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151results about How to "Improve acidification" patented technology
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Matrix treatment of damaged sandstone formations using buffered HF-acidizing solutions
InactiveUS20060131022A1Affect productivityRisk minimizationFluid removalFlushingOrganic chemistryFluoride calcium
Sandstone formations of oil and gas and geothermal wells are effectively stimulated when a buffered HF-sandstone acidizing solution is employed without the prior introduction of an acid containing preflush solution. By not using a preflush solution, buffered HF-sandstone acidizing solutions are highly effective in dissolving and removing siliceous material while minimizing the formation of calcium fluoride.
Owner:BAKER HUGHES INC
Method for improving acid production quality and acetic acid proportion in anaerobic fermentation of residue active sludge
InactiveCN104031949AImprove solubilityImprove acidificationFermentationBiological sludge treatmentSolubilityParticulates
The invention relates to a method for improving acid production quality and acetic acid proportion in anaerobic fermentation of residue active sludge. The method comprises the following steps of firstly, adding calcium peroxide into concentrated residual sludge in a wastewater treatment plant, wherein adding amount of the calcium peroxide is 5%-20% of the weight of the volatile suspended solid in the residual active sludge; then, sealing at 30-40 DEG C, carrying out anaerobic digestion in an anaerobic digestion tank with stirring speed of 100-200rpm, wherein the anaerobic digestion time is 5-10 days. The result indicates that calcium peroxide can promote dissolution of particulate organic substances, can improve acidification degree of deliquescent organic substances and can inhibit a methane production process, so that accumulation of volatile short-chain fatty acid is facilitated and transformation of other acids to acetic acid is promoted; meanwhile, a plurality of harmful organic substances in the sludge are effectively removed, so that the acid production quality in anaerobic fermentation of the residue active sludge is improved. The method disclosed by the invention is simple to operate and gentle in reaction condition, is used for recycling and carrying out harmless disposal on the concentrated residual sludge of the sewage treatment plant, and has very good economic and social benefits.
Owner:TONGJI UNIV
Biological organic repairing agent for soil pollution and application and preparation method thereof
InactiveCN105347884AReduce absorptionReduced enrichmentBio-organic fraction processingExcrement fertilisersBiotechnologyPollution
The invention relates to the field of soil fertilizer and provides a biological organic repairing agent for soil pollution and its application and preparation method. The biological organic repairing agent of the invention is composed of, by weight, 1.5-3 parts of eymogenic bacterium, 1-1.5 parts of wheat bran, 1.5-2 parts of molasses meal, 45-50 parts of ammonium humate, 45-50 parts of hydrolase dregs, 150-200 parts of soybean meal, 100-150 parts of humic acid powder, 80-100 parts of zeolite powder, 25-40 parts of a calcium magnesium phosphate fertilizer, 150-200 parts of cattle and sheep manure, 150-204 parts of plant straw, 25-40 parts of potassium humate, 1.5-3 parts of bacillus mucilaginosus, 1-1.5 parts of Gliocladium roseum, 1.5-2 parts of Streptomycesvinaceus-drappus, 1-1.5 parts of trichoderma spp, 1-1.5 parts of Paecilomyces lilacinus, 1-1.5 parts of bacillus subtilis and 1-1.5 parts of micrococcus. According to the invention, soil pollution control, improvement and nutrition are integrated.
Owner:HEBEI CIXIN ENVIRONMENTAL PROTECTION TECH CO LTD
Methods of controlled acidization in a wellbore
ActiveUS20070169938A1Slow reaction rateHigh acid strengthCleaning apparatusFluid removalPolyesterReaction rate
An improved acidization method is provided in which an aqueous solution comprising one or more esters or polyesters of lactic acid or of glycerol is placed in a well where the esters or polyesters undergo hydrolysis. The hydrolysis of the esters or polyesters occurs at a slower reaction rate than that of several other known acidization esters, such as diethyleneglycol diformate, at temperatures higher than 60° C. or even higher than 100° C. Thus, the solution may be distributed substantially throughout a region in the well where acidization is required before hydrolysis is completed, despite being exposed to relatively high temperatures. The hydrolysis may result in the slow release of an acid that is capable of consuming all or most of an undesirable substance in the well, e.g., a filter cake.
