591 results about "Soil conditioning" patented technology

Mechanically strong, water-disintegrable agglomerates made from a particulate calcium source, a water-soluble binder and optionally containing a primary plant nutrient source and / or micronutrient source and a process for forming such agglomerates are disclosed. The agglomerates may be used as a soil liming agent and for introducing nutrient values into cultivated soil. Also disclosed is a method for introducing nutrient values into cultivated soil so as to inhibit leaching of the nutrient values from the soil and improve utilization of the nutrient values by plants grown in the soil.

An agricultural tillage implement constructed to condition crop residue and cultivate the conditioned crop residue. The tillage implement includes a first residue conditioner and a second residue conditioner pivotably attached to a frame of the tillage implement. The first and second conditioners are movable independent of each other and of the frame such that an operator may raise and lower the first and second conditioners relative to the frame to change the depths of the conditioners.

A novel soil conditioning rotary reel comprised of a rotary reel having a plurality of flat bars attached to support plates in a symmetrical helix arrangement is disclosed. The number of bars and the diameter of the reel are determined by the limitation that the straight-line distance between two adjacent bars be less than six inches.

The invention relates to a preparation method for a high-activity humic acid biofertilizer. The high-activity humic acid biofertilizer comprises 97-99% of humic acid bio-organic fertilizer, 0.2-3% of special functional bacteria, and 0.1-0.3% of activator. The high-activity humic acid biofertilizer has high quality of organic matter nutrient, is excellent in soil conditioning function, has stable effect and long fertilizer efficiency, has balanced and complete nutrient, comprises multiple inorganic components needed by crops, has high fertilizer efficiency and can promote the growth of the crop and improve the yield and quality, has good disease resistance effect, improves the root system environment of the crop, improves the nutrient absorption of the crop, develops the root system of the crop, and enhances the stress resistance of the crop. After the high-activity humic acid biofertilizer is used by a peasant, a good planting effect can be obtained, and the yield and income are increased, so that the high-activity humic acid biofertilizer is used for producing environment-friendly and organic food.

These and other objects and objectives are attained by providing an soil conditioning rotary reel for a strip-till primary tillage system, the rotary reel having a particular cross-sectional profile that forms the soil into a uniform raised berm ideally suited for planting.

The invention discloses a remediation method for soil contaminated by heavy metal. Heavy metal absorbents are applied to the contaminated soil, collecting gutters are constructed in the periphery of the soil contaminated by the heavy metal, acid elution solutions are sprayed on the surface of the soil contaminated by the heavy metal after heavy metal passivators are applied until the measured content of the heavy metal in the soil contaminated by the heavy metal does not change, the soil contaminated by the heavy metal is washed by clean water until the soil is neutral, and then conditioners and improvement agents for the soil contaminated by the heavy metal are applied. According to the remediation method, the collecting gutters are constructed in the periphery of the soil contaminated by the heavy metal, impermeable films are laid on the bottoms of the collecting gutters, and therefore the heavy metal in the soil contaminated by the heavy metal can be prevented from being leaked or diffused to the deeper part of the soil; one collecting tank can be shared by a plurality of pieces of soil contaminated by the heavy metal, and therefore the resources can be saved; calcium, magnesium, silicon, potassium, phosphorus, iron, manganese, zinc, boron and molybdenum lost from the soil can be supplemented by the improvement agents and the conditioners, and therefore the soil fertility can be improved.

The invention discloses an environment-friendly coated fertilizer and a preparation method thereof, and relates to the technical field of sustained / controlled release fertilizers. The environment-friendly coated fertilizer comprises fertilizer particles and a coat coating the surfaces of the fertilizer particles, wherein the controlled release coat is prepared from polyaldehyde oxidized polysaccharide and protein, and in order to protect the controlled release coat, the controlled release coat is coated with super absorbent resin. The environment-friendly coated fertilizer provides required various nutrients for plants, improves the sustained release performance of nutrient elements of the fertilizer, and has multiple functions of water absorbing and retaining, sustained release, soil conditioning and the like by combining the absorbent resin.

