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

256 results about "Chelating iron" patented technology

All-nutritional compound type liquid fertilizer for being sprayed to plant leaf surfaces and preparation method thereof

The invention relates to an all-nutritional compound type liquid fertilizer for being sprayed to plant leaf surfaces and a preparation method thereof. The fertilizer contains major elements, secondary elements, trace elements such as chelate iron, zinc, manganese, copper, molybdenum, boron and chlorine which are necessary to the growth of plants, biological hydrolytic amino acid and a plant growth regulator, wherein the total amount of nitrogen, phosphorus and potassium elements contained in 16 elements which are necessary to the growth of the plants is more than 110 grams / liter; the total amount of calcium, magnesium and sulphur elements contained in 16 elements is more than 30 grams / liter; the total amount of the zinc, the manganese, the iron, the copper, the boron, the molybdenum and the chlorine contained in 16 elements is more than 50 grams / liter; the amount of the amino acid in the fertilizer is more than 100 grams / liter; and the amount of the plant growth regulator in the fertilizer is more than 20 grams / liter. The fertilizer is a non-toxic, pollution-free and environment-friendly fertilizer; by spraying the fertilizer to the leaf surfaces, the nutrition of crops can be replenished comprehensively, physiological diseases are prevented and controlled, the expansion and elongation of plant cells can be promoted, the formation of chlorophyll is induced, flower and fruit retention are realized, and the yield of crops is improved.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Soilless culture nutrient solution and preparation method thereof

The invention relates to the technical field of soilless culture and in particular relates to a soilless culture nutrient solution and a preparation method thereof. According to the soilless culture nutrient solution, the following components are added into every 1L of water by weight: 6-10g of calcium nitrate, 3-5g of potassium nitrate, 3-5g of magnesium sulfate, 2-4g of ammonium phosphate, 0.8-2g of potassium sulfate, 0.8-2g of monopotassium phosphate, 0.08-0.15g of EDTA (Ethylene Diamine Tetraacetic Acid) chelating iron, 0.05-0.08g of ferrous sulfate, 0.02-0.04g of boric acid, 0.1-0.3g of manganese sulfate, 0.003-0.006g of zinc sulfate, 0.001-0.0015g of copper sulfate, 0.001-0.003g of ammonium molybdate, 1-2g of EM probiotic liquid, 6-8g of oligosaccharide and 8-10g of anticorrosive antiseptic substance. Due to adoption of the technical scheme of the invention, the soilless culture nutrient solution has the beneficial effects that the soilless culture nutrient solution is enriched in nutrient substances and wide in application range, and the optimal requirements of flowers on temperature, moisture, illumination, nutrient and air in the growth and development process can be effectively controlled. Moreover, according to the soilless culture nutrient solution, the disease and insect resistance of crops is improved, the yield is high, and the product quality is high.
Owner:DANYANG RUIQING GARDEN ENG

High concentration drip irrigation special fertilizer for vegetative growth phase of grapes

The invention provides a high concentration drip irrigation special fertilizer for the vegetative growth phase of grapes. The fertilizer comprises the following main components in part by weight: 244 to 267 parts of potassium nitrate, 181 to 198 parts of monoammonium phosphate, 357 to 390 parts of urea, 139 to 209 parts of magnesium sulfate heptahydrate, 0.3 to 0.6 part of boric acid, 3.6 to 5.8 parts of EDTA chelated iron, 0.2 to 0.4 part of EDTA chelated copper, 0.6 to 1.0 part of EDTA chelated manganese, 0.002 to 0.004 part of sodium molybdate, and 1.0 to 1.6 parts of EDTA chelated zinc. The special fertilizer is especially designed for a drip irrigation system, and is suitable for the requirement on each element at the vegetative growth phase of the grapes. The special fertilizer can obviously improve the photosynthesis of plants and the nutrient substance accumulation amount of leaves, establishes a firm substance foundation for quick inflation of fruits and fruit growth in later period, and has the effect better than that with only the application of a base fertilizer or only the application of a straight fertilizer so as to achieve the aims of reducing fertilizer and improving effect. Currently, the country widely popularizes drip irrigation technology and fertilizer reducing and effect improving technology, and the fertilizer plays a role in reducing fertilizer and improving effect in a grape drip irrigation system and has a wide market prospect.
Owner:KUNMING UNIV OF SCI & TECH

