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1585 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.

Compound microbial fertilizer and method for producing same

The invention relates to a compound microbial fertilizer and a method for producing the compound microbial fertilizer. The compound microbial fertilizer comprises the following components by weight: 5-15 parts of inorganic fertilizer, 20-45 parts of organic fertilizer, 4-10 parts of medium trace elements, 10-25 parts of chelating agent and 1-8 parts of microbial agent. The compound microbial fertilizer is rich in organic matters, efficient chelating agent and functional micro-organisms and can improve the physical and chemical properties of soil, increase the utilization rate of the medium trace elements, keep the soil nutrient balance, restrain the occurrence of soil-borne diseases and enhance the crop yield and quality.
Owner:QINGDAO SHENLAN FERTILIZER IND

High-efficiency multielement compound foliage selenium fertilizer and preparation technique thereof

The invention discloses a high-efficiency multielement compound foliage selenium fertilizer which aims to increase selenium artificially. The high-efficiency multielement compound foliage selenium fertilizer comprises the following components: macroelements, medium elements, microelements, chelator, selenium, rare-earth elements, active organic substances, growth regulator and surfactant. The high-efficiency multielement compound foliage selenium fertilizer is especially suitable for producing selenium-rich tea, selenium-rich rice, selenium-rich corn and other selenium-rich agricultural products in low-selenium or selenium-deficient regions. The invention has the advantages of favorable raw material compatibility, scientific proportion, scientific technique and diversified and compounded nutrient elements, and can effectively solve the nutrient deficiency symptom of the crop, thereby achieving the goal of sufficiently supplementing insufficient soil nutrients.
Owner:李子先 +1

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

Biological soil nutrient system

ActiveUS20110003693A1Facilitate food and water usageSuccessful soil treatmentBiocideAnimal repellantsGrowth promotingBiology
A biological soil nutrient system that combines beneficial soil fungi and bacteria in a growth promoting nutrient medium, embedded in an inorganic porous ceramic particle for direct delivery during soil aerification to the rhizosphere of adventitious plants, including sports turf, landscape and agricultural applications.
Owner:PROFILE PRODS LLC

Lawn and garden sprayer

InactiveUS20040084552A1Complete coverageEasy accessWatering devicesSpray nozzlesSprayerSpray nozzle
A lawn and garden sprayer designed for homeowners, landscapers, and lawn-care professionals for the application of liquid organic fertilizers and soil amendments on small to medium sized yards and business landscapes. The lawn and garden sprayer is a lawn mower-like system that holds up to 8 gallons of water soluble fertilizers and soil nutrients which can be dispensed evenly, economically and easily through either two spray nozzles located in front of the front tires which provide a 24 inch overlapping spray directly to the turf, or by a wand sprayer attached to a pump by a 20 foot hose used to spray directly on trees, shrubs, plants, and beds.
Owner:HUARTSON WARREN CRAIG

Portable raman sensor for soil nutrient detection

An apparatus and method for detecting phosphorus in soil and vegetation are developed. In one embodiment, a portable Raman-based sensor is provided to obtain significant phosphorus absorption band in soils and to determine phosphorus concentrations. The portable sensor can have the capability to measure phosphorus concentrations in wet and dry soil samples as well as fresh and dry vegetations. In one embodiment, the portable sensor of the invention uses a 600 mW laser light source at 785 nm with a full width at half maximum of about 0.2 nm and a spectrometer that covers 340 and 3640 cm−1. Software, written in Visual C++, and partial least squares analysis were used to produce calibration and predictions models.
Owner:UNIV OF FLORIDA RES FOUNDATION INC

