4154 results about "Nitrogen phosphorus" patented technology

The invention discloses a particle-typed composite fertilizer of humic acid and manufacturing method, which consists of dressing and karyosome, wherein the dressing contains nitrogen, phosphor and potassium. The manufacturing method comprises the following steps: graining humic acid; cladding; graining; solidifying fused fertilizer on the particle of humic acid; making the composite fertilizer dissolved into water without falling; fitting for large scale of agricultural product.

The invention provides a special organic-inorganic composite biological pesticide-fertilizer for flowers. The special organic-inorganic composite biological pesticide-fertilizer for flowers comprises the following raw materials in parts by weight: 80-90 parts of municipal sludge, 10-20 parts of fruit peel, 10-20 parts of fallen leaves, 10-15 parts of poultry manure, 10-14 parts of bagasse, 20-30 parts of iron ore slag, 10-12 parts of animal feathers, 10-15 parts of tree ash, 10-15 parts of monoammonium phosphate, 20-25 parts of urea, 10-12 parts of ammonia sulfate, 8-10 parts of ammonium hydrogen carbonate, 8-10 parts of potassium chloride, 5-7 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 5-8 parts of lignite, 2-4 parts of black dye tree, 9-11 parts of celastrus angulatus, 9-11 parts of common carpesium fruit, 9-11 parts of radix sophorae flavescentis, 4-6 parts of lilac daphne flower bud, 3-5 parts of coptis root, 10-12 parts of powder of root of stellera chamaejasme, 2-4 parts of vegetable oil, 1-3 parts of zinc sulfate, 3-4 parts of ferrous sulfate, 0.8-1.2 parts of borax, 20-26 parts of potassium fulvate and 0.3-0.4 part of EM (effective microorganism) strain. The pesticide-fertilizer disclosed by the invention has the advantages of scientific ratio of nitrogen, phosphorus and potassium, easiness in absorption by crops, obvious yield-increasing benefit and the like. By applying the pesticide-fertilizer, the nutrient absorption of plants can be balanced, the quality of flowers can be effectively improved, plants are green in leaves and bright in flower, and the flowering phase is also prolonged.

The invention relates to a nitrogen-phosphorus double-doped carbon-coated transition metal diphosphide hydrogen evolution catalyst and a preparation method thereof. The nitrogen-phosphorus double-doped carbon-coated transition metal diphosphide is characterized in that the structural formula is MP2@NPC, a transition metal diphosphide MP2 is used as a core, nitrogen-phosphorus double-doped carbon NPC is used as a shell so that a core-shell structure is formed, the diphosphide has a nano-particle structure, the particle size is less than 50nm and good crystallinity is obtained. The composite catalyst has the electrocatalytic hydrogen evolution activity similar to that of the commercial platinum carbon and catalyst stability better than that of the commercial catalyst. The catalyst has a wide application prospect.

The invention discloses a compound fertilizer special for sugarcanes and a production method thereof. Raw materials of the compound fertilizer special for the sugarcanes comprise inorganic fertilizers, organic fertilizers, compound amino acid, secondary elements and microelements. Weight percentage of each component in total weight of the compound fertilizer special for the sugarcanes is that the inorganic fertilizers occupy 16%-29%, the organic fertilizers occupy 15%-30%, the compound amino acid occupies 5%-15%, the secondary elements occupy 0.1%-0.5%, and the microelements occupy 0.03%-0.1%. The compound fertilizer special for the sugarcanes can promote nitrogen, phosphor, potassium and other nutrient elements to transfer and gather from mature portions of the sugarcanes to growing portions of the sugarcanes, and improves content of the nutrient elements in sugarcane stem growing portions and sugarcane leaves, thereby promoting growing of the sugarcanes and synthesizing and accumulating of cane sugar, and improving per unit yield, sugar content and economic benefit.