Stress-resistance multielement quick-acting water-soluble fertilizer

The invention relates to a stress-resistance multielement quick-acting water-soluble fertilizer and belongs to the technical field of agricultural fertilizers. The stress-resistance multielement quick-acting water-soluble fertilizer is prepared from the following raw materials in percentage by weight: 15% of urea, 10% of monopotassium phosphate, 65% of nitrate of potash, 2% of calcium ammonium nitrate, 2% of magnesium sulfate, 1.8% of borax, 0.5% of ammonium molybdate, 0.5% of chelate nickel, 0.5% of chelate iron, 0.5% of chelate zinc, 0.5% of chelate copper, 0.5% of chelate manganese, 1% of chitosan and 0.2% of S-abscisic acid. The fertilizer contains 13 elements which are essential to plants, can be fully dissolved in water, and can be used for solving various nutrient deficiency symptoms of crops, so that the fertilizer utilization rate is increased, resources can be saved, and the condition that the soil is salinized and acidized, is lack of medium trace elements and the like due to over using of fertilizers can be avoided; field trial results prove that the fertilizer is obvious in fertilizer efficiency, can remarkably improve the yield of crops, can improve the quality of fruits, and reduces the occurrence of plant diseases and insect pests; the crops to which the fertilizer is applied can not be subjected to reduction of output under the atrocious weather.
Owner:高晨曦

Disease prevention selenium-rich compound fertilizer capable of improving apple tree planting soil and preparation method of disease prevention selenium-rich compound fertilizer

The invention provides a disease prevention selenium-rich compound fertilizer capable of improving apple tree planting soil and a preparation method of the disease prevention selenium-rich compound fertilizer.The compound fertilizer comprises, by weight, urea, organic fertilizer, ammonium dihydrogen phosphate, monoammonium phosphate, potassium chloride, zinc sulfate, humic acid, attapulgite, sodium selenite, an EM microbial agent, EDTA chelate iron, EDTA chelate zinc, EDTA chelate copper, humic acid urea iron, humic acid magnesium, a urease inhibitor, a nitrification inhibitor and multi-effect triazole.The compound fertilizer is an organic-inorganic compound fertilizer, the effective period is long, the fertilizer is rich in microelement, the varieties and content of nutrient elements in the soil can be increased, and the nutritional value of apples is improved; a microbial strain and fungicide are contained and combined, so that the disease prevention capacity in the apple tree planting process is improved, the fertilizer components are friendly to the soil, soil quality can be improved, the content of organic matter in the soil is increased, the quality of the apples is improved, the yield of the apples is increased, the production cost is low, market promotion is promoted, and economic benefits are good.
Owner:TAICANG HUANGJING XINLIAN AGRI MACHINERY OPERATION SPECIALIZED COOP

Novel long-acting alkaline compound fertilizer and preparation method thereof

The invention relates to a novel long-acting alkaline compound fertilizer and a preparation method thereof, which are applied to the field of agriculture and forestry production. The novel long-acting alkaline compound fertilizer comprises long-acting stabilizer, soil conditioner and medium or trace elements. When the long-acting alkaline compound fertilizer is prepared, urea or ammonium chloride, monoammonium phosphate or diammonium phosphate, monopotassium phosphate, potassium nitrate, chelate iron, chelate manganese, chelate copper, chelate zinc, disodium octoborate tetrahydrate, calcium magnesium powder and the like are mixed according to a certain scientific proportioning, then are added with a certain quantity of plant nutrient conditioner and the long-acting stabilizer, are sufficiently mixed with the plant nutrient conditioner and the long-acting stabilizer, and then are granulated to form the novel long-acting alkaline compound fertilizer. A production process is simple, raw materials are easy to obtain, nutrient is comprehensive, nitrogen, phosphorus, potassium and the medium or trace elements are provided for soil and plants, the utilization rate of the fertilizer is improved effective, the pH (potential of hydrogen) of the fertilizer is larger than or equal to 7, and accordingly the fertilizer is suitable for acid soil, and has the advantages of improving the soil and preserving an ecological environment.
Owner:GUANGXI NEW ORIENTATION CHEM IND

Agricultural non-point source pollution conditioning agent and preparation method thereof

InactiveCN108752095ARich surface functional groupsEnrich the surface functional groups to make the adsorption effectCalcareous fertilisersBio-organic fraction processingCompound organicFermentation
The invention discloses an agricultural non-point source pollution conditioning agent and a preparation method thereof, and belongs to the field of an agricultural fertilizer. The method is characterized in that the agricultural non-point source pollution conditioning agent is obtained by using rice stalk biomass charcoal, dry sheep manure and polyacrylamide as major materials and using calcium carbonate, zeolite powder and EDTA-chelate iron as regulating agents through mixed fermentation and drying. The adsorption effect of charcoal and the zeolite powder on soil nitrogen, phosphorus, heavy metal ions and the like is fully utilized; through the PAM bridging effect, the charcoal and sheep manure particle bonding and large-pore structure is manufactured; the specific surface area of the charcoal micropore structure is enhanced; through chelate iron and calcium carbonate, the surface functional group of the charcoal is enriched, so that the adsorption effect is further reinforced; meanwhile, the product contains higher nutrient substances; a slow release effect is achieved; the soil nutrient substance loss cannot be caused. The product can be used for preventing, controlling and conditioning the loss of farmland elements such as nitrogen and phosphorus, can be used for heavy metal polluted soil restoration and can also be used as a compound organic fertilizer.
Owner:ZHEJIANG UNIV
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