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1576 results about "Soil nutrients" patented technology

Soil is a major source of nutrients needed by plants for growth. The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK.

Soil fertility amendment and preparation method thereof

The invention provides a multifunctional soil nutrient conditioner formula with low cost, practicality and effectiveness and a preparation method thereof aiming at the technical problems. The production technology is simple, the production cost is low, and no harmful gas and sewage are generated during production. The product can effectively provide dozens of nutritive elements required for plant growth, is applied by being combined with a common fertilizer and an organic fertilizer, and can obviously improve the utilization rate of the fertilizer, so as to reduce the fertilizer input; and simultaneously the product can obviously stimulate action of beneficial floras of the soil, inhibit action of causal organisms, and increase the disease suppression of the soil and the resistance of plants, and then can effectively control generation of physiological diseases and soil-borne diseases, so as to reduce the pesticide input. The fertilizer input and the pesticide input can be reduced by more than 15 to 30 percent, and the yield can be increased by more than 15 to 30 percent, and simultaneously the product quality is obviously improved and cost conservation and synergism are obvious. Moreover, the soil improvement effect is obvious, and the sustainable utilization capacity can be obviously enhanced.
Owner:仲元(北京)绿色生物技术开发有限公司 +1

Rice fertilizer capable of improving resistance, quality and yield of rice

The invention relates to rice fertilizer capable of improving the resistance, quality and yield of rice. The rice fertilizer consists of the following raw materials in percentage by weight: 20.0 to 27.0 percent of urea, 7.0 to 20.0 percent of ammonium sulfate, 5.0 to 13.0 percent of monoammonium phosphate, 9.8 to 17.5 percent of potassium chloride, 10.0 to 18.5 percent of calcium superphosphate, 3.0 to 6.0 percent of calcium-magnesium phosphate, 2.0 to 8.0 percent of soluble silicon, 0.1 to 0.9 percent of amino acid, 5.0 to 30.0 percent of humic acid, 0.5 to 6.0 percent of other trace elements (zinc, manganese, boron, ferrum, copper, molybdenum, selenium and the like), 0.2 to 0.5 percent of activating agent and less than or equal to 2.5 percent of water. The rice fertilizer has the advantages of comprehensively providing the nutrient required by growth of rice, improving the yield and the quality of rice, activating the nutrient of soil, enhancing the capacity of absorbing nutrient by crops, improving a soil structure, enhancing soil fertility, promoting development, and improving the resistance of the crops (disease resistance, pest resistance, drought resistance, flooding resistance, cold resistance, saline-alkaline resistance, lodging resistance and the like).
Owner:王豫希

Fruit tree special-purpose fertilizer and preparation method thereof

The invention discloses a fruit tree special-purpose fertilizer which is prepared from the raw materials of, by weight: 300-340 parts of live stock and poultry manure, 200-230 parts of soybean stalk, 100-120 parts of bagasse, 100-120 parts of air-dried sludge, 50-55 parts of beer grains, 30-35 parts of ox blood powder, 20-24 parts of cooked soybean, 60-65 parts of rock phosphate powder, 14-18 parts of bamboo charcoal, 10-12 parts of maifanite powder, 12-15 parts of zeolite powder, 30-35 parts of urea, 50-55 parts of mono-ammonium phosphate, 20-23 parts of ammonium sulfate, 6-9 parts of an EM inoculant, 10-15 parts of a soil conditioner, and proper amount of water. According to the fruit tree special-purpose fertilizer, wastes such as live stock and poultry manure, soybean stalk, bagasse, air-dried sludge, and the like are adopted as main raw materials, such that resource is saved, and problems such as environment pollution are solved. The raw materials are convenient to obtain, and are cheap, such that good environmental and economic benefits are provided. The fertilizer provided by the invention has the advantages that: with the fertilizer, beneficial microbe number and activity are improved, soil physiochemical traits are improved, soil nutrients are increased and balanced, and pesticide and chemical fertilizer residue and other harmful substances in soil can be degraded.
Owner:ANHUI WANLI ECOLOGICAL LANDSCAPE