Owner:HALLIBURTON ENERGY SERVICES INC
Soil conditioner and preparation and application methods thereof
InactiveCN106995342AGood physical propertiesDust freeAgriculture tools and machinesOther chemical processesNutrientSoil acidification
The invention relates to a soil conditioner and preparation and application methods thereof. The soil conditioner is prepared from the following ingredients in percentage by weight: 30% to 35% of overrotten organic fertilizer, 35% to 40% of fruit tree branch charcoal, 14.5% to 19.5% of oyster shell powder, 8% of pyroligneous liquor, 6.0% of natural humus acid, and 1.5% of titanium oxide. The conditioner has effects of loosening soil, improving soil acidification and removing soil hardening, and has effects of improving water and nutrient retention capacity of soil, supplementing trace elements in soil calcium and magnesium and reducing crop diseases and pests. The soil conditioner can replace slaked lime, an organic fertilizer and the like as the soil conditioner to be applied to the planting industry.
Owner:山东安绿能源科技有限公司
Acidification diverter composition
InactiveCN102504799ASteering Sour Recipe SimpleLow viscosityDrilling compositionSolventHydrogen chloride
The invention relates to an acidification diverter composition which is used for enhancing the acidification effect of a non-homogeneous oil-gas reservoir. The acidification diverter composition basically comprises the following components: (A) 40-50 wt% of additive for controlling the viscosity of diverted acid; (B) 48-60 wt% of cosolvent; (C) 2-5 wt% of additive for adjusting the position of peak viscosity of the diverted acid; and (D) 0-5 wt% of additive for improving temperature resistance. Since the viscosity of the diverted acid based on the composition is sensitive to the concentration of HCl (hydrogen chloride), the concentration of HCl required when the peak viscosity is reached is adjustable, and the viscosity can reach the maximum value under a higher HCl concentration and then gradually reduced to be lower than 10mPa.s with the decrease of the HCl concentration, therefore flowback can be realized without additional gel breaker reacted acid.
Owner:SOUTHWEST PETROLEUM UNIV
Methods of controlled acidization in a wellbore
ActiveUS7431088B2Avoid lostImprove acidificationCleaning apparatusFluid removalPolyesterEthylene glycol diformate
An improved acidization method is provided in which an aqueous solution comprising one or more esters or polyesters of lactic acid or of glycerol is placed in a well where the esters or polyesters undergo hydrolysis. The hydrolysis of the esters or polyesters occurs at a slower reaction rate than that of several other known acidization esters, such as diethyleneglycol diformate, at temperatures higher than 60° C. or even higher than 100° C. Thus, the solution may be distributed substantially throughout a region in the well where acidization is required before hydrolysis is completed, despite being exposed to relatively high temperatures.
Owner:HALLIBURTON ENERGY SERVICES INC
Nutritional type tobacco field soil acidification modifier formula and use method thereof
InactiveCN104893733ANutritiousPromote growthOther chemical processesContaminated soil reclamationDiseaseSoil treatment
Belonging to the technical field of acidified soil treatment and remediation, the invention provides a nutritional type tobacco field soil acidification modifier formula and a use method thereof. The nutritional type tobacco field soil acidification modifier formula is formed by mixing of dolomite powder, quicklime, biological black charcoal and silicon-calcium powder in proportion. The use method consists of: firstly before ridging of tobacco field farmland, employing 5-point mixing sampling, then analyzing the acid-base property of soil, if the acidification degree is high and improvement is needed, spreading the nutritional type soil acidification modifier on the tobacco field surface before farming and ridging of the tobacco field, and then ploughing the mixture evenly, with the specific dosage and continuous usage time being determined by the soil acidification severity. According to the nutritional type tobacco field soil acidification modifier formula and the use method provided by the invention, the design and formula are reasonable, the use method is appropriate, the tobacco field soil acidification status can be improved significantly, and the tobacco development and disease resistance can be promoted, and the yield and quality of cured tobacco are improved. In addition, the formula and the method also have good effects in improving the stress resistance and yield of afterculture paddy rice.
