizing chicken manure to produce organic fertilizer

The invention relates to an organic fertilizer and a production method of the organic fertilizer, in particular to a method for utilizing chicken manure to produce the organic fertilizer. The method comprises the following steps: uniformly mixing padding, broiler chicken excrement, breeding hen and/or laying hen excrement and zeolite to obtain a mixture; inoculating a microbial agent which is used for sufficiently curing the manure to the mixture, carrying out aerobic fermentation under the intermittent turning condition, wherein the microbial agent at least comprises aspergillus oryzae, high temperature resistant bacillus subtilis and saccharomycetes; piling and ageing the material after aerobic fermentation. The method aims at the characteristics of excrement of laying hen and breeding chicken, and flatly raised broiler chicken excrement, mixes the two kinds of chicken manure with different properties to meet requirements of the fermented material to carbon nitrogen ratio and moisture, and reduces the production cost. The chicken manure which possibly pollutes the environment can be converted to the organic fertilizer with large processing amount, so that the pollution problem of the chicken manure is solved. The produced organic fertilizer can be widely applied to organic crop planting, obviously improve the quality of agricultural products, and effectively improve the soil structure.
Owner:宣城市南阳生物科技有限公司

Paste type water-soluble fertilizer with potassium fulvic acid serving as matrix

The invention discloses a paste type water-soluble fertilizer with potassium fulvic acid serving as a matrix. The paste type water-soluble fertilizer comprises the following components in parts by weight: 80 to 100 parts of potassium fulvic acid, 200 to 650 parts of potassium nitrate, 100 to 460 parts of monoammonium phosphate, 60 to 90 parts of urea, 130 to 160 parts of water, 2.1 to 3.8 parts of calcium magnesium phosphate fertilizer, 1.6 to 2.4 parts of manganese sulfate, 0.7 to 1.2 parts of ferrous sulfate, 0.8 to 1.3 parts of zinc sulfate, 0.8 to 1.4 parts of copper sulfate, and 0.6 to 1.2 parts of ammonium molybdate. A paste type water-soluble material with potassium fulvic acid serving as the matrix can bring the colloid effect, complexing effect, acid-base equilibrium effect for all components, and interspersion effect for all material of the potassium fulvic acid into full play in the whole compound fertilizer, so that the dissolution velocity of all the materials during being diluted with water can be increased, and the content of each nutritional ingredient in the fertilizer is increased; and the paste type water-soluble fertilizer has the characteristics of being free of precipitating, hardening, crystallizing and bleeding, and can be applied to foliage spray, fertigation, etc.
Owner:中化化肥有限公司烟台作物营养与植物保护研究中心
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products