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529results about How to "Improve soil fertility" patented technology

Preparation method of soil conditioner

The invention relates to a preparation method of a soil conditioner, belonging to the technical field of fertilizer preparation. The soil conditioner is mainly prepared from the following raw materials in parts by weight: 50-70 parts of plant straw carbon, 20-35 parts of fowl/livestock dung, 10-15 parts of bone meal, 1-8 parts of potassium sulfate, 2-8 parts of wood vinegar liquid, 3-9 parts of plant growth regulator and 0.5-1 part of active agent. The preparation method comprises the following steps: preparing carbon powder, pretreating the fowl/livestock dung, preparing a mixture, assaying and detecting, granulating and packaging. The soil conditioner is prepared by mixing the crop straw/bamboo/wood/grass carbon, which is used as the main component, with certain amounts of trace elements, plant growth regulator and bamboo/wood/grass vinegar liquid; since the soil conditioner not only is rich in the three main nutrient elements (nitrogen, phosphorus and potassium) which are essential for crops, but also contains secondary and trace elements, such as calcium, magnesium, sulfur, iron, boron, molybdenum, copper, cobalt and the like, the nutrient proportion of the soil conditioner is reasonable; and when being used as a conditioner, the soil conditioner can increase the organic content of soil and provide more comprehensive nutrients for crops, so that the crops have the advantages of good growth vigor, plump grains and much higher yield.
Owner:唐山汇力科技有限公司

Iron-based biochar material, preparation therefor and use thereof in soil pollution control

The present invention belongs to the technical field of soil heavy metal remediation, specifically discloses a method for preparing the iron-based biochar material, the iron-based biochar material prepared there from and a method for controlling the heavy metal pollution in soil using the iron-based biochar material. For the iron-based biochar material of the present invention, by using a method of high-temperature carbonization, a biomass is used as a raw material and an iron-containing compound is add in the process of preparing biochar, wherein iron is incorporated in a specific ratio, to form the iron-based biochar material with a special structure and function. The material has a simple preparation process, low cost and a short production period; the prepared iron-based biochar material has an unique effect on the arsenic-cadmium combined pollution soil remediation, can effectively reduce the bioavailability of arsenic and cadmium in the soil, significantly reduces the arsenic and cadmium contents in the agricultural products planted in the arsenic-cadmium combined pollution soil, and has no toxic and side effects on the crops, is safe to apply and can be applied to the control of arsenic-cadmium combined pollution soil in a large scale.
Owner:GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI

Method for double cropping leisure plantation of wheat and corn in North China

InactiveCN103609319AEfficient use ofImprove annual productionHorticultureSeederTillage
The invention belongs to the technical field of wheat and corn cultivation and particularly relates to a method for double cropping leisure plantation of wheat and corn in North China. According to a corn planting mode, the ridge width is 110-120cm, the ridge face width is 80-90cm, the furrow width is 30-40cm, the ridge height is 10-15cm, two rows of corn is planted on one ridge, wide and narrow row plantation is adopted, wide rows are 80-90cm wide, narrow rows are 30-40cm wide, and the planting distance is 10-15cm; after the corn is harvested, rotary tillage is performed on the wide rows through a strip rotary cultivator, high stubble of 35-45cm remains in the narrow rows to naturally rot and return to fields, the wide rows are ridged through a ridger, wheat is sown on the ridges through a ridge culture seeding machine, every ridge is divided into six rows for seeding, equidistant row seeding is performed, and the row space is 15-20cm; after the wheat is harvested, a corn planter is used to directly seed the corn on the ridges, and circulation is performed in a whole year. The optimized alternate leisure plantation method is adopted, reasonable water and fertilizer management, deinsectization and weeding management are adopted, all links are collaborative with each other, and the remarkable effect is achieved.
Owner:MAIZE RES INST SHANDONG ACAD OF AGRI SCI

Biological compound fertilizer containing organic and inorganic components and preparation method thereof