The present invention provides biological fertilizer compositions that comprise yeast cells and garbage. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon compounds, overproduce growth factors, overproduce ATP, decompose undesirable chemicals, suppress growth of pathogenic microorganisms, or reduce undesirable odor. The biological fertilizer composition of the invention can replace mineral fertilizers in supplying nitrogen, phosphorus, and potassium to crop plants. Methods of manufacturing biological fertilizer compositions, and methods of uses are also encompassed.

The invention discloses a functional bioorganic fertilizer and a semi-organic fertilizer and a preparation method thereof. The method comprises the following steps of: adding microzyme into livestock manure to perform anaerobic and aerobic fermentation; deodorizing, drying and crushing (after biogas slurry of residues after fermentation in a methane tank is separated, the biogas dregs are dried and crushed); adding a certain amount of humic acid, amino acid, borax, ammonium molybdate and zinc sulfate, or also adding nitrogen, phosphor and kalium inorganic nutrients; automatically blending materials by using a computer according to a proportion; after uniformly stirring, granulating by using a granulator, and drying, cooling and screening the grains; and coating a synergist and nitrogen-fixing, phosphorous-dissolving and potassium-releasing composite bacteria on qualified grains to prepare the functional bioorganic and semi-organic fertilizers. The product has the functions of preserving moisture and fertility, resisting drought, coldness, plant diseases and insect pests and the like, improves the soil structure, promoting the proliferation of beneficial microorganisms in soil, jointly participating substance circulation of a soil ecosystem and the like, has quick response and long effect, is mainly used as a base fertilizer for crops to save time and manpower, can realize waste recycling, protects ecological environment, integrates land utilization, land nourishment and land protection, and ensures constant soil productivity.

The invention provides a preparation method and an application of a nitrogen and phosphorus co-doped porous carbon catalyst and belongs to the field of oxygen reduction catalysts for a fuel cell cathode. Nitrogen and phosphorus are introduced with an in-situ doping method, and the nitrogen and phosphorus doping amount is changed by adjusting the content of a nitrogen and phosphorus precursor. Besides, nitrogen and phosphorus co-doped porous carbon is prepared with a hard template method, and controllability of pore diameters of the porous carbon is realized by adjusting a hard template. The method comprises steps as follows: an earlier polymer of aniline monomers, a phosphorus precursor, a silica-based hard template and non-precious metal salt is prepared; the earlier polymer is calcined, and solids are obtained; the solids are etched, cleaned and dried, and the carbon material is obtained. More importantly, the prepared nitrogen and phosphorus co-doped porous carbon material has an excellent oxygen reduction electro-catalytic property under the acid condition and has huge application potential.

The invention discloses an amino-acid chelated organic fertilizer and a production method thereof. The amino-acid chelated organic fertilizer is prepared from the following raw materials: 38-56wt% (weight percent) of organic matters, 10-15wt% of composite amino acid, 10-15wt% of chelating agent, 2-4 wt% of trace elements and 20-30wt% of nitrogen, phosphorus and potassium. Each gram of product contains more than 20 millions of live beneficial microbes. The amino-acid chelated organic fertilizer has the functions of improving the physical and chemical performances and the water and nutrient retaining performances of soil and promoting the formation of soil aggregates, is an preferential organic agriculture fertilizer, is suitable for vegetables, fruits, rice, corn, bananas, peppers and other crops, can ensure the high yield, good quality and good taste of agricultural products and can ensure that the nutrients of the agricultural products are increased significantly.