Optimized recommended fertilization method for soybeans

ActiveCN105165215AOptimize inputImprove investment ratioFertilising methodsNitrogenPotassium
The invention discloses an optimized recommended fertilization method for soybeans. The recommended fertilization method includes the steps of: 1) determining the target yield of soil according to previous soybean yield level of soil; 2) determining the soil nutrient supply grade, soybean fertilization yield response and agronomical efficiency; 3) combining the target yield, yield response, agronomical efficiency and soil nutrient supply grade to calculate the recommended fertilization amount of nitrogen, phosphorus and potassium needed by soybeans to achieve the target yield; and 4) conducting fertilization on soil according to the recommended fertilization amount. The method is based on soil basic nutrient supply, soybean nutrient demand, fertilizer yield response and agronomical efficiency, takes nutrient collaboratively optimized optimal nutrition management as the principle, simultaneously takes the balanced application of nutrients into account, performs analog calculation to give a reasonable recommended fertilization amount finally, and can be applied without soil testing conditions. The recommended fertilization method is not only suitable for the small farmer-oriented business model in China, but also can achieve the regional scale fertilizer recommendation, and is an important way to realize soybean production and efficiency increase and improvement of the comparative advantage.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Damage-free measurement method for soil nutrient content based on near infrared spectra technology

The invention discloses a nondestructive method for measuring nutrient content in soil based on near-infrared spectral technique. The method comprises two stages of calibration model construction and unknown sample measurement. The calibration model construction stage comprises the following steps of: firstly collecting samples of different soil types as a calibration sample set, scanning to obtain the near-infrared spectra of the calibration sample set, and performing spectra pretreatment to the obtained spectral data; measuring the nutrient content of the samples for model construction with GB method as standard content; and constructing a quantitive relationship between the near-infrared spectra of samples for model construction and standard nutrient content thereof using multivariate calibration algorithm to obtain a calibration model. The unknown sample measurement stage comprises the following steps of: scanning soil samples to be detected to obtain the near-infrared spectra thereof, inputting the spectral data after corresponding spectra pretreatment to the calibration model, and measuring with the calibration model to obtain the content of each nutrient. The whole process is under computer control, and the invention realizes data collection, storage, display and processing functions.
Owner:ZHEJIANG UNIV

Bacillus aryabhattai J5 and application thereof

The invention belongs to the field of microbial resources, and particularly discloses a strain of Bacillus aryabhattai J5 and application thereof in promoting growth of corn. The Bacillus aryabhattai J5 is collected in CGMCC (China General Microbiological Culture Collection Center) on October 15th, 2015 and is filed with the number of CGMCC NO.11508. The Bacillus aryabhattai J5 has functions of producing auxin, siderophore, ammonia and protease, dissolving phosphorus, resisting to salt, realizing antagonism, and the like. As the strain is capable of growing normally in a culture medium with salt content equal to 11%, the strain has good potential in eliminating soil salinization. As content of siderophore produced by the strain is up to 53.7%, the strain has effective disease-prevention property. By the strain, corn seed germination rate can be increased by 12.5%, and accordingly the strain has good growth promoting effect. By application of microbial inoculum prepared from the strain, corn yield is increased by 37.1%, and hundred-grain weight is increased by 35%. It is possible to develop the strain into microbial inoculum, and accordingly the strain has wide application prospect in terms of improving soil nutrient, eliminating salinization, promoting growth of plants, preventing diseases and the like.
Owner:SOUTH CHINA AGRI UNIV

Chicken manure fermentation organic fertilizer

The invention discloses a chicken manure fermentation organic fertilizer, which is prepared from the following raw materials: chicken manure, straw powders, konjak flour, corn flour, cellulose, zeolite, humic acid, potassium dihydrogen phosphate, urea, peat soil, a leavening agent, a soil improvement agent, a film coating agent, potassium sulfate, borax and calcium superphosphate. The above raw materials are subjected to the integrated treatment of anaerobic fermentation and aerobic fermentation, so that the organic fertilizer is prepared through the fermentation of the chicken manure. The chicken manure fermentation organic fertilizer is complete in fermentation effect, and is capable of killing plant pathogenic bacteria, eggs, weed seeds and other harmful microorganisms in the chicken manure, and generating a large amount of nutrients beneficial to the plant growth and the plant absorption. The process is simple and easy to implement. The raw materials of the prepared organic fertilizer are rich in nutrition. Meanwhile, the prepared organic fertilizer is high in fertilizer efficiency and rich in nutrition, and can coordinate the soil nutrient balance, improve the soil nutrient, promote the plant growth, increase the plant yield and improve the plant quality.
Owner:盐亭县佳贝特禽业发展有限公司