Owner:TOBACCO RES INST CHIN AGRI SCI ACAD +2
Method for producing a food product, food product and barm for producing said product (variants)
InactiveUS20040175460A1Increase rangeImprove propertiesMilk preparationFrozen sweetsChemistryDairy industry
The invention relates to the food industry, particularly to the dairy industry, and can be used for putting into use some new food technologies and producing a large number of new food products noted for improved properties. The invention is directed to raising the physiological activity of food products, particularly of fermented milk products and to improving other properties thereof. In accordance with the invention, the proposed process for producing a product (variants) comprises: (1) combining a food base or at least one of its components with at least one physiologically acceptable carrier and / or with at least one its starting component, precursor; (2) combining the food base or at least one of its components with at least one microorganism or other biological system; (3) forming at least one "carrier-biocatalyst" system; (4) participation of at least part of the microorganisms and / or other biological systems of an immobilized biocatalyst in obtaining the final product due to metabolic processes, for example, due to microbial synthesis and / or transformation of the food base (substrate); (5) providing the presence of at least one formed immobilized biocatalyst in the composition of the product. The invention discloses also products obtained in accordance with the claimed process, that are called "biocatalyzed products", as well as starters for obtaining such products.
Owner:ZENOVICH SERGEI MIKHAILOVICH
Gas-containing-coal multistage permeability increasing method
InactiveCN106437824AQuality improvementImprove use valueFluid removalGas removalINCREASED EFFECTCoal
The invention discloses a gas-containing-coal multistage permeability increasing method. The gas-containing-coal multistage permeability increasing method includes the steps that firstly, the geological conditions of a coal seam hosting region, the coal metamorphism degree, the coal class and gas parameters are determined; secondly, according to whether a coal seam is located at a fault portion or a fold portion, different schemes are adopted to achieve first-stage permeability increasing of gas containing coal and detect the permeability increasing effect, and if a preset effect is achieved, permeability increasing of the whole coal seam is carried out with the first-stage permeability increasing scheme; thirdly, if the preset effect is not achieved, on the basis of the first-stage permeability increasing, second-stage acidification permeability increasing is carried out on the gas containing coal; finally, after the second-stage acidification permeability increasing is completed, gas extraction is carried out on the gas containing coal. According to the gas-containing-coal multistage permeability increasing method, different permeability increasing schemes are formulated according to the geology of different coal-seam hosting regions, and high pertinence is achieved; meanwhile, after multistage permeability increasing is adopted, the gas permeability of the coal seam is greatly improved, and the gas extraction rate is increased.
Owner:田成林
Functional fertilizer for regulating micro-ecological environment of soil
InactiveCN106348976APromote the formation of soil aggregate structureImprove water permeabilityCalcareous fertilisersOrganic fertilisersNutrientFertilizer
The invention relates to a functional fertilizer for regulating a micro-ecological environment of soil. 50-80% of nanometer dolomite dust, 5%-15% of sugar alcohol, 5%-15% of potassium metasilicate, 5-10% of charcoal and 5%-10% of biochemical potassium fulvic acid are utilized to prepare the functional fertilizer according to the following steps: A) preparing raw materials; B) preparing nanometer dolomite dust; C) preparing a sugar alcohol water solution; D) chelating nutrients; E) pelleting for the first time; F) pelleting for the second time; G) drying. The functional fertilizer can be used for improving soil hardening, regulating soil PH and regulating soil acidification; the functional fertilizer can be used for supplementing organic matters and various medium trace elements for the soil, regulating the saturability of soil base, cation exchange capacity and nutrient balance, reducing aluminum and manganese toxicity damage and improving soil salinization; the functional fertilizer can be used for absorbing passivated heavy metal and repairing soil heavy metal pollution; the functional fertilizer also is capable of creating an excellent living environment for soil beneficial microorganisms, boosting the growth and reproduction of the microorganisms and recovering the excellent micro-ecological environment of soil.
