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.

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 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.

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.

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 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.