36results about How to "Increase the amount of substitution" patented technology

The present invention provides a selenium-rich rice compound fertilizer. The compound fertilizer comprises the following raw materials in parts by weight: 400-600 parts of a nitrogen-phosphorus-potassium fertilizer, 50-70 parts of nitro humic acid, 2-8 parts of organic trace elements, 3-7 parts of inorganic trace elements, 10-20 parts of biomass slag, and 1-2 parts of inorganic selenium salt. The organic trace elements comprise a sucrose sugar complex and a humic acid complex. The selenium-rich rice compound fertilizer provided by the present invention has the advantages that the selenium-rich rice compound fertilizer is high in rice yield, high in plant disease resistance and suitable to be applied in large area; rice ears are relatively large and heavy; and because selenium-rich rice contains selenium that is essential for human bodies and animals, the selenium-rich rice is high in nutritional value and beneficial for health.

The invention discloses a special fertilizer for corn. The special fertilizer is prepared from the following raw materials: nitrogen fertilizer, phosphate fertilizer, potash fertilizer, zinc fertilizer, nitrohumic acid, organic trace elements, inorganic trace elements, medium elements, biomass ash and lime powder, wherein the organic trace elements include tartaric acid complex copper, sucrose complex iron, sucrose complex zinc, sucrose complex manganese, sucrose complex magnesium, humic acid complex potassium, humic acid complex magnesium, humic acid complex zinc, humic acid complex calcium and humic acid urea iron. Through reasonable collocation of organic fertilizer and inorganic fertilizer and with high-quality humic acid, the special fertilizer for corn disclosed by the invention promotes the growth and maturity of corn, enhances quick growth of corn plant, greatly enhances the soil fertility, increases the corn yield and improves the utilization rate of fertilizer.

The invention discloses a fertilizer special for selenium-rich and chromium-rich dark green wax gourds. The fertilizer is prepared from alternanthera philoxeroides green manure, ammonium carbonate, calcium superphosphate, potassium chloride, a microbial growth regulator, tea seed cake manure, decomposed cow dung, coal ash, carbendazim, an urease inhibitor, octyl mercaptan, sodium borate, kudzu vine powder, organophosphorus bacterium manure, borax, thiram wettable powder, organic microelements, biomass ash, chromium trichloride and inorganic selenium salt. The organic microelements comprise a tartaric acid complex, a saccharose complex and a humic acid complex. The fertilizer special for the selenium-rich and chromium-rich dark green wax gourds has the advantages that the yield of the wax gourds is high, the disease resistance of plants is high, and the fertilizer is suitable for being applied in a large area; besides, the obtained wax gourds are big, heavy and good in quality; the selenium-rich and chromium-rich dark green wax gourds contain selenium and chromium necessary for the human body and animals and are high in nutritive value and good for health.

Method for processing of pozzolans comprising fly ash such as Class F and/or Class C fly ash used for preparation of mortars and concretes, characterized in that the pozzolans is subjected to a high energetic mechanical processing by means of grinding in a grinding equipment to a fineness of the final product with a retention on a sieve 30 microns being less than 5%, whereby the pozzolan particles receive mechanical impulses when non-cenosphere in the form of coarse scoria particles are disintegrated and whereby the surface of cenosphere grinded particles is activated.

The invention provides a selenium rich paddy rice planting method. The selenium rich paddy rice planting method includes the steps: seed soaking and processing, transplanting, topdressing, field management, harvesting and other steps. Paddy rice seeds are soaked in selenium liquid, and is fertilized by selenium rich compound fertilizer for four times during the planting process, and the selenium rich compound fertilizer contains rich selenium. The selenium rich paddy rice planting method utilizes the compound fertilizer with rich selenium, high nitrogen content, high-quality humic acid, and organic trace element to improve the fertility of soil and increase growth speed of paddy rice plants, thus improving the utilization rate of fertilizer, reducing loss of fertilizer, and significantly improving paddy rice yields. So that the selenium rich paddy rice obtained through the method has high quality, and is healthy to eat and is nutrient-rich.