The invention discloses biological compound fertilizer containing organic and inorganic components and a preparation method thereof. The compound fertilizer comprises beneficial microorganism flora, organic matter, humic acid and inorganic nutrient. The preparation method comprises the following steps of: grinding the raw materials including 50-60% of organic matter, 5-10% of humic acid and 20-40% of inorganic nutrient by a grinder into powder of 80-120 meshes; putting 50-100 million beneficial bacteria per gram of product into a mixer, uniformly mixing and feeding into a granulator for granulation; drying, cooling and screening; and finally packing to obtain a finished product, wherein organic matter accounts for 20-30%, and humic acid accounts for 3-5%; in the inorganic nutrient, major elements account for 15-25%, the secondary elements account for 5-10%, and the trace elements account for 1-2%; and each gram of the finished product contains 30-50 million beneficial bacteria. The fertilizer disclosed by the invention is suitable for any crop; the fertilizing experiments of the fertilizer are conducted on paddy rice, cotton, rape, melon and fruit, wheat and vegetables; and the results show that: the yield of the experimental group is increased by 15-30% over the control group without using the fertilizer, and the yield increasing effect is obvious.
Owner:李焕明

Balanced fertilization method under condition of wheat/corn one-year-two-harvest cultivation total straw returning

The invention relates to a balanced fertilization method under the condition of wheat/corn one-year-two-harvest cultivation total straw returning. In the winter wheat season, corn ears are harvested when corn is ripe, straw and root remains are smashed, or the straw and the root remains are smashed while the corn ears are harvested by a machine, the corn straw and the root remains are smashed once again before soil preparation, base fertilizer is applied, soil is subjected to rotary tillage or is subjected to ploughing to bury the corn straw, then rotary tillage is conducted, wheat is sown, and topdressing is carried out in the jointing stage; in the summer corn season, wheat is harvested by the machine when being ripe, meanwhile, wheat straw is smashed, the wheat straw is made to cover the field, then corn is subjected to no-till machine seeding or manual dibble seeding, wheat stubble cleaning is carried out at the corn seedling stage, topdressing is performed at the belltop stage and the anthesis maturity period, or the corn is subjected to no-till machine seeding, meanwhile, seed fertilizer is applied, and topdressing is performed at the belltop stage and the anthesis maturity period. According to the balanced fertilization method, wheat and corn are used as one fertilization unit, the fertilizing amount and the fertilizing method are balanced, the full stand and healthy seedling and the high and stable yield of wheat and corn are guaranteed, soil organic matter is increased, the soil fertility is raised, sustainable highyield is achieved, and the fertilizer utilization efficiency is improved.
Owner:WHEAT RES INST OF AGRI SCI

Method for planting and tilling and compacting green manure in advance in soil of tobacco-growing area

The invention discloses a method for planting and tilling and compacting green manure in advance in soil of a tobacco-growing area. The method comprises the following steps of: seed selection, sowing, fertilizer and water management, and tillage: selecting high-yield and early-maturing varieties of green manure such as smooth vetch, hairy vetch, common vetch or cow vetch, interplanting green manure seeds in a tobacco field by adopting a broadcast sowing manner in the tobacco-growing area at an altitude being below 1,200m during a picking and baking period of central tobacco leaves from August to early September, arranging matched canals and ditches to ensure drainage and irrigation, after green manure seedlings grow out, broadcasting common superphosphate and urea to promote the growth of green manure, and tilling the green manure into soil with the depth of 10-20cm in winter from December to next January, wherein green manure plants are not exposed to the outside after tillage. The method effectively solves the contradiction among the planting of the green manure in the tobacco-growing area, the tillage of frozen earth in winter and the 'three-priority' technology, improves the soil of the tobacco-growing area, and enhances the soil fertility, so that the quality of tobacco leaves can be improved steadily.
Owner:INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI

Special sustained-release fertilizer for watermelons by using biomass granular carbon and preparation method thereof

The invention discloses a special sustained-release fertilizer for watermelons by using biomass granular carbon as a matrix and a preparation method thereof. Granular carbon prepared from corn cob, peanut hulls, rice hulls, edible fungus substrate and other agricultural waste biomasses is used as a matrix material, and is compounded with nitrogen, phosphor, potassium and other nutritional elements which are necessary to growth and development of watermelon by utilizing the microporosity and strong adsorptivity of the granular carbon to prepare the granular-biomass-carbon-based special sustained-release fertilizer for the watermelons. The biomass granular carbon used in the invention is black biomass granular carbon particles formed after agriculture waste biomass is incompletely combusted in a low-oxygen condition, has multiple properties similar to soil humus, has strong capacities of adsorbing and maintaining nutrition and moisture, and can be used for stimulating crop growth with good sustained release performance to nitrogen, phosphor and potassium, so that the requirement of watermelons for nutritions in the whole growing period can be effectively supplied when the prepared sustained release fertilizer is applied once. Furthermore, the fertilizer has the characteristics of increasing the soil productivity, improving the soil structure along with high efficiency and environmental friendliness and the like, and is advantageous to large-scale popularization and application in watermelon production.
Owner:上海孚祥生态环保科技股份有限公司