Owner:海南博士威生物科技有限公司
Method for preparing soil bio-enzyme water-retaining agent
ActiveCN102618290AImprove performanceGood effectAgriculture tools and machinesOrganic fertilisersGrowth plantEdaphic
The invention discloses a method for preparing a soil bio-enzyme water-retaining agent. The method comprises the following steps of: (1) adding bacillus natto strains into a biological culture solution, and fermenting and propagating to obtain bacillus natto bacterial liquid; and (2) mixing a soil water-retaining agent and the bacillus natto bacterial liquid to obtain the soil immobilized enzyme water-retaining agent. The soil bio-enzyme water-retaining agent has ultra high performance of water absorption, water retention, fertilizer absorption and fertilizer retention and excellent biological performance, can promote the growth of probiotic florae, inhibit virus damage, improve the quality of soil and promote the growth of plants, and is an excellent soil conditioner and plant growth promoter.
Owner:珠海农神生物科技有限公司
Heavy metal bioremediation agent containing alga oligosaccharides and preparing method of agent
ActiveCN105234167AStrong toleranceSimple structureFungiBacteriaPenicillium bilaiaePaecilomyces lilacinus
The invention discloses a heavy metal bioremediation agent containing alga oligosaccharides and a preparing method of the agent, and relates to the technical field of heavy metal bioremediation application. The heavy metal bioremediation agent containing the alga oligosaccharides comprises, by mass percentage, 5% to 15% of the alga oligosaccharides, 10% to 20% of bacillus subtilis fermented liquid and 65% to 85% of paecilomyces lilacinus solid leavening, wherein the effective viable count is larger than or equal to 2 hundred million CFU / g. The preparation method comprises the steps that the bacillus subtilis fermented liquid is prepared; the paecilomyces lilacinus solid leavening is prepared; and the alga oligosaccharides, the bacillus subtilis fermented liquid obtained in the first step and the paecilomyces lilacinus solid leavening obtained in the second step are mixed, and the heavy metal bioremediation agent containing the alga oligosaccharides is obtained. Bacillus subtilis and paecilomyces lilacinus have the higher tolerance on multiple kinds of heavy metal and can directly adsorb heavy metal ions, and the bacillus subtilis and the paecilomyces lilacinus do combined action with the alga oligosaccharides so as to be capable of passivating the heavy metal in the soil. Preparation is simple, the repairing effect on the heavy metal in the soil is good, and safety and environmental protection are achieved.
Owner:FUJIAN SANJU BIOLOGICAL SCI & TECH
Ferment liquid-state fertilizer and production method thereof
InactiveCN108658667ASimple structureEnsure increased production and incomeAnimal corpse fertilisersBioloigcal waste fertilisersBiotechnologyMicroorganism
The invention discloses ferment liquid-state fertilizer. The ferment liquid-state fertilizer is prepared from the following components, in parts by weight: 60-120 parts of apple peel, 60-120 parts ofbanana peel, 60-120 parts of watermelon peel, 50-100 parts of citrus pomace, 50-100 parts of guava leaf, 80-120 parts of plant ash, 25-35 parts of cane sugar, 10-15 parts of medium element, 3-5 partsof microelement, 8-10 parts of polyvinyl alcohol, 8-10 parts of shell powder, 6-8 parts of pectin compound enzyme, 6-8 parts of enzyme microorganism and 3-5 parts of EM (effective microorganism) flora. The ferment liquid-state fertilizer can improve the soil environment, promotes soil microbial metabolism to be vigorous, adsorbs and degrades the soil elements, enhances crops to grow healthily andvigorously, improves the quality and yield of the crops, avoids using of chemical pesticides, and has the advantages of being environmentally friendly, healthy and low-cost planting.
