4311 results about "Soil conditioner" patented technology

The invention relates to an organic environmentally-friendly soil conditioner for improving acidified or acid soil and a preparation method thereof. The soil conditioner is prepared from the following raw materials in parts by weight: 23-46 parts of biogas residue, 14-24 parts of shell powder, 16-25 parts of calcium magnesium phosphate fertilizer, 13-20 parts of plant ash, 0.1-0.2 part of chitosan, 5-7 parts of zeolite powder and 6-9 parts of bentonite. The soil conditioner is prepared through pretreatment of the biogas residue, pretreatment of the shell powder and the like; through the produced soil conditioner, the pH value of soil can be increased; nutritive elements such as calcium, magnesium, phosphorus, potassium and the like in the soil are increased; the organic matter content in the soil is increased; the water retention and fertilizer retention capacity of the soil is improved; the physicochemical property of the soil is improved; the antiretroviral (diseases, pests, drought and the like) capacity of crops is improved; heavy metal poison is reduced; and the soil conditioner is convenient to apply, is not influenced by wind power and is suitable for mechanical working.

The invention discloses a mine ecological remediation and slope vegetation fast restoring method suitable for the arid region. The method comprises a slope protection method and the steps that water collecting devices are arranged; soil improvement is carried out; vegetation configuration is carried out. Firstly, according to the through slope arrangement, mining slide slopes needing to be restored are subjected to step type slope cutting to be stabilized, an ecological catchwater is arranged on the inner side of each stage of a platform, and the steps are continuously provided with desilting basins and water collecting pits every other certain distance. Water collecting devices are mounted in the water collecting pits and connected with the desilting basins and the catchwaters, the other ends of the water collecting devices are provided with controllable drainage ports, the water collecting devices are connected with a slope irrigation system and used for collecting and fully and reasonably utilizing slope runoff, a dry season irrigation water source is provided, meanwhile, slope scouring is avoided, and water and soil losses are reduced. The platform and the slopes are all covered with earth, a planting pit is dug in each stage of the platform, the mode of ecological bags and ecological blankets is adopted in each stage of the slopes, a soil conditioner and foreign soil from other places are mixed, the planting pits, the ecological bags and the ecological blankets are filled with the mixture, and good water and fertilizer conditions are provided for plant growth. Proper trees brushes and grasses are selected to be distributed. The ground conditions of the side slopes are comprehensively improved, and side slope vegetations are restored to the natural ecological state.

The invention provides a high activity biological water retention alkali oil modifying agent, which is prepared through fully and evenly mixing vegetable stem powder, humic acid, water-loss reducer, carbamide, gypsum, high activity biological agent, sodium ion adsorbent and acid according to certain proportion, adding binding agent which is 0.3-1time of the whole weight of raw material, and granulating in pelleting machine. The high activity biological water retention alkaline earth modifying agent which is prepared by the invention can effectively improve soil aggregate structure, increases the water holding property of soil, can effectively dissociate and absorb metal ion, reduces the components of soil soluble salt, increases soil organic matter and nutrition, and has extremely significant soil modifying effect.

The invention discloses a composite heavy metal polluted soil conditioner as well as application and an application method thereof. The soil conditioner comprises the following components: plant ash, calcium magnesium phosphate, quicklime, zeolite and organic fertilizers at a weight ratio of (0.3-1.1):(0.1-1.2):(0.4-2.1):(0.1-0.6):(0.008-0.06):(0.4-1.2). Through inorganic components such as quicklime, calcium magnesium phosphate and phosphate in hydroxyapatite as well as potassium carbonate in the plant ash, the soil conditioner can be used for fixing heavy metals in polluted soil and improving the fertility of the polluted soil in combination with organic manures such as the plant ash and the organic fertilizers so as to continuously intensify the restoration of the polluted soil, has the advantages of relatively-high stability, good environmental friendliness and low cost, can be used for inactivating and restoring various heavy metal polluted soil, especially has a good restoration effect on soil pollution caused by waste slag discharged by industrial and mining enterprises, can be used for realizing the treatment goal without generating secondary pollution, and is liable to realize large-area popularization.