The invention provides a broad spectrum heavy metal activity deactivator preparation method. The present invention relates to a soil conditioning agent preparation method, which comprises the following steps: (A) taking humic acid-rich peat, digest compost or a forest soil humus layer, and carrying out screening to provide a spare use; (B) adding the humic acid-rich material to HCl or HNO3 to soak, and stirring 2-3 times; (C) filtering the soaked material with a bamboo drying pad, washing 2-3 times with clear water, and carrying out air drying to a moisture content of less than 5%; (D) sequentially adding ZnSO4.7H2O, sodium silicate and sodium selenite to the material obtained from the step (C), carrying out aging on the mixed material for 2-3 days and uniformly mixing; and (E) adding limestone powder to the material obtained from the step (D), and completely and uniformly mixing to prepare the broad spectrum heavy metal deactivator. With the combination inhibitor prepared by the preparation method, activities of soil heavy metals can be significantly inactivated, the heavy metals can be inhibited from entering the food chain, and risks on human health by the heavy metals can be reduced.

Soil profiles of sports fields, such as those in stadiums and golf courses, are treated by injecting or suctioning gases and water by means of buried horizontal pipe arrays or by vertical penetrators. The extent of soil treatment is controlled by measurement of subsurface gas composition and pressure at locations remote from the point of gas injection or removal, preferably by using a special probe. Penetrators and probes form seals within shaped holes in the soil profile, to control the depth of the layer at which gas is exchanged, and to inhibit atmospheric air flow vertically along the bodies of the devices. For example, a conical penetrator section forms a seal within the hole by compacting the shoulder of a stepped hole and it forms a second seal at the surface of the soil by means of a plate and gasket. In other penetrator installations, a radially expansible material forms the seal. Penetrators of one or two part construction may be removably installed in fields, to facilitate re-treatment. Vertical penetrators are also permanently installed and connected by an subterranean pipe array.

The invention relates to a novel active agriculture and forestry charcoal micro-nano composite soil conditioning agent and a preparation method thereof, and belongs to the fields of soil conditioningagent technology and compound fertilizer technology. The novel active agriculture and forestry charcoal micro-nano composite soil conditioning agent is prepared from the following ingredients in percentage by weight: 40 to 60 percent of micro-nano active agriculture and forestry charcoal and 40 to 60 percent of other auxiliary materials, wherein the auxiliary materials are prepared from the following ingredients in percentage by weight: 25 to 35 percent of agriculture and forestry biomass waste, 15 to 35 percent of nonmetal oxysalt ore, 15 to 30 percent of natural macromolecular organic matterand 15 to 30 percent of traditional Chinese medicine. The prepared novel active agriculture and forestry charcoal micro-nano composite soil conditioning agent has relatively good soil pesticide, heavy metal harmful residue in-situ repair functions; the efficacy of soil fertility improvement and plant disease and insect pest prevention and control can be achieved.

The invention discloses a special water-soluble soil conditioning package for a saline-alkali land and a preparation method of the special water-soluble soil conditioning package. The soil conditioning package comprises a special soil conditioning agent as a component A and a special nutritional agent as a component B, wherein the special soil conditioning agent as the component A is prepared from 50-70 parts of monosodium glutamate tail liquid, 10-20 parts of organic matter, 1-10 parts of amino acid, 10-30 parts of nutritional element, 0.1-1 part of biostimulant, 0.01-0.5 part of stress-resistant factor and 0.01-1 part of surfactant according to certain steps; the special nutritional agent as the component B contains 5-10% of K2O, 5-15% of medium nutritional element (Ca+Mg), totally 0.1-1% of nutritional microelements (Fe+Mn+Zn+Cu+B) and 3-5% of an anti-caking agent; the nutritional microelements (Fe+Mn+Zn+Cu+B) contains 0-0.8% of Fe, 0-0.5% of Mn, 0-1% of Zn, 0-0.3% Cu and 0-1% of B. The special water-soluble soil conditioning package can condition soil in a staged and intensive manner, and pertinently provides the nutritional elements conducive to stress resistance of plants, so that reaccumulation of saline matters is avoided and nutrient deficiency symptoms of crops are prevented.

An agricultural tillage implement constructed to condition crop residue and cultivate the conditioned crop residue. The tillage implement includes a first residue conditioner and a second residue conditioner pivotably attached to a frame of the tillage implement. The first and second conditioners are movable independent of each other and of the frame such that an operator may raise and lower the first and second conditioners relative to the frame to change the depths of the conditioners.