Owner:杨芳
Acidified soil conditioner
InactiveCN108409488AImprove fertilityIncrease the number of aggregatesAgriculture tools and machinesBio-organic fraction processingSodium BentoniteMushroom
The invention discloses an acidified soil conditioner, which is prepared from the following materials in parts by weight: 10 to 20 parts of soybean meal, 15 to 30 parts of humic acid, 8 to 15 parts ofmanure, 5 to 17 parts of crop straws, 3 to 10 parts of corn flour, 3 to 5 parts of polyacrylamide, 3 to 8 parts of wheat bran, 5 to 25 parts of rape seed cakes, 10 to 30 parts of bentonite, 8 to 25 parts of plant ash, 1.3 to 2.3 parts of biological bacterial agent, 3 to 9 parts of mushroom residue and 3 to 15 parts of tea production waste. The conditioner prepared by the invention can effectivelydecrease soil acidity and exchangeable aluminum content, and moreover, the acidified soil conditioner contains a lot of organic matters and trace elements to improve soil structure, increase the dietary fiber activity of crops and improve the taste of agricultural products. According to the invention, the material sources are wide, the method is simple and feasible, wastes are turned into treasure, and the acidified soil conditioner has the advantages of high effectiveness, low cost and low toxicity, and can improve the problem of soil acidification after being used for a long term.
Owner:金华市全宇农业科技有限公司
Method for adopting eluting solution to restore sewage irrigation area soil heavy metal
InactiveCN103918437AImprove acidificationHigh activityAgriculture tools and machinesOrganic fertilisersSoil scienceSoil heavy metals
The invention discloses a method for adopting an eluting solution to restore sewage irrigation area soil heavy metal. The eluting solution is composed of nitrilotriacetic acid which is a chelating agent and sodium dodecyl sulfate which is a surfactant, and mole ratio of nitrilotriacetic acid and sodium dodecyl sulfate is 5-15mmol kg-1:1mmol kg-1. On the basis of an optimal experiment, restored soil is eluted by using simulated acid rain, the objective of eluting restoration of lawn planting system sewage irrigation area soil heavy metal pollution is achieved, and the sewage irrigation area soil heavy metal after reaching the standard can continue to be applied to agricultural production.
Owner:TIANJIN NORMAL UNIVERSITY
Gas-containing coal permeation-increasing method adopting joint action of carbon dioxide detonation and acidification
ActiveCN106640023AReduce gas contentGood for antireflectionFluid removalDrilling compositionDetonationProcess engineering
The invention discloses a gas-containing coal permeation-increasing method adopting joint action of carbon dioxide detonation and acidification. According to working face parameters, the coal seam thickness, the gas content and the like, the drilling hole arranging mode of a permeation-increasing unit is comprehensively confirmed, and a plurality of permeation-increasing units are arranged on a working face; and drilling holes in the permeation-increasing unit are adopted with the following measures that firstly, carbon dioxide detonation is conducted through a detonation hole, then acid liquid is injected through an acidification hole, the setting time is maintained, and finally, the detonation hole and the acidification hole are connected into an extraction system to conduct gas extraction. According to the permeation-increasing method of the coals containing the gas through the joint action of detonation and acidification of the carbon dioxide, while coal seam breathability is increased, the content of the carbon dioxide is greatly improved through early carbon dioxide detonation and later-period acidification, and additionally, the adsorption capacity of the coals on the carbon dioxide is further larger than that of methane, so that the replacement and displacement effects on the methane are achieved. According to the gas-containing coal permeation-increasing method adopting the joint action of carbon dioxide detonation and acidification, through sufficient combination of the advantages of carbon dioxide detonation and acidification, coal seam breathability is greatly improved, and the gas extraction rate is improved.