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

Maize soil testing fertilization method

InactiveCN102119602ACoordinating Nutrient RatioProportional coordinationEarth material testingFertilising methodsBiologyDiffuse pollution
The invention relates to a maize soil testing fertilization method which is realized by three steps of soil nutrient detection, fertilizing amount calculation and fertilization. The proportion of N, P and K is scientifically and reasonably adjusted, and the soil nutrient proportion is coordinated, therefore, the invention improves the utilization ratio of fertilizer by more than 3 percent on average, does not cause soil nutrient loss and unbalance, diffused pollution and soil acidification, improves the maize yield and is particularly suitable for the fertilization of a maize field.
Owner:招远市农业技术推广中心

Fertilizers and methods for using biotic science to feed soils

Biotic fertilizers are described that build soil nutrients by accelerating the growth of topsoil microorganisms Biotic fertilizers are primarily aimed at increasing populations of cyanobacteria, formally known as blue-green algae, and like organisms that have the ability to engage in photosynthesis reand to engage in the extraction of nitrogen from the atmosphere. Methods of biotic fertilizer manufacture are presented that utilize animal waste product as well as desirable compositions obtained thereby.
Owner:PERFECT BLEND

Novel strain of streptomyces fradiae and application thereof

ActiveCN102329754ASignificant disease resistanceSignificant nitrogen fixation and phosphorus releaseBio-organic fraction processingBacteriaMicroorganismMicrobiology
The invention discloses a novel strain CLIMAX-VSF of streptomyces fradiae. The preservation number of the novel strain is CGMCC No. 5133; the preservation date is August 12, 2011; and the preservation department is China General Microbiological Culture Collection Center. The invention further discloses a microbial inoculum containing the novel strain. The novel strain CLIMAX-VSF of the streptomyces fradiae, which is provided by the invention, has quite obvious performances of disease resistance, nitrogen fixation, phosphate solubilization and somatotropin secretion. By using the strain, the germination rate and the growth speed in a seedling stage can be obviously improved under the condition that nutrients are not added to soil, and furthermore, diseases in the seedling stage and a growth period are obviously inhibited. On the aspect that the strain is used for the mixed preparation and the synergy of a fertilizer, the strain shows to have the favorable effect of activating soil nutrients and the performance of resisting a plurality of cultivation obstacles.
Owner:BEIJING JINGGENG TIANXIA AGRI TECH

Soil testing and formulated fertilization method for apple

The invention relates to an apple soil testing prescription fertilization method which is realized through three steps, namely soil nutrient testing, mixed fertilizing rate and fertilization, achieves scientific and reasonable fertilization, takes actions that suit local circumstances, does not lead to the nutrient loss, unbalance, non-point pollution and acidification of the soil, appropriately fertilizes, improves the fruit quality, has no pollution and physiological diseases, and in particular applicable in apple land fertilization.
Owner:招远市农业技术推广中心

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

Remediation method of heavy metal contaminated soil

The invention relates to a remediation method of heavy metal contaminated soil, which comprises the following steps that: the heavy metal contaminated soil with lower soil nutrient and organic matter contents is selected to be remedied; the remediation plant sedum plumbizincicola is planted; an organic waste and a bio-surfactant are respectively added at a rhizosphere when the plant height grow to be 5 to 10cm; the bio-surfactant is repeatedly added to the soil every 60d; and after the remediation plant matures, the ground and underground parts are harvested and are centrally treated; and the content of heavy metal in soil is determined. By adding agricultural organic wastes, the soil nutrient and organic matter contents are improved, the increase of plant growth and root exudates is promoted, thus increasing the accumulation of heavy metal in underground roots and ground stems and leaves of the plants, and the quantity of rhizosphere soil microbes. The heavy metals are desorbed from soil particles by the bio-surfactant so as to improve the bioavailability of the heavy metals.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