Active soil-improving fertilizer and preparation method thereof

The invention discloses an active soil-improving fertilizer and a preparation method thereof. The active soil-improving fertilizer is characterized by comprising the following components in parts by weight: 300-400 parts of animal manure, 200-250 parts of fish pond sludge, 25-300 parts of plant straw powder, 1-2 parts of effective microorganisms, 20-25 parts of calcium oxide, 12-16 parts of potassium hydroxide, 15-18 parts of sodium silicate, 24-30 parts of kieselguhr and 6-8 parts of soil improver. The soil improver contains bowlder which contains abundant microelements beneficial to the human body, and the microelements are absorbed by the crops and converted through the food chain so as to be beneficial to the human body; and meanwhile, the adsorption component can effectively adsorb and cure toxic heavy metal elements in soil, and reduce the heavy metal elements absorbed by the crops. The fertilizer can enhance the crop yield. The fertilizer can well improve the soil and enhance the soil productivity, has the advantages of high air permeability, high zymolysis capacity, high nutrient substance content, fertilizer retention, water retention, enduring fertilizer efficiency and high utilization ratio, and can promote the growth of crops, thereby greatly enhancing the yield of the crops and improving the quality of the crops.
Owner:合肥市益农养殖有限公司

Special slow-release fertilizer taking biomass granular charcoal as matrix for hot pepper and preparation method for same

The invention discloses a special slow-release fertilizer taking biomass granular charcoal as a matrix for hot pepper and a preparation method for the same. The preparation method comprises the following steps of: taking the granular charcoal which is prepared from the agricultural waste biomasses of corncobs, peanut shells, rice hulls, edible fungi matrix and the like as a matrix material, compounding the matrix material with nitrogen, phosphorus, potassium and other nutrient elements which are necessary to the growth and development of hot pepper by virtue of the microporous property and the strong adsorption capacity of the matrix material, and then preparing the granular biomass charcoal-matrix special slow-release fertilizer for hot pepper. The biomass granular charcoal used in the preparation method disclosed by the invention is the black biomass granular charcoal granules formed by the agricultural waste biomasses after incomplete combustion in a low-oxygen condition, has various characteristics similar to the characteristics of soil humus, as well as is very strong in the capacities of adsorbing and keeping nutrients and water, capable of stimulating the growth of crops, and good in slow-release performance for nitrogen, phosphorus and potassium; and the slow-release fertilizer prepared from the biomass granular charcoal can effectively meet the need of hot pepper to nutrients in the whole growing period in case of being applied once, and has the characteristics of enhancing soil fertility, improving soil structure, being efficient and environment-friendly and the like, thus being beneficial to large-scale popularization and application in production for hot pepper.
Owner:上海孚祥生态环保科技股份有限公司

Method for breeding earthworms through biomass solid waste

The invention discloses a method for breeding earthworms through biomass solid waste. The method includes the steps of (1) mixing the biomass solid waste with livestock and poultry feces in a breeding device after the biomass solid waste is smashed, (2) reacting the mixture for 5 days-9 days at 50 DEG C-90 DEG C to obtain earthworm breeding matrixes, (3) placing the earthworms in the earthworm breeding matrixes, and adjusting the pH value, the humidity and the temperature to carry out breeding, (4) after the earthworms are bred for 18 days-22 days, harvesting the earthworms when the weights of the earthworms range from 400 milligrams to 500 milligrams, and the density of the earthworms ranges from 15,000 to 20,000 per square meter, and (5) scraping the breeding matrixes on the upper layer after the earthworms are bred for three days, and adding the new breeding matrixes, wherein the scraped breeding matrixes are earthworm feces organic fertilizers. The method has the advantages that the biomass solid waste is decomposed and converted in the bodies of the earthworms through feeding habits and intermediate propagation and metabolism of the earthworms, the high-quality earthworms and high-quality earthworm feces are obtained, the biomass solid waste is recycled, land resources are saved, the resource use efficiency is improved, and the remarkable economic benefits are obtained.
Owner:NANKAI UNIV
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