The invention discloses a method for producing a biocarbon-based slow-release nitrogen fertilizer, which is characterized by comprising the following steps: thermal cracking or gasifying corn straw, or apple tree waste branch, trunk and wood chip to obtain the biocarbon; mixing the biocarbon and an ammonium nitrate solution, or urea and the ammonium nitrate solution, fully stirring and drying, or adding a binder with 1-3% of total amount and sending to a granulation system for granulation, then drying to obtain the biocarbon-based slow-release nitrogen fertilizer product. The fertilizer has the advantages of simple and easy preparation technology, and low cost. The biocarbon-based slow-release nitrogen fertilizer contains 10-12% of nitrogen, the biocarbon carrier material is stable in soil, and is a good soil amendment and a carbon sequestration agent, soil is applied for improving soil fertilization, the nitrogen element of the nitrogenous fertilizer loaded by the biocarbon has slow-release effect, so that the loss of the nitrogen element can be reduced, the nitrogenous fertilizer utilization rate can be enhanced; the biocarbon can retain in soil for long-term to play the effects of carbon sequestration and carbon emission reduction, the biocarbon is helpful for alleviating climate warming, and biocarbon-based slow-release nitrogen fertilizer is a green fertilizer.

The invention discloses a soil conditioner produced from ardealite as well as a producing method and a using method of the soil conditioner. The soil conditioner contains ardealite, humic acid, ferrous sulfate, urea and sulfuric acid which are mixed and shaped to granules. The soil conditioner is produced from ardealite which is the main raw material and added with a certain amount of nutrient elements and has the characteristics of conditioning the soil structure, adjusting pH of soil, activating the activity of nutrient elements of the soil, supplementing trace elements such as calcium, sulphur, ferrum and zinc in the soil, and the like; and the soil conditioner is suitable to conditioning of saline-alkali soil. The soil conditioner has the advantages of lowering the pH of surface soil, the content of water-soluble Na<+> and exchangeable Na<+> in the soil, the alkalisation degree and the volume weight of the soil, and enhancing the soil infiltration, the utilization rate of fertilizers and the soil productivity. A method for conditioning saline-alkali land, which is effective, economical, practical and consistent with the actual situations, is successfully proposed.

This invention discloses systems and methods for conversion of manure to novel fertilizer and/or soil builder products useful as input for organic farming operations. The equipment systems comprise a gas turbine generator unit (preferred heat source), a dryer vessel and a processing unit, wherein the connection between the gas turbine and the dryer vessel directs substantially all the gas turbine exhaust into the dryer vessel and substantially precludes the introduction of air into the dryer vessel. The dryer vessel receives the manure for contact with the turbine exhaust gases to convert the manure to a dry material, which is passed to the processing unit where it is formed into granules, pellets or other desired form for the final dry fertilizer product. The method comprises drying, heating and converting the manure to form novel self binding fertilizer and soil builder type products for organic farming and other uses.

A process for analyzing the nutrient status of plant matter and/or soil for one or more nutrients selected from among calcium, potassium, nitrogen, sulfur, phosphorus, magnesium, chlorine, iron, boron, manganese, zinc, copper, nickel and molybdenum is described and includes contacting said plant matter and/or soil with a laser source capable of inducing breakdown of the sample whereby an emission from said sample occurs; and, analyzing said spectral emission for determination of an amount of said one or more nutrients. A process for analyzing the heavy metal content of plant matter and/or soil, or of fertilizers or soil amendments is also described.

The invention relates to a method for preparing biomass carbon by utilizing agricultural and forestry waste, belonging to the technical fields of preparation of carbon materials and utilization of biomass resources. The method comprises the following steps of: adopting agricultural and forestry waste as raw materials; under the condition of subcritical water, fully mixing dried biomass materials and deionized water according to the proportion of 1:(10-30); under the protection of inert atmosphere, carbonizing for 2-6 hours at the temperature of 220-250 DEG C; and then carrying out vacuum filtration and hot-water cleaning, and drying to obtain the biomass carbon. The biomass carbon prepared by the invention is coaly carbon material with an aromatic-ring structure, is high in carbon content and calorific value and large in specific surface area, and can be used as a soil conditioner or an absorbent. The method has the advantages that the materials are low in cost and easy to obtain, the process is simple, the operation is convenient, the manufacturing cost is low, the industrial promotion is convenient, and the application range and the application value of biomass resources are further expanded in the aspect of carbon materials.

The invention discloses a heavy metal contaminated soil conditioner and a plant and chemistry combined remediation method. The heavy metal contaminated soil conditioner is a mixture of red mud and slaked lime. In the invention, the plant and chemistry combined remediation method is used, the pH of the soil is regulated by a chemical method, and heavy metals in the soil are absorbed by planting energy crops, hyperaccumulative plants and the like, thereby improving the soil properties, gradually reducing the content of heavy metals in the soil, finally achieving the purpose of soil remediation, improving the plant remediation efficiency, and being favorable to large-scale commercial application.