The invention discloses a production method of water flush fertilizer containing dual-acid chelating-type trace elements, which belongs to the manufacturing field of the composite fertilizer. The fertilizer product is produced by adopting following raw materials that: ammonium nitrate, monoammonium phosphate, potassium sulphate, soil conditioning agent, growth promoter, fruit coloring swelling agent, active root promoting agent, nitro-humic acid, humic acid magnesium, humic acid zinc, humic acid urea iron, amino acid chelating boron, amino acid chelating copper, amino acid chelating manganese, amino acid chelating molybdenum, amino acid chelating calcium and microorganism strain. The fertilizer has main advantages that the fertilizer is uniform and safe to apply; the fertilizer is convenient to apply and free from damaging the roots; rapidness in absorption is realized, and the fertilizer effect is good; and the fertilizer has advantages for improving the soil structure, conditioning the plant variation adaptability, enhancing the absorption capacity of the plants, promoting the formation of plant chlorophyll and guaranteeing the crop yield and income increment.

A soil conditioning device having a series of peripheral ridge members having a leading and trailing prow shaped surface circumscribing a disc, wheel or drum. Optionally the prow shaped peripheral ridge members are joined by sub-ridge members forming a single ridge of varying heights circumscribing the disc, wheel or drum. The invention is also of a method for creating a permeable soil surface using the apparatus herein.

The invention relates to a soil repairing agent used for fixing heavy metal element in polluted soil, a preparation method and an application thereof. The soil repairing agent is a solid granular product, and is prepared by uniformly mixing a soil heavy metal chemical fixing agent ingredient (A), a soil heavy metal adsorbent ingredient (B) and a soil conditioner ingredient (C); according to the mass percentage, the soil heavy metal chemical fixing agent (A) content in the soil repairing agent composition is 20-80%, soil heavy metal adsorbent (B) content is 10-20%, and soil conditioner (C) content is 10-60%. The soil repairing agent can be directly and mutually mixed with the soil polluted by the heavy metal element and then is placed, or the soil repairing agent is dispersed or dissolved in water, then is uniformly stirred and mixed by the soil polluted by the heavy metal element and is placed, so that heavy metal element can be fixed, and heavy metal fixing rate can reach more than 95%. Transportable concentration of the heavy metal element in soil can be greately reduced, soil heavy metal pollution problem can be effectively solved, and polluted soil can be treated and restored finally.

The invention belongs to the field of soil conditioning methods, in particular to a prescription and preparation method of an acidified soil conditioner. The method comprises the following steps of: proportionally stirring and mixing vegetable oil waste, such as waste activated clay, soybean meal and the like, with a potassium hydroxide solution, and regulating the pH value of the materials to be 8-12; then, indirectly heating and stirring the obtained materials to obtain an organic and inorganic alkaline mixture; and finally, dewatering and drying the obtained mixture to obtain organic and inorganic mixed soil conditioner powder. By means of the acidified soil conditioner provided by the invention, the soil acidification problem and other types of acidification problems caused by using chemical fertilizers in old orchards and old vegetable gardens for years are effectively solved, and the situations of resource waste and environment pollution due to the landfill of the waste activated clay are avoided.

The invention discloses a natural compound-based soil conditioner, which belongs to the technical field of chemical pesticides. The natural compound-based soil conditioner comprises the following components in percentage by mass: 97 to 99 percent of wood vinegar or bamboo vinegar and 1 to 3 percent of chitosan. The invention is a chitonsan saline and alkaline soil conditioning liquid which can reduce the pH value of saline and alkaline soil, increase crop yield and improve the quality.

A stable aqueous suspension of water-soluble polyacrylamide particles is in a saturated solution of an ammonium salt. The polyacrylamide particles are characterized by a particle size of about −150 mesh, and preferably −270 mesh, with −400 mesh most preferred. The suspension is at least about 2.5% by weight polyacrylamide. When the ammonium salt is ammonium sulfate, PAM concentrations as high as about 15% by weight can be achieved while still being easily flowable. The suspension is made by stirring the small particle PAM into the saturated ammonium salt solution. The PAM can be quickly dissolved to form a less concentrated PAM solution by adding the suspension to water or to a dilute solution, which can include calcium salts or other soil enhancers.

The invention relates to the field of microorganism soil conditioning and remediation, and in particular relates to pseudomonas frederiksbergensis sp. NT-2 and an application thereof as an acid soil conditioner. The strain is already preserved in a preservation institute appointed by the State Intellectual Property Office in November 5, 2015, the name of the preservation institute is the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No.11585. The soil conditioner provided by the invention can adjust the pH value of soil, promote formation of soil aggregate, improve physical properties of soil, and promote growth of plants, and contains organic matters, calcium, magnesium, silicon and microelements which are beneficial for growth of plants; the added microorganism bacterial agent is relatively good in heavy metal resistance and growth promoting property, toxicity of heavy metals to plants can be reduced, the micro-ecological environment of soil can be improved, the mineral nutrition can be improved, and plant growth can be promoted. The soil conditioner provided by the invention is relatively good in acid soil conditioning effect, can improve soil fertility, and has a relatively good application prospect in biological remediation of heavy metal polluted soil.