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

Method for radish soil testing and formulated fertilization

The invention discloses a method for radish soil testing and formulated fertilization. Currently, farmers mainly use fertilizer in farming and fertilization, however, soil is hardened, the yield and the quality of crops are reduced, and environment problems of lost and unbalanced soil nutrient, non-point source pollution and soil acidification are caused. A soil test and a fertilizer field test serve as a basis, and according to radish fertilizer requirement laws, nutrient preserving capability and fertilizer response, the application amount, the application period and the application method of fertilizer such as nitrogen, phosphorus, potassium, microelements and secondary elements are provided on the basis of reasonable organic fertilizer application. The scientific fertilizer application is applied in accordance with radish growth rules, the fertilizer utilization rate is improved, the soil fertility is improved, the soil pollution caused by improper fertilizer application is reduced, the biological environment is improved, and the radish yield and economic benefits are improved effectively.
Owner:INST OF ECONOMIC CROP HUBEI ACADEMY OF AGRI SCI

Insets expelling biological organic fertilizer and preparation thereof

The invention discloses a biological pest repellant organic fertilizer which is a biological organic fertilizer with nicotine made by mixing tobacco residue fragments, humic acid potassium, a microbial agent and a proper amount of microelements according to a certain weight proportion after certain procedures and methods. The biological organic fertilizer with the nicotine of the invention can extremely enhance the utilization ratio of the complex fertilizer, has a certain effect of expelling and killing pests, and activates soil nutrients, improves crop quality, promotes stable growth of plants, and realizes the average increase in yield to be 18.6%-35.3%. The biological organic fertilizer has the advantages of reasonable formula, simple process, stable quality and performance, convenient use, and the organic fertilizer is a novel biological organic fertilizer.
Owner:广东福利龙复合肥有限公司

Soil testing and fertilization method for peanuts

The invention relates to a soil testing and fertilization method for peanuts. The method scientifically and reasonably adjusts the compounding ratio of nitrogen, phosphorus and potassium and coordinates the proportion of nitrogen, phosphorus and potassium in soil nutrient through soil nutrient test, fertilizer application rate calculation and fertilization steps. The method provided by the invention increases the average utilization rate of fertilizer by more than 3%, does not cause loss and imbalance of soil nutrients, non-point pollution and soil acidification and increases peanut yield, and is especially suitable for fertilization in the peanut field.
Owner:招远市农业技术推广中心

Passivator for repairing compound heavy metal polluted farmland and preparation and application thereof

The invention discloses a passivator for repairing a compound heavy metal polluted farmland. The passivator comprises the following components in parts by weight: 15-25 parts of rock-type mineral particles, 8-15 parts of nano-iron, 5-15 parts of a calcium magnesium phosphate fertilizer, 25-40 parts of coal ash, 15-25 parts of biochar and 10-15 parts of red mud. The passivator for repairing the compound heavy metal polluted farmland disclosed by the invention can effectively reduce the plant effectiveness of heavy metals lead, arsenic, cadmium and chromium in soil, and meanwhile, the soil nutrients are improved and the physical and chemical properties of the soil are maintained.
Owner:BEIJING GEOENVIRON ENG & TECH

Method and system for detecting phosphorus in soil from reflected light

The present invention relates to a method of detecting soil nutrients or soil nutrients in soil from reflected light, and also includes systems for the measurement, calculation and transmission of data relating to or carrying out that method.
Owner:BOWLING GREEN STATE UNIV

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

Preparation method of microbial agent-containing red-layer sandstone and mudstone interbedding side slope wound surface artificial soil

The invention provides a preparation method of microbial agent-containing red-layer sandstone and mudstone interbedding side slope wound surface artificial soil. The microbial agent-containing red-layer sandstone and mudstone interbedding side slope wound surface artificial soil is prepared by effectively mixing the raw material ingredients of the microbial agent, red-layer sandstone or / and red-layer mudstone, farmland soil or / and natural soil, straw, livestock and poultry excrement, high-water-absorbility resin, cement, attapulgite powder and fertilizer under a certain condition. The preparation method has obvious effects of accelerating circulation of soil nutrient elements, increasing supply of soil available nutrients, improving soil physical and chemical characteristics and contributing to recovery of vegetation.
Owner:SICHUAN UNIV