The invention provides a sludge or organic garbage high-low temperature coupling themolysis method which is characterized in that: the method comprises the following steps: step I: the sludge or organic garbage is fed in a low temperature drying depolymerizing furnace; material with partial carbonization is used as raw material of soil organic fertilizer; step II: the material with partial carbonization, generated in pyrolysis, is fed into a middle temperature carbonizing furnace for carrying out carbonization; the obtained bio-organic carbon is used as raw material of soil organic fertilizer or soil conditioner; step III: the material with partial carbonization, bio-organic carbon and one or more than two mixtures of the sludge, straws or organic garbage are fed in a high-temperature pyrolysis furnace for gasification; step IV: fixed carbon remained in a high-temperature depolymerizing furnace after aerogenesis is fed in a high-temperature sub-fusion activated device, and then oxygen-enriched air enters in, and then liquid in a regulating solution storage tank is prayed in for regulation, and then, compound charcoal is obtained after being cooled. The method has high efficiency, simple steps and diversified products.

The invention relates to a method for growing blueberry, which comprises soil modification, seedling cultivation, seedling planting and fertilization. In the invention, a soil modifier is applied to soil and the organic materials in the soil modifier increase the content of fatty acids such as acetic acid and propionic acid of the soil, so the rate of mycorrhizal infection, which is capable of promoting the growth of the blueberry, improving blueberry yield, contributing to productivity improvement and soil modification and improving quality and sugar content of fruits, of the blueberry is improved; meanwhile, pine soil and grass carbon are used to regulate the pH value of the soil. In the invention, a rooting medium which contains IAA growth hormone and glycine betaine is used to cultivate the seedlings, so the rooting rate of cuttings and transplanting survival rate are improved, the seedling cultivation time is reduced greatly, and the propagation efficiency is improved obviously. In the invention, a microbial fertilizer, a potassium sulfate type compound fertilizer, ammonium sulfate and diammonium phosphate are used for fertilizing the blueberry, wherein the ammonium sulfate can lower the pH value of the soil, namely the ammonium sulfate provides nutrients for the blueberry for growth and improves the growing environment of the blueberry; and thus, the blueberry yield is more improved effectively.

This invention relates a series of steps to provide an economical production of a carbon based fertilizer and soil amendment made during the capture of greenhouse gases from the combustion of fossil and non fossil fuels. The invention uses biomass and other carbonaceous sources through pyrolytic conversion to gases and charcoal, to allow for the further production of co-products, such as hydrogen and ammonia. The invention also relates to the combination of hydrated ammonia, combustion flue gas exhaust, and charcoal, provide for the conversion of the charcoal into a valued added soil amendment to return essential trace minerals and plant nutrients to the soil. The ability to produce a large volume carbon co-product while removing mandated emissions and producing renewable based hydrogen provides an economic gain to a large number small and large businesses and increase the chance of achieving significant reductions in greenhouse gas emissions.

The invention relates to a soil conditioner, in particular to a compound water retention soil conditioner and preparation thereof. The soil conditioner comprises the components by weight parts: 100 to 200 parts of organic matter, 0.2 to 3 parts of active cover agent, 150 to 200 parts of acrylamide, 50 to 100 parts of starch, 20 to 50 parts of attapulgite, 20 to 40 parts of porous inorganic matter, 30 to 60 parts of clay, 0.5 to 2 parts of microorganism microbial inoculum, 100 to 150 parts of acid liquid, 2 to 4 parts of initiator, 0.5 to 1 part of crosslinking agent, 1 to 5 parts of urea and 0.03 to 1 portion of yeast. The compound soil conditioner reserves the advantage of water retention; at the same time, because equivalent organic materials, the porous inorganic matter, the clay and the like are added to the soil conditioner, the soil conditioner has the functions of modifying soil structure, enhancing the organic matter of soil and improving the pH value of the soil; and because humic acid is added, the soil conditioner has the function of a urease inhibitor to a certain degree and enhances the utilization efficiency of a fertilizer N applied together with the soil conditioner.