The invention provides a preparation method of a compound photosynthetic bacterial fertilizer. An ectothiorhodospira shaposhnikovii strain of chromatiaceae and a rhodocyclus tenuis strain of rhodospirillaceae are subjected to culture steps such as seed activation culture, seed culture, illumination culture in an anaerobic fermentation tank and the like, and the high-concentration compound photosynthetic bacterial fertilizer containing ectothiorhodospira shaposhnikovii and rhodocyclus tenuis is obtained. The compound photosynthetic bacterial fertilizer can realize disease prevention, fertilization, medicinal residue degradation and soil remediation, takes effect fast and has a stable effect, and the use amount is small. The preparation method of the compound photosynthetic bacterial fertilizer obtained after mixed culture of ectothiorhodospira shaposhnikovii and rhodocyclus tenuis which are high in growth speed, high in thallus content and short in culture time is provided.

The invention provides a preparation method of an industrial waste gas purification catalyst. The preparation method can improve the sintering resistance and catalytic activity of the catalyst and comprises steps as follows: 1) one or more of aluminum isopropoxide, an alkaline-earth metal precursor, a rare-earth metal precursor and a transition metal precursor are dissolved in a solvent; 2) activated alumina, silicon nitride and a dispersant are added and mixed, and suspension slurry is formed; 3) a catalytic coating is formed by coating a catalyst carrier with the suspension slurry and dried; 4) the catalytic coating is placed in a flowing reductive atmosphere for roasting; 5) the catalyst coating is immersed in a precious metal solution for impregnation, dried and roasted at the roasting temperature of 400-700 DEG C, and a final product is formed.

The invention provides a preparation method of a compound photosynthetic bacterial fertilizer, and particularly provides a preparation method of the compound photosynthetic bacterial fertilizer obtained after mixed culture of thiocapsa roseopersicina and rhodopseudomonas sphaeroides which are high in growth speed, high in thallus content and short in culture time. A thiocapsa roseopersicina strain of purple sulfur photosynthetic bacteria and a rhodopseudomonas sphaeroides strain of purple non-sulfur photosynthetic bacteria are subjected to culture steps such as seed activation culture, seed culture, illumination culture in an anaerobic fermentation tank and the like, and the compound photosynthetic bacterial fertilizer containing thiocapsa roseopersicina and rhodopseudomonas sphaeroides is obtained. The compound photosynthetic bacterial fertilizer can realize disease prevention, fertilization, medicinal residue degradation and soil remediation, takes effect fast and has a stable effect, and the use amount is small.

The invention provides a preparation method of photosynthetic bacterial manure, and particularly provides the preparation method of photosynthetic bacterial manure for preventing and controlling hydrogen sulfide poisoning of rice. According to the preparation method, a thiocapsa roseoppersicina strain in purple sulfur photosynthetic bacterium is adopted and treated by steps of semi-solid seed activated culture, seed culture, illumination culture in an anaerobic fermentation tank and the like to obtain high-concentration bacterium liquid of the thiocapsa roseoppersicina; the high-concentration bacterium liquid can be capable of rapidly degrading hydrogen sulfide in a rice field, promoting root development of the rice and restoring soil so as to play an role in increasing the yield. According to the preparation method disclosed by the invention, the prescription of a culture medium for culturing the thiocapsa roseoppersicina and the culture condition are optimized a lot of times, so that the culture time is greatly shortened, 2 thousand of million cfu/ml of photosynthetic bacterium thiocapsa roseoppersicina bacterial manure can be obtained just after 7-10 days of fermentation, the production efficiency is improved and the production cost is lowered. In the photosynthetic bacterial manure disclosed by the invention, the thiocapsa roseoppersicina is high in hydrogen sulfide degrading speed and low in used amount for a large field; the effect of increasing the yield can be achieved by applying 100ml of the photosynthetic bacterial manure per mu every time.