The invention relates to a preparation method for a composite microbial seaweed organic liquid fertilizer, which comprises the following steps: (1) ingredient treatment: adding 0.1-0.6 part by weight of complex enzyme and 0.1-0.4 part by weight of microbial leaven to 100 parts by weight of seaweed-crushed liquor of which the water content is 70-90 percent, and evenly mixing; (2) aerobic fermentation: filling an ingredient obtained in the step (1) into a fermentation tank, and carrying out the aerobic fermentation for 5-8 days at the temperature of 40-60 DEG C under the condition that pH is 5-7 to obtain fermentation liquor; (3) filtering: filtering the fermentation liquor obtained in the step (2) to obtain filter liquor; and (4) compounding: adding functional fungicides to the filter liquor obtained in the step (3), wherein the functional fungicides comprise nitrogen-fixing bacteria, phosphate-solubilizing bacteria and potassium bacteria; or/and adding bacillus subtilis and Bacillus licheniformis to the filter liquor obtained in the step (3); and carrying out blending on nitrogen phosphorus potassium (NPK) so as to enable the content of the NPK to reach the goal that N+P2O5+K2O isnot less than 4 percent.

The invention relates to a preparation method and application of a biological organic-inorganic liquid fertilizer. The biological organic-inorganic liquid fertilizer mainly comprises the following components: a beneficial bacterium with the content of 0.5 to 2 hundred millions per milliliter, nitrogen phosphorus and potassium with the content of 150g/L to 350g/L, organic carbon with the content of 150g/L to 300g/L, and a medium trace element with the content of 1g/L to 20g/L. The preparation method of the biological organic-inorganic liquid fertilizer comprises the following steps of first, carrying out fermentation cultivation on a beneficial microorganism solution, so that the content of an effective bacterium in the beneficial microorganism solution is above 100 hundred millions per milliliter, adding a microbial inoculum vigor-sustaining agent into a bacterium solution, treating the bacterium solution for 2 hours, then adsorbing the bacterium solution which is well treated by using a carrier, and adding the bacterium solution of which the adsorption is completed into the organic-inorganic liquid fertilizer, wherein the organic-inorganic liquid fertilizer needs to be subjected to a reaction in advance, so that inorganic nutrients in the organic-inorganic liquid fertilizer are subjected to an organic reaction, so as to reduce the harm of a high salt to a live bacterium.

The invention discloses a rod-shaped nitrogen and phosphorus co-doping mesoporous carbon material and a preparation method and application thereof. The rod-shaped nitrogen and phosphorus co-doping mesoporous carbon material is of a mesoporous structure and comprises the following components based on atomic percent: 23.70 to 33.85% of nitrogen content, 0.51 to 0.72% of phosphorus content, and the balance of carbon; the aperture is distributed from 1.74 to 1.95nm; the specific surface area is about 585 to 1,173m<2>/g; the pore volume is 0.49 to 1.07cm<3>/g. The preparation method comprises the following steps: mixing and agitating rod-shaped mesoporous silica, an organic high-molecular polymer, a nitrogen-containing precursor, a phosphorus-containing precursor and alcohol, in order to enable the carbon source, a nitrogen source and a phosphorus source to be fully dipped into a pore channel of mesoporous silica; drying until alcohol is completely volatilized to obtain a nitrogen source/ phosphorus source/ carbon phosphorus/ silica composition; sequentially processing by high-temperature carbonizing, silica removing and drying to obtain the rod-shaped nitrogen and phosphorus co-doping mesoporous carbon material. The rod-shaped nitrogen and phosphorus co-doping mesoporous carbon material is applied to manufacturing of an electrode material for a super capacitor.

The invention discloses an urban sewage treatment system and purification method and belongs to the technical field of sewage treatment. The sewage treatment and purification method comprises the steps of collection, physical precipitation, chemical precipitation, anaerobic biological treatment, anoxic biological treatment, aerobic biological treatment, adsorption, disinfection, ultrafiltration membrane filtration and sludge treatment in sequence. According to the method, a physical precipitation method, a chemical precipitation method and a biological purification method are used comprehensively to perform step-by-step classification treatment on different pollutants, the purification efficiency is high, the effluent quality is good, the nitrogen and phosphorus treatment capacity is higher, operation and maintenance are convenient, management is simple, and popularization and use can be realized.