Owner:SHANDONG UNIV OF SCI & TECH
Fast acidified soil ecological restoration agent for preventing and controlling successive cropping obstacles of melons and restoration method
InactiveCN106590670AImprove acidificationEfficient killingBiocideOther chemical processesSaccharomycopsis fibuligeraRestoration method
The invention discloses a fast acidified soil ecological restoration agent for preventing and controlling successive cropping obstacles of melons and a restoration method, the fast acidified soil ecological restoration agent includes the following components by mass: 80-90 parts of silkworm excrement, 10-20 parts of bone meal and 0.1-0.3 part of a yeast agent, the yeast agent comprises Saccharomycopsis fibuligera. The ecological restoration method comprises the following steps: cleaning, spreading materials, preparing lands, ditching, irrigating, coating the surface of the soil layer with a film, keeping close at above 20 DEG for 10-15d, uncovering the film, turning the soil over for planting of the melons. The fast acidified soil ecological restoration agent aiming at the defects of prevention and control technologies in the prior art, from a technical point of view of ecological restoration of soil, soil acidification can be improved in a short period of time, salinization can be reduced, pathogenic microbes in the soil can be effectively killed, controlling successive cropping obstacles of the melons can be eliminated, the normal production of the melons can be ensured.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
Multi-stage permeability increasing method for coal body containing gas
Owner:SHANDONG UNIV OF SCI & TECH
Method for treatment of urban garbage
A method for treating city garbage includes such steps as classifying the garbage into the garbage A able to be biologically decomposed and the combustible garbage B, loading the garbage A in marsh gas pool to generate marsh gas, using the marsh gas to burn the garbage B in incinerator and installing the duster in the chimney of incinerator to remove the dust from fume.
Owner:张四灿
Mechanically produced thermocline based ocean temperature regulatory system
InactiveUS20100213271A1Reducing its effectivenessCarbon reductionTemperature measurement in air-conditioning systemsDrilling rodsThermoclineWater barrier
The invention pertains to a Mechanically Produced Thermocline Based Ocean Temperature Regulatory System and process to sequester anthropogenic carbon dioxide, create a cold water barrier to hurricanes and tropical storms, and insure the function of the thermohaline circulation.
Owner:BAILEY LAURA J +1
Organic-inorganic composite passivator for cadmium contaminated soil and using method of composite passivator
InactiveCN107603633ARelieve pressureImprove acidificationOther chemical processesContaminated soil reclamationReagentWater content
The invention provides an organic-inorganic composite passivator for cadmium contaminated soil and a using method of the composite passivator. The composite passivator is formed by mixing of silkwormexcrement biomass charcoal and an iron-containing reagent, wherein the usage amount of the silkworm excrement biomass charcoal is 1% of the mass of the cadmium contaminated soil to be restored and theusage amount of the iron-containing reagent is 0.2% of the mass of the cadmium contaminated soil to be restored; and when the silkworm excrement biomass charcoal and the iron-containing reagent are used, the silkworm excrement biomass charcoal and the iron-containing reagent are added into the cadmium contaminated soil to be restored, mixing is performed, water is added for maintenance, and the water content of the soil is controlled to be 40%. According to the organic-inorganic composite passivator for the cadmium contaminated soil provided by the invention, the adopted reagent raw materialshave wide sources and low costs, and therefore implementation costs can be reduced; and besides, the using method of the organic-inorganic composite passivator for the cadmium contaminated soil provided by the invention is simple and easy to implement, and the composite passivator is insensitive to soil types, and can be used in most of the cadmium contaminated soil, the applicable range is wide,the restoration efficiency of the cadmium contaminated soil is high, and the restoration effects are obvious.
Owner:GUANGXI UNIV
Method and reagent set for preventing citrusyellowshoot
The invention provides a method and a reagent set for preventing citrusyellowshoot, and belongs to the field of agricultural plant cultivation. The technical scheme is that the method for preventing citrusyellowshoot comprises the following steps: A, applying quick lime to soil of a citrus orchard according to usage amount of 50-150 kg / mu; B, applying organic fertilizer containing microorganism bacteria to the soil of the citrus orchard according to usage amount of 100-250 kg / mu; C, every 30-40 days, spraying a plant immunity inducer on citrus plants or irrigating the plant immunity inducer on roots, usage dosage being 100-150 g / mu, and continuously using 3-5 times. The quick lime is used to adjust soil acidity, and an organic biological bacterial fertilizer is used in a cooperated manner, to improve soil structure and quality. The biological bacteria is cooperated with the plant immunity inducer to promote root activity of the citrus plants, improve citrus disease resistance, so as to efficiently prevent citrusyellowshoot in a green manner, and promote healthy growth of the citrus plants.