The invention provides a planting method of rice rich in selenium and chromium. The planting method comprises the following steps of: soaking seeds, transplanting rice seedlings, applying a fertilizer, carrying out field management, harvesting and the like. The rice seeds are soaked by selenium and chromium solutions, the compound fertilizer which is rich in selenium and chromium is applied for four times in the planting process, and the compound fertilizer which is rich in selenium and chromium contains rich selenium and chromium elements. According to the planting method of the rice rich in selenium and chromium, the compound fertilizer which is rich in the selenium element and high in nitrogen content and comprises high-quality humic acid and organic trace elements is utilized to improve soil fertility and promote the rapid growth of rice plants, the utilizing rate of the fertilizer is increased, fertilizer losses are reduced, rice yield is obviously increased, and the rice is high in quality, healthy to eat and rich in nutrients.

The invention relates to the technical field of ferrite material preparation, and discloses a hexagonal magnetoplumbite permanent magnetic ferrite material and a preparation method thereof. The general formula of the permanent magnetic ferrite material is A1-x-yCaxRyFe2n-zMzO19, wherein A is Sr or Sr and Ba, R comprises La, and M comprises Co; and x ranges from 0.15 to 0.4, y ranges from 0.3 to 0.5, z ranges from 0.25 to 0.45, and n ranges from 5.3 to 5.7. The preparation method comprises the steps of burdening, presintering, ball milling, forming and sintering. On the basis of hexagonal Sr ferrite, La<3+> ions and Ca<2+> ions are adopted to jointly replace the position of Sr<2+>, damage to the crystal structure of the magnet is avoided, the substitution amount of Co<2+> ions is effectively increased, and the prepared permanent magnetic ferrite material can obtain high residual magnetism and intrinsic coercive force at the same time.

The invention relates to peanut fertilizer which is composed of the following components in parts by weight: 450-550 parts of urea, 100-120 parts of diammonium phosphate, 70-100 parts of potassium sulfate, 50-60 parts of ferrous sulfate, 60-72 parts of zinc sulfate, 60-70 parts of humic acid, 80-92 parts of nitro humate, 10-12 parts of EDTA-Zn, 10-12 parts of EDTA-Fe and 10-12 parts of EDTA-B. Compared with the prior art, the peanut fertilizer disclosed by the invention is reasonable in nutrient proportion according to a nutrient demand of peanut, and can improve a fertilizer utilization rate, improve soil structure and reduce agricultural cost.

The invention discloses a selenium and chromium-rich fertilizer specially used for cucumbers. The fertilizer is prepared from the following raw materials: alternanthera philoxeroides green manure, ammonium carbonate, calcium superphosphate, potassium chloride, a microorganism growth-regulating agent, a tea seed cake fertilizer, decomposed cow dung, pulverized fuel ash, carbendazim, a urease inhibitor, octyl mercaptan, sodium borate, kudzu vine powder, an organic phosphorus bacteria fertilizer, borax, Thiram wettable powder, organic trace elements, biomass ash residue, chromium trichloride and inorganic selenium salt, wherein the organic trace elements comprise a tartaric acid complex, a sucrose complex and a humic acid complex. The selenium-rich rice compound fertilizer provided by the invention has the advantages of being high in cucumber yield, high in plant disease resistance and suitable for large-area application; furthermore, the cucumbers obtained by applying the fertilizer are bigger and heavier, and have good quality; the selenium and chromium-rich cucumbers contain selenium and chromium elements which are necessary to a human body and animals, thus being high in nutritive value and good for health.

The invention discloses a soil percolation agent, particularly relates to a sponge city greenbelt soil percolation agent and a preparation method thereof, and belongs to the technical field of soil improvement. The sponge city greenbelt soil percolation agent is prepared from the following raw materials in parts by volume: 100-150 parts of calcium carbonate, 70-120 parts of phosphogypsum, 4-10 parts of aluminum sulfate, 100-200 parts of furfural residues, 160-280 parts of lignite powder, 150-180 parts of carbonized rice hull powder, 120-180 parts of zeolite powder, 100-150 parts of vermiculite, 20-40 parts of organic materials, 120-190 parts of fine river sand and 20-40 parts of perlite. The prepared soil percolation agent can improve hardened, acidified, salinized and poor-water-seepage-and-water-storage-performance soil, the water storage and purification capacity of greenbelts is effectively improved, the rainwater storage, filtration and purification functions of the greenbelt soilcan be obviously improved, and the soil percolation agent is widely used and can prevent occurrence of urban rainfall flood and waterlogging.