Efficient green micro-crystallized mineral-biological compound fertilizer and production method thereof

The invention discloses an efficient green micro-crystallized mineral-biological compound fertilizer and a production method thereof. The compound fertilizer comprises the following components in parts by mass: 7-9 parts of N, 7-9 parts of P2O5, 7-9 parts of K2O, 25-30 parts of organic matters, 8-12 parts of humic acid, 3-6 parts of amino acid and 15-20 parts of chemical elements such as calcium,silicon, magnesium, selenium, molybdenum, boron and zinc, as well as not less than 0.02 billion/kg of available active bacteria. The efficient green micro-crystallized mineral-biological compound fertilizer has the beneficial effects of being capable of adapting to acidic-alkaline soil and neutral soil in various regions, improving the soil, enhancing the adsorption ability of the soil on nutrients, preventing nitrogen and potassium from being washed away by water due to a large amount of rainfall, reducing formation of insoluble phosphate and improving fertility of the soil; and in addition,nitrogen, phosphorus and potassium in the original soil can be activated to be absorbed by crops by virtue of microelements contained in the fertilizer, and the supply capability of the deep soil nutrients can be enhanced, thus the physiochemical indexes and biological environment of the soil can be improved in case of long-term application, hardened soil can be reduced, and the quality of crops can be obviously improved.
Owner:山东清大生态科技有限公司

Soil conditioner with multiple benefits

The invention relates to a soil conditioner with multiple benefits. The soil conditioner with multiple benefits is prepared by adopting the steps: screening 2-5 parts of biochar, 1-5 parts of polyacrylamide, 1-4 parts of potassium humate, 1-4 parts of ammonium lauryl sulfate polymer and 1-3 parts of bentonite by using a 100-mesh sieve after crushing, charging in a stirrer, pelleting by using a fertilizer pelleting machine after fully uniformly mixing, and processing into a final uniform smooth particle finished product by adopting a multistage granulated fertilizer spheroidizing machine to obtain the soil conditioner with multiple benefits. According to the soil conditioner, a soil sand claying ratio can be adjusted, the soil structure is improved, and the formulation of a granular structure is promoted; the soil water retention and holding capacity is improved, the available water supply is increased, the soil pH value is adjusted, and the aluminum toxicity damage is reduced or decreased; the saline-alkali soil is improved, the soil base saturation percentage and the cation exchange capacity are adjusted; an unbalanced soil nutrient system is conditioned, the available nutrient supply is promoted; the polluted soil is remediated, the heavy metal ion inactivation function is achieved; a soil microflora is adjusted, and the soil microorganism environment is kept good.
Owner:武汉盛大神农生物工程有限公司

Measuring method for researching runoff and sediment production rule of overland flow and underground pore fracture flow

The invention discloses a measuring method for researching the runoff and sediment production rule of an overland flow and an underground pore fracture flow. An artificial rainfall device, a self-made experimental apparatus, a small plastic barrel, a large plastic barrel with graduations, a sampling bottle, a graduated cylinder and a beaker are provided in the method. The measuring method comprises the following steps of: A, setting and measuring the bare rate of bedrock; B, measuring the underground pore fracture degree; C, determining the raininess; D, collecting a runoff sample and a sediment production sample; E, measuring the runoff volume; F, measuring the sediment yield: measuring suspended sediments and measuring traction loads; G, measuring the loss of soil nutrients; H, measuring the content of sediment nutrients; and I, measuring the content of runoff nutrients. The invention provides the effective method for accelerating to research the soil erosion mechanism in the karst region through researching the runoff and sediment production rule of the overland flow and the underground pore fracture flow in the karst region by combining the self-made experimental apparatus which is capable of adjusting the slope and the pore fracture degree and manually simulating rainfall.
Owner:GUIZHOU UNIV
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