Owner:湘潭中微科生物工程有限公司
Biochar-based selenium-rich fertilizer used for camellia sinensis
InactiveCN107586190AHarm reductionOvercome absorbencyBio-organic fraction processingBiofuelsBiocharPolymer
The invention belongs to the technical field of a fertilizer. The invention discloses a biochar-based selenium-rich fertilizer used for camellia sinensis. The fertilizer comprises 40-50 wt% of selenium-rich biochar, 30-40 wt% of a selenium-rich food waste fermented fertilizer, and 3-8 wt% of super-absorbent polymer, with the balance being quartz sand. The selenium element exists in an organic selenium manner, so that in production, processing and application processes, the selenium element is minimum harmful to related persons. The problem that after a selenium-rich fertilizer in the prior artis applied, the selenium content in soil is uneven, crops, such as camellia sinensis, have absorption obstacles, and the utilization rate is not high is overcome. The selenium-rich fertilizer is noteasy to be dissolved in water, and doesn't lose efficacy after being flushed with rain / irrigation water. The selenium-rich fertilizer can improve soil acidification, optimizes soil structure, improvessoil quality, and has the function of clearing, mitigating, and passivating heavy metal in soil.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
Plant culture medium produced by using bamboo sawdust
InactiveCN105439689AImprove acidificationEasy to obtainCultivating equipmentsSoilless cultivationFermentationSawdust
The invention discloses a plant culture medium produced by using bamboo sawdust. The plant culture medium is produced by the steps of: crushing a bamboo sawdust raw material into small loose bamboo particles by adopting a rolling type pulverizer, and carrying out ammoniation treatment and a mixed fermentation process with charcoal to prepare the bamboo sawdust into an organic material which has a reasonable pore structure, is good in water retention capacity and reasonable in C / N ratio, and has a volume weight of 0.2-0.5g / cm<3> and a pH value of 6-7. The organic material is suitable for serving as a substrate for garden greening, seedling cultivation and transplantation, and can also be used for soil acidification and physical structure improvement.
Owner:国家林业局竹子研究开发中心
Method for lowering heavy-metal superstandard risk of soil of perennial continuous cropping facilities
InactiveCN108901231AGood passivation effectLow costCereal cultivationOrganic fertilisersContinuous croppingSoil heavy metals
The invention discloses a method for lowering heavy-metal superstandard risk of soil of perennial continuous cropping facilities. Through applying a heavy-metal passivator and combining the methods ofsoil deep-plowing, moisture regulation and control, catch crop planting and the like, the total amount and availability of heavy metals such as Cd and Cu in topsoil of a facility vegetable plot can be obviously lowered, meanwhile, the air and water permeability of the soil is improved, the phenomena such as secondary salinization and acidification of the soil are improved, and thus, the safe production of facility vegetables is guaranteed. The method is suitable for being applied to the soil of the perennial continuous cropping facilities.
Owner:INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
Fast growing turf-based controlled/slow-release ecological fertilizer as well as preparation method and application thereof
ActiveCN107721610AHigh carbon yieldHigh self-nutrient element contentAlkali orthophosphate fertiliserAmmonium orthophosphate fertilisersMass contentNutrient
The invention relates to a fast growing turf-based controlled / slow-release ecological fertilizer as well as a preparation method and application thereof. The ecological fertilizer contains active components or other beneficial components, wherein the active components include a slow-release fertilizer component, a quick-acting fertilizer component and a cytokinin production bacterial agent. The mass content of total nutrients (N+P2O5+K2O) in the ecological fertilizer is more than or equal to 30%; carrier carbon used in a slow-release fertilizer is fast growing turf; the cytokinin production bacterial agent contains florae of bacillus megatherium, bacillus subtilis, bacillus mucilaginosus and trichoderma. The fast growing turf-based controlled / slow-release ecological fertilizer has the beneficial effects that the quality of the adopted fast growing turf is superior to that of charcoal prepared from traditional agricultural waste: the charcoal yield is high, and the preparation cost of charcoal can be lowered; the prepared fertilizer for paddy fields is beneficial to the sedimentation of charcoal base; the adsorption capacity to nutrient elements is enhanced; and the soil acidification caused by the overusing of a chemical fertilizer can be improved, and meanwhile, the bio-availability can be reduced by passivating heavy metal ions in soil through strong basicity.