The invention discloses a humic acid slow release soil improving fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizer production. The invention produces slow release fertilizer for soil improvement with humid acid, lignin, and ordinary NPK fertilizer as major raw materials. Applicable to all types of soils and crops, the fertilizer can improve soil structure, increase water and manure preservation performance of soil, avoid and treat soil hardening, and have the good improvement effect on saline land in particular. The humic acid slow release soil improving fertilizer can be used as soil dressing agent.

The invention discloses a biostimulation method for remediation of oil-polluted soil. In the method, on the premise of not adding an oil pollutant biodegrading bacterial agent, a soil conditioner is added to improve the soil environment, reduce soil stickiness, increase the soil permeability, adjust the water-retaining capacity of the soil, adjust inorganic and organic nutrients necessary for local microbe growth, maintain the pH value of the soil close to neutrality, promote oil pollutant degrading microbes in the soil to grow and propagate, and improve the oil pollutant degrading efficiency of the local microbes; by planting plants, the microenvironment of the soil near root systems of the plants is improved, the plants secrete organics with low molecular weight such as amino acid to the root systems so as to stimulate the massive propagation of the local microbes and indirectly promote oil pollutant degradation by the microbes of the root systems; and the biostimulation method has the advantages of accelerating the remediation of the oil-polluted soil and restoring the original state of the soil.

The invention discloses a special suspension liquid compound fertilizer for saline-alkali soil and a preparation method of the special suspension liquid compound fertilizer. The compound fertilizer comprises the following raw materials in parts by weight: 0.8-7.2 parts of a nitrogen fertilizer, 0.6-1.1 parts of a boric fertilizer, 0.5-0.8 part of EDTA-Zn, 0.5-0.8 part of EDTA-Mn, 2.0-5.0 parts of humic acid powder, 7.0-14.0 parts of a calcium fertilizer 8.0-16.0 parts of a phosphatic fertilizer, 5.0-9.0 parts of a potash fertilizer, 14.0-19.0 parts of an organic matter, 6.0-9.5 parts of a soil conditioner, 0.8-2.0 parts of a microbial agent, 2.0-4.0 parts of a wetting dispersant, 2.0-4.0 parts of an emulsifier, 1.0-3.0 parts of a thickener, 1.5-3.0 parts of an antifreezing agent and 23-30 parts of water. Through reasonable compounding of various nutritional ingredients, especially an efficient synergistic effect among the humic acid, the soil conditioner and the microbial agent, the physical and chemical properties of the soil are well adjusted, re-accumulation of saline matters is avoided, and nutrient elements required for growth and development are provided for crops, thus better growth of roots of the crop is facilitated, the yield and the quality of the crop are improved, and meanwhile, the element deficiency of the crop can be effectively prevented.

The invention discloses a composite biological soil conditioner and a preparation method of the composite biological soil conditioner. The composite biological soil conditioner comprises the following steps: 1) preparing charcoal; 2) modifying the charcoal; 3) fermenting livestock excrement; 4) preparing an ecological organic fertilizer; 5) compounding, wherein the soil conditioner comprises the following materials in parts by weight: 130-150 parts of modified charcoal, 250-280 parts of the ecological organic fertilizer, 30-35 parts of humic acid, 5-8 parts of probiotics, 3-5 parts of active peptide, 32-38 parts of a water retaining agent, and 190-220 parts of an auxiliary. The composite biological soil conditioner has the beneficial effects that the soil conditioner not only strengthens the water holding capacity of soil, but also improves the soil structure, reduces the bulk density of the soil, increases the porosity and the content of organic matters in the soil, regulates the pH value of the soil, improves the microbial flora of the soil, inhibits the growth and propagation of pathogenic bacteria of a root system, and complexes and adsorbs the heavy metal ions in the soil, and therefore, the composite biological soil conditioner is a safe and efficient composite biological soil conditioner.

The present invention relates to one kind of organic soil conditioner prepared with city sludge and its production process. The material for the organic soil conditioner consists of dewatered sludge from city domestic sewage 53-72 wt%, organic agricultural waste 4-18 wt%, inorganic supplementary material 2-15 wt%, fertilizer balancing agent 1-5 wt%, and composite microbes 0.5-2 wt%. The production process of the organic soil conditioner includes the following steps: 1. fermenting the dewatered sludge from city domestic sewage, the organic agricultural waste and the inorganic supplementary material with saccharomycetes; 2. inoculating the composite microbes to the first fermented product for secondary decaying; and 3. sieving and packing to produce the organic soil conditioner. The organic soil conditioner has high nutritious component content, and can improve physical and chemical structure of soil, improve agricultural product quality and raise soil fertility.