The invention discloses a soil conditioning, fertility-increasing and salt-reducing agent for sulfate-type saline soil. The soil conditioning, fertility-increasing and salt-reducing agent comprises the following ingredients by mass: 42-50 parts of phosphogypsum, 15-18 parts of fulvic acid, 6-10 parts of straw, 4-11 parts of medical stone, 7-9 parts of bagasse, 10-20 parts of coal ash, 6-9 parts of aluminium sulfate, 3-8 parts of bean cake, 2-3 parts of hawthorn fruit powder, 0.5-0.8 part of a water-retaining agent, 0.6-0.9 part of lauryl ethoxy ammonium sulfate, 10-16 parts of starch-acrylonitrile, 15-18 parts of hollyhock powder, 10-13 parts of fennel powder and 0.01-0.05 part of halomonas halophiles. The invention further discloses application of the soil conditioning, fertility-increasing and salt-reducing agent to sculellaria barbata planting. The soil conditioning, fertility-increasing and salt-reducing agent and the application thereof to sculellaria barbata planting have the benefits that 12 months after sculellaria barbata planting, sulfate in 100 g of soil has the milliequivalent of 0.09-0.13, the available phosphorus content and the organic matter content of soil are both increased, and the soil moisture permeability and the soil water-retaining capacity are improved.

An economical environmental-friendly composite fertilizer containing active sludge is disclosed. The fertilizer is characterized in that: the fertilizer is prepared from following raw materials by weight in part: 55-59 of oil tea cake, 40-44 of peanut bran, 39-43 of paulownia saw dust, 40-45 of straw powder, 50-55 of chicken manure, 9-11 of kaolin, 3-5 of humic acid, 2-4 of fern root powder, 7-9 of an EM bacterial agent, 8-9 of potassium salt of fulvic acid, 1-2 of ferric sulfate, 20-24 of the active sludge, 10-14 of calcium superphosphate, 25-29 of urea, 6-8 of a soil conditioning agent and a proper amount of water; the fertilizer is economical and environmental friendly; the active sludge is fermented into organic fertilizers and is cooperated with inorganic element fertilizers, the fertilizer efficacy is good, and the fertilizer can increase the crop yield and effectively improve the soil quality; the soil conditioning agent is added, and therefore the fertilizer has functions of promoting efficacy and promoting plant nutrition absorption; and urea melting coating is adopted so that the slow release effects are significant and the fertilizer efficacy is durable.

A disc harrow composed of one or more disc gangs has a subframe coupled to the disc gangs to move the disc gangs in response to variations in farmland terrain to limit the impact of obstructions when encountered during the harrowing process. When the obstruction is cleared, the subframe automatically returns the disc gangs to their pre-obstruction position. In addition to reducing the potentially-damaging impact of obstructions, the subframe also maintains a more consistent reel depth during undulations or changes in the farmland terrain, such as during harrowing of slopes or unleveled fields such as valleys, near waterways, and along fence rows.

The invention belongs to the technical field of soil conditioning and repairing and particularly relates to alkaline soil conditioner and a continuous steam-pressing device and method thereof. The alkaline soil conditioner comprises, by weight, 15-30 parts of ardealite / desulfurized gypsum, 10-20 parts of citric acid residues, 3-10 parts of waste sulphur, 12-20 parts of superphosphate, 30-35 parts of furfural residues, 14-18 parts of magnesium sulfate, 6-10 parts of aluminum sulfate, 2-3 parts of sulfuric acid compounds and 15-30 parts of humic acid. According to the alkaline soil conditioner, surface soil alkaline substances can be neutralized, the Na+ and Cl-ion content of a soil plough layer can be reduced, the soil exchangeable calcium and magnesium content can be increased, and the soil structure can be improved. A compound microorganism microbial agent is adopted, alkalified soil can be effectively improved, the soil micro-ecological environment can be improved, and soil disease microorganisms can be killed. The alkaline soil conditioner can achieve the large-scale purpose, is free of the three-waste problem and suitable for being widely applied and popularized, and can generate great economic benefits.