The invention discloses a special composite fertilizer for tea. The composite fertilizer is prepared from the following components according to a certain weight ratio: an oil tea cake, peanut bran, Chinese herbal medicine residue, humic acid, manure of livestock and poultry, a biological bacterial preparation, a nitrogen-phosphorus-potassium fertilizer, a biological insecticide, zinc sulfate, magnesium sulfate, sodium molybdate and calcium superphosphate. According to the invention, an organic fertilizer, medium trace elements and a quick-acting inorganic fertilizer are organically combined, the Chinese herbal medicine residue is added at the same time, and therefore, the characteristic of combined fertilizer effects and insecticide effects of the composite fertilizer is obtained. The special composite fertilizer provided by the invention has the advantages of a reasonable formula, balanced nutrition, safety, no pollution, capacity of completely satisfying short-term and long-term demands of tea trees for nutrients and effects of balanced fertilization, soil improvement, environmental protection and effective promotion of output and quality of tea.

The invention discloses an amaranth special soilless culture nutrient solution and a preparation method thereof. The amaranth special soilless culture nutrient solution is prepared by major elements, trace elements and water. The major elements are composed of nitrogen, phosphorus, potassium, calcium, magnesium and sulfur. The trace elements are composed of iron, manganese, copper, zinc, boron and molybdenum. The amaranth special soilless culture nutrient solution is reasonable in component, rich in nutrition and low in cost, wherein raw materials are wide in source and readily available. The amaranth special soilless culture nutrient solution provides various nutrient elements and trace elements required for the growth and the development of amaranth, so that the robust growth of amaranth is realized. The transplanting stock survival rate of amaranth and the fruit and vegetable quality are improved, so that the yield and the quality are increased. The preparation method is reasonable, simple and easy in process, high in efficiency, low in application cost, simple in operation, easy to implement and extremely high in application prospect. The amaranth special soilless culture nutrient solution and the preparation method thereof are convenient to use and apply.

The invention discloses a special fertilizer for oil tea. The fertilizer is prepared from the following components according to a certain weight ratio: an oil tea cake, peanut bran, sawdust of paulownia, bone meal, Chinese herbal medicine residue, humic acid, a nitrogen-phosphorus-potassium fertilizer, a biological bacterial preparation, a biological insecticide, zinc sulfate, magnesium sulfate, sodium molybdate and borax. According to the invention, long-term demands of oil tea for nutrients can be completely satisfied when the special fertilizers for the oil tea with different proportions of N, P and K are applied in different growth stages of the oil tea, and the special fertilizer provided by the invention has the advantages of a reasonable formula, balanced nutrition, safety, no pollution and capacity of promoting better growth of the oil tea, enhancing soil environment and improving quality and oil output of the oil tea.

The present invention discloses a kind of nutritious rice with rich organic selenium and zinc and its production method. The nutritious rice with rich organic selenium and zinc has organic selenium content of 0.16-1.12 mg/kg and zinc content of 0.5-1.5 mg/kg. The nutritious rice with rich organic selenium and zinc is made of paddy with rich organic selenium and zinc, and the paddy with rich organic selenium and zinc is produced through applying selenium and zinc enriched fertilizer compounded with selenite, zinc fertilizer, organic nitrogen fertilizer, phosphate fertilizer and potash fertilizer and multifunctional trace elements during paddy growth.

The invention discloses a method for producing a bio-fertilizer from waste organic matters. The method comprises the following steps of: treating liquid and semi-liquid industrial wastes into solid organic matters according to the liquid adsorption property of dry straw; inoculating strains into the treated solid organic matters for fermenting; and adding a biological agent and nitrogen-phosphorus-potassium nutrients into the fermented organic matters for mixing or pelletizing to obtain the bio-fertilizer. The invention has the characteristics of simple method, realization of recycling of resources, promotion of the development of environmentally-friendly and ecological organic agriculture and guarantee of the safety of agricultural products and makes wastes profitable.