The invention provides a planting method of rice rich in strontium. The planting method comprises the following steps of: soaking seeds, transplanting rice seedlings, applying a fertilizer, carrying out field management, harvesting and the like. The rice seeds are soaked by a strontium solution, the compound fertilizer which is rich in strontium is applied for four times in the planting process, and the compound fertilizer which is rich in strontium contains rich strontium elements. According to the planting method of the rice rich in strontium, the compound fertilizer which is rich in the strontium element and high in nitrogen content and comprises high-quality humic acid is utilized to improve soil fertility and promote the rapid growth of rice plants, the utilizing rate of the fertilizer is increased, fertilizer losses are reduced, rice yield is obviously increased, and the rice is high in quality, healthy to eat and rich in nutrients.

The invention provides a selenium-enriched and chromium-enriched taro compound fertilizer. The selenium-enriched and chromium-enriched taro compound fertilizer is prepared from the following raw materials in parts by weight: 400-600 parts of nitrogen fertilizer, 800-1000 parts of potassium fulvic acid, 200-400 parts of coal residue powder, 50-100 parts of bagasse powder, 50-80 parts of silicon fertilizer, 30-40 parts of carbon enzyme, 50-70 parts of nitrohumic acid, 2-8 parts of organic trace elements, 3-7 parts of inorganic trace elements, 10-20 parts of biomass ash residue, 1-2 parts of inorganic selenium salt and 0.01-0.03 part of chromium trichloride. The organic trace elements comprise a saccharose complex and a humic acid complex. The selenium-enriched and chromium-enriched taro compound fertilizer has the advantages of high taro yield, high plant disease resistance and suitability for large-area application; the fruited taros are large and heavy, and are high in quality; the selenium-enriched and chromium-enriched taros contain selenium and chromium essential to human bodies and animals, are high in nutritive value and are beneficial to health.

The invention belongs to the field of biological organic fertilizer and organic fertilizer, and more specifically relates to a method used for preparing biological organic fertilizer and organic fertilizer through fulvic acid spraying granulation. According to the method, the adopted fulvic acid is biomass fulvic acid classified based on GB/T 35112-2017; industrial and agricultural production sideproducts are taken as the main raw materials, microbial fermentation technology is adopted to prepare the fulvic acid; the fulvic acid is soluble in diluted aqueous alkali, and acid and water, a diluted solution of the fulvic acid is yellow or brown-yellow (fulvic acid solution prepared through fermentation of sugar industry by product molasses alcohol concentrate, yeast concentrate, and other agricultural wastes); and then chelating, granulation, drying, cooling, and sieving are carried out so as to obtain the finished products. According to the method, resource utilization of production waste is realized; the prepared product is comprehensive in nutrients, is capable of shortening crop growth period, increasing yield, improving crop quality, and reducing using of fertilizers and pesticides; microbial fermentation is adopted, so that large molecules are converted into small molecules, all the components are soluble in water, and it is beneficial for adsorption by crops.

The invention relates to a high-performance polycarboxylic acid water reducing agent and a preparation method thereof, and belongs to the technical field of concrete admixtures in the construction industry. The high-performance polycarboxylic acid water reducing agent is a high molecular surfactant with a comb-type structure, wherein the high molecular surfactant is obtained by compounding of macromolecular compounds, comprising carboxyl and functional groups such as polyoxyethylene long chains, through free radical copolymerization with the presence of water as a solvent. Molecular main chains of the high-performance polycarboxylic acid water reducing agent are tightly adsorbed on the surfaces of cement particles, so that hydration reactions can be effectively inhibited to improve the plasticity retention; branch chains surround the cement particles to achieve the double effect of steric hindrance and electrostatic repulsion, which is completely different from the mechanism in which conventional water reducing agents disperse the cement particles through the electrostatic repulsion, so that high dispersing ability and good water reducing effect are achieved, and the comprehensiveperformance of concrete products is substantially boosted.