The invention relates to a biological soil conditioning agent containing sugar mill alcohol waste liquid, filter residue or peat. The biological soil conditioning agent is characterized by being prepared from sugar mill alcohol waste liquid treated by acid and alkali treatment, peat and sugar mill filter residue obtained from microorganism fermentation, wherein the ratio of the sugar mill alcohol waste liquid treated by the acid and alkali treatment, the peat and the sugar mill filter residue obtained from the microorganism fermentation is (2000-5000): (100-300): (500-800) in parts by weight. The biological soil conditioning agent disclosed by the invention can provide balanced influence on the crops and can optimize structural balance of the soil, and can maintain sufficient soil nutrition for a long period and improve crop yield. And furthermore, the biological soil conditioning agent disclosed by the invention can additionally reduce heavy metal content in the crops.

The invention relates to a soil conditioner for passivation of heavy metals and a preparation method of the soil conditioner. The preparation method comprises the following steps: mixing a material which is rich in humic acid and a strongly alkaline solution; extracting the humic acid after heating the mixture; and carrying out combined flocculation on the humic acid to obtain the soil conditioner for passivation of the heavy metals. According to the preparation method, lignite and weathered coal which are distributed widely, abundant in reserves, low in price and easy to obtain are used as raw materials and are extracted in an environmentally friendly process, and the soil conditioner for passivation of the heavy metals is obtained by initiative combined flocculation. The soil conditioner contains calcium humate, is rich in functional groups such as carboxyl and hydroxyl, can effectively adsorb the heavy metals so as to reduce biological effectiveness of the heavy metals, and can be used for conditioning and repairing heavy metal polluted farmlands including acid soil.

A process for preparing a multi-element acidic soil conditioning agent from the alkali dregs and city sludge includes such steps as adding calcium lime to city sludge for stabilizing and disinfecting it, modifying the alkali dregs by (NH4)2HPO4, mixing them together, stacking to obtain compost, drying and breaking.

The invention provides a preparation method for pyroligneous liquor and organic fertilizer mixture soil conditioner and a conditioning method thereof, belonging to the field of organic fertilizer and farm insecticide. The method comprises the following steps of in organic fertilizer compost with 70-80 percent of cow manure, diluting 1-1.5 kg pyroligneous liquor by adding 30 times of water for five times, and adding the diluted mixture in the compost, wherein the adding time is the time when starting composting is started and when the first composting temperature is 50 DEG C and when the composting temperature is 65 DEG C in subsequent times; stopping continuously stack-turning, cooling the compost body to the atmosphere temperature, drying the compost by air and sieving the compost, obtaining the pyroligneous liquor organic fertilizer mixture soil conditioner. The conditioner can be uniformly scattered on the soil surface before plowing according to the dosage of 1000 kilograms per mou, namely 5-7.5 kilograms pyroligneous liquor per mou, according to the root depth range when the crops to be cultivated in the soil are matured, the conditioner is ploughed and mixed in the root depth range when the crops is matured in the soil surface, the crops can be cultivated. By adopting the method and the conditioner and the conditioning method provided by the invention, the composting stroke can be improved prominently, the composting quality can be improved, and the physical, chemical and biological indexes of the soil which is conditioned by the conditioner can be greatly improved.

A composite material for ecological construction consists of organic polymer, organic biological active material, organic refuse, nutrients for plant growth and slow-release and soil conditioning material. It can be used in semiarid region and desertification soil. It can improve plant growth environment, resist wind and water erosion. It is also cheap and non-toxic.

The invention discloses a composite material for eco-environment construction of plants. The composite material is formed by compounding organic polymers, organic bioactive materials, organic wastes, nutrient elements needed for plant growth, controlled-release and soil-conditioning materials and the like. The composite material can be applied into soil by soil blending or an aqueous solution, has multiple efficacies of supplying nutritions, slowly releasing and balancing nutrition constituents, improving physicochemical properties of soil, holding moisture and resisting draught, restricting salinization or alkalinization, resisting wind erosion and water erosion and the like, achieves dual functions of improving plant growth environments and increasing plant survivability and is particularly suitable for eco-environment construction of plants and husbandry production in western loess semi-aired areas, high-salinization and high-alkalization desertification soil and other loose-structure soil areas in China. The composite material disclosed by the invention has the advantages of optimized functional compounding, no toxicity and harms, low cost, quick effect taking, simpleness and convenience for construction and capabilities of effectively improving desertification soil, providing favorable water and soil conditions for plant growth and improving quality and efficiency of eco-environment engineering construction.