Composition and preparation method of compound fertilizer special for fruit tree

The invention belongs to a microbe compound fertilizer special for fruit tree, in particular to a composition and a preparation method of the compound fertilizer containing active microorganism (silicate bacterium) special for fruit tree. The fertilizer is characterized in that the compound fertilizer is compounded by four components, including osmotolerant active microorganism fertilizer with decomposed phosphor and kalium, nitrogen-phosphor-kalium fertilizer, natural humic acid organism and microelement. The active microorganism in the composition can improve root vigor of a fruit tree, adjust crop development characters, enhance anti-disease and anti-drought resistance, and improve fruit tree quality; furthermore, the organism is also functional in improving soil constitution, revitalizing soil nutrient, enhancing fertilizer use ratio and decreasing fertilizer dosage.
Owner:MICROBIOLOGY INST OF SHAANXI

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

Automated soil analysis system

A method for supplying fertilizer to a lawn, garden, golf course, farm, field, or other agricultural growing area. The method may include the steps of obtaining a soil sample from the agricultural area, measuring a nutrient content of the soil sample with a soil analyzer device, obtaining data for the size of the agricultural area, and electronically calculating the fertilizer required for the agricultural area based upon the soil nutrient analysis and area size data. In certain embodiments, the measuring step may include the steps of passing water heated to a temperature of at least 90° C. through the sample under pressure of at least 2.0 bar, collecting the water passed through the sample, and analyzing the nutrients transferred from the soil to the water.
Owner:HANKS DALLAS A

Wheat special fertilizer

InactiveCN102391051APrevent seedling shrinkageTo promote metabolismFertilizer mixturesNutritional statusPotassium
The invention relates to a wheat special fertilizer. The wheat special fertilizer is a compound fertilizer or complex fertilizer containing nitrogen, phosphorus and potassium, wherein the weight ratio of N to P2O5 to K2O is (22-26): (18-20): (4-6). The wheat special fertilizer provided by the invention is reasonable in formula and has complete nutrients, a soil nutrient condition in North Henan is comprehensively considered, proportions of nutrient elements and raw materials of the fertilizer are selected, a ratio of nitrogen to phosphorus to potassium in the fertilizer is reasonable, nutrient releasing rate accords with wheat nutrient demanding rule in a wheat growing region in the North Henan, pertinency is high, operation is convenient, utilization rate of the fertilizer can be improved, application amount of the fertilizer can be reduced (application cost per Mu can be greatly reduced), yield can be increased, and crop quality can be improved; the wheat special fertilizer provided by the invention is applicable to a wheat producing area in North Henan, can be taken as a base fertilizer and can be applied in one step, once fertilizing on one batch of crops can be realized, and labour and time can be saved.
Owner:HENAN BAZHONG MODERN AGRI

Green nutritional compound fertilizer and method for preparing same

The invention relates to green nutritional compound fertilizer and a method for preparing same. The green nutritional compound fertilizer is prepared from plant material, urea or ammonium nitrate, superphosphate, potassium silicate, sodium borate, hydrated magnesium sulphate, zinc sulphate, chelated iron, sodium molybdenum, manganese sulfate, copper sulfate, cobalt nitrate and bio-fertilizer. 60 percent of the green nutritional compound fertilizer can be more easily absorbed by the crops, and the residue of the green nutritional compound fertilizer can be reduced. The green nutritional compound fertilizer can promote the growth of the crops, improve the quality of the crops, make the crops sprout and ripe earlier and have the developed root system and the luxuriant foliage and increase the yield of the crops by 50-80 percent. The green nutritional compound fertilizer can inhibit the breeding and the propagation of pathogens in the soil, reduce the crop diseases, enhance the disease resistance ability of the crops, improve the soil structure, activate the soil nutrient and realize the ecological planting of the crops.
Owner:XICHUAN YUANKE BIOLOGICAL TECH
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