Owner:HUNAN AGRICULTURAL UNIV
Organic-inorganic compound fertilizer special for carya cathayensis
ActiveCN104529669AIncrease productionImprove acidificationAlkali orthophosphate fertiliserExcrement fertilisersCarya cathayensisCombustion
A disclosed organic-inorganic compound fertilizer special for carya cathayensis comprises an organic fertilizer and an inorganic fertilizer; in the organic-inorganic compound fertilizer, the organic matter content is 20-25%, and the ratio of N element weight, P element weight in terms of P2O5 and K element weight in terms of K2O is 12-15:3-4:10-12; and the pH value of the organic-inorganic compound fertilizer is 6.5-8. The organic-inorganic compound fertilizer with appropriate usage amount is employed for normally-grown mature carya cathayensis. The compound fertilizer is added with a decomposed organic fertilizer prepared by taking pig manure as a raw material and plant ash prepared by taking rice chaff as a raw material through combustion, and also is added with a trace element fertilizer with a proper ratio, so that the organic-inorganic compound fertilizer is capable of substantially improving the yield of carya cathayensis, and also is capable of improving the acidifying statue of soil.
Owner:杭州市林业科学研究院 +1
Nutritional supplement for sows
PendingCN106071216AFast absorptionQuick Energy ReplenishmentAccessory food factorsNutritionDigestion
The invention discloses a nutritional supplement for sows. The nutritional supplement comprises, by weight, 5-20 parts of calcium gluconate, 5-20 parts of calcium lactate, 0.01-1 part of zinc lactate, 5-20 parts of glucose, 5-20 parts of maltose, 5-20 parts of saccharose, 0.2-2 parts of feed acidifiers and 0.03-1.6 parts of scent attractants. The nutritional supplement does not occupy the abdominal volume and convenient to feed, the sows like to eat the nutritional supplement, and the functions of supplementing nutrients, improving the stamina, improving the appetite, helping digestion, preventing constipation, promoting normal peristalsis and constriction of uteri and birth canals, helping eutocia, shortening the birth process and reducing the probability of birth canal injuries are achieved by applying the nutritional supplement before delivery; and by applying the nutritional supplement after delivery, the sows can start eating early, the stamina is good, the milk amount is large, recovery is fast, growing and weight increment of all piglets are facilitated, and arrival of the normal oestrus of the next farrow is facilitated.
Owner:乌鲁木齐市金蟾兽药有限公司
Acidified soil conditioner
InactiveCN106753420ASimple structureRaise the pHAgriculture tools and machinesOther chemical processesSilicon dioxideCalcium EDTA
The invention relates to an acidified soil conditioner, which contains the following raw materials in parts by mass: 30-60 parts of shell powder, 12-20 parts of carboxymethyl cellulose, 8-15 parts of polymethyl methacrylate, 5-20 parts of calcium cyanamide, and 10-25 parts of nanosilicon dioxide solution. The shell powder is used as a soil structure conditioner, a certain amount of chemical components are added to regulate the pH value of the soil system and kill harmful bacteria in soil and maintain effective microbial community, so that the improvement of the soil structure, microbial environment and pH value can be achieved; in addition, the acidified soil conditioner can also provide essential calcium element and silicon element for soil, and can be effective for a long term after being applied once. The acidified soil conditioner not only achieves the acidified soil conditioning function, but also can improve the soil activity, increase trace elements, inhibit pathogenic bacteria of crops and improve the pH value of the acidified soil to achieve the effects of improving the soil microenvironment and improving the self restoration capability of soil, so that the yield and quality of crops can be remarkably improved.
Owner:江苏大唐博创再生资源开发有限公司
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