514 results about "Soil aggregate" patented technology

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 an amino-acid chelated organic fertilizer and a production method thereof. The amino-acid chelated organic fertilizer is prepared from the following raw materials: 38-56wt% (weight percent) of organic matters, 10-15wt% of composite amino acid, 10-15wt% of chelating agent, 2-4 wt% of trace elements and 20-30wt% of nitrogen, phosphorus and potassium. Each gram of product contains more than 20 millions of live beneficial microbes. The amino-acid chelated organic fertilizer has the functions of improving the physical and chemical performances and the water and nutrient retaining performances of soil and promoting the formation of soil aggregates, is an preferential organic agriculture fertilizer, is suitable for vegetables, fruits, rice, corn, bananas, peppers and other crops, can ensure the high yield, good quality and good taste of agricultural products and can ensure that the nutrients of the agricultural products are increased significantly.

The invention discloses a plant growth soil culture medium, which is composed of the following materials in percentage by weight: 30-32% of clay, 35-38% of organic matter, 19-25% of plant fiber, 3-6% of stabilizing agent, 0.035-0.085% of aggregate agent, 2% of fertilizer, 36-45% of clean water and 0.9-3.3% of seed. The invention also discloses a preparation method of the plant growth soil culture medium. The plant growth soil culture medium has the advantages of stable soil aggregate structure, water retention, fertilizer retention and good air permeability, and is suitable for plant growth. The preparation method is novel and convenient and has low consumption and operability.

The invention provides an acidic soil conditioner, and a preparation method and application thereof. The acidic soil conditioner comprises the following components in part by weight: 4 to 8 parts of composite bacterial agent, 80 to 90 parts of acid adjusting factor, 3 to 7 parts of chelate and 2 to 6 parts of organic matter. The acidic soil conditioner adjusts the pH value of soil, promotes formation of soil aggregate structures, improves the physical property of the soil, creates a good ecological environment for the growth of plants, increases organic matters, calcium, magnesium and silicon and the activities thereof, promotes healthy growth of crops, enhances stress resistance and prevents diseases and pests. By adoption of the composite bacterial agent, the constitution of a microflora of the soil can be improved, the microbial activity of the rhizosphere of the crops is enhanced, mineralization of organic pollutants is accelerated, growth of the plants is promoted, and absorption of degradation products and bioremediation of the polluted soil are accelerated. The acidic soil conditioner has no toxicity, residues and pollution, accords with the development tendency of organic pollution-free agriculture and has great popularization and application values.

The invention discloses an ultrasonic remediating method for heavy metal polluted soil / slurry, which comprises the following steps of: performing ultrasonic cavatition on the slurry so as to scatter soil aggregates and resolve heavy metals combined with soil particles into pore water; after ultrasonic effect is stopped, adsorbing nearly all the heavy metals on the fine particles according to the characteristic that the competitive adsorption capacity of the fine particles is stronger than that of coarse particles; and separating the coarse and fine particles with a vibration sieve so as to obtain clean coarse particles and heavy metal-enriched fine particles, wherein the coarse particles after being simply dehydrated can be used as soil materials; and the fine particles after being subjected to slurry-water separation treatment and then solidification / stabilization treatment can be safely used and sanitarily landfilled. The method is high in treatment efficiency, can treat the soil / slurry by adopting a continuous operation way, and is low in treatment cost. The obtained coarse particle material has good engineering properties; and the obtained a few of fine particle materials containing a large amount of heavy metals can be effectively treated and controlled in pollution by adopting a solidification method.

The invention discloses a deep-ploughing-free compound microbial fertilizer, and each ton of the fertilizer contains 10-25 kg of polyacrylamide, 10-30 kg of bacillus subtilis, 5-25 kg of streptomyces microflavus, 5-20 kg of bacillus laterosporus, 1-4 kg of diethylaminoethyl hexanoate, 20-50 kg of a polyaspartic acid, 5-25 kg of EDTA (Ethylene Diamine Tetraacetic Acid), 10-30 kg of urea, 5-20 kg of potassium humate, and the balance of organic filler. The fertilizer disclosed by the invention is high in microbial activity and strong in biological stability, can be used for effectively improving the soil aggregate structure, eliminating the soil hardening, enhancing the infiltration capacity of soil, and improving the cushioning properties of soil, and can be used for alleviating the damages on crops caused by soil secondary salinization due to excess fertilization; and the fertilizer disclosed by the invention also can be used for promoting the growth and development of beneficial microorganisms in the soil, thereby improving the utilization rate of the fertilizer and promoting the root growth of crops, so that roots are developed, the disease resistance of crops is enhanced, and the yield-increasing effect is obvious.

The invention discloses a production method and application of sandy land conditioner made from bentonite. The production method and application include the steps of firstly, purifying and modifying bentonite, and adding special additive to produce sandy land conditioner; secondly, manually or mechanically evenly scattering the sandy land conditioner to sandy soil surface of leveled sandy land, dry farmland or arid farmland; thirdly, using a rotary tiller to perform rotary tillage so as to evenly mix the sandy land conditioner and the sand soil inside topsoil; and fourthly, fully irrigating with water to enable the sandy land conditioner to absorb water and turn adhesive so that the sandy land conditioner is well combined with the sand soil to form soil aggregates, thereby achieving water saving, water holding, fertilizer holding, wind proofing and sand stabilization and increasing yield of planted crops. The sandy soil conditioner is mainly used for modifying sand soil, dry farmlands and arid farmlands, and can also be used for modification of saline-alkali soil, impoverished soil, yellow mud soil and easily caking soil, desertification control and various sand stabilizing projects. The sandy land conditioner is more effective in application to rice planting.

The invention provides a soil ventilation improving synergist containing iron tailings and a preparation method thereof. The soil ventilation improving synergist comprises, by weight, 1 part of tailings, 0.01-0.1 part of crop straws and 0.01-0.1 part of polyvinyl alcohol. After the soil ventilation improving synergist is added into the soil, soil trace elements can be added, soil aggregate is increased, porosity of the soil is increased, soil ventilation is improved, and improvement of activity of microorganisms and enzyme in the soil is promoted. Hydroxyl on a polyvinyl alcohol high molecular chain on the surface of a tailings particle can be attached to soil particles, and soil aggregate and fine pores of the soil are further increased. Crop straw particles processed through decomposing can improve a biochemical property of cohesive soil, provides abundant organic substances for the soil, stimulates the microorganisms in the soil to grow and move, and improves fertilizer retaining and fertility improving capacity of the soil. The soil ventilation improving synergist is low in cost, simple in preparation process, favorable for popularizing. Simultaneously, double effects of chemical modification and physical modification are achieved simultaneously, and the effects are remarkable.

The invention relates to a soil modifier, in particular to a organic compound soil modifier and a preparation thereof, and the compound soil modifier comprises the following raw materials by parts by weight: 100-200 parts of organic matters, 20-40 parts of porous inorganic matters, 30-60 parts of clay, 100-150 parts of strong acid, 60-100 parts of compound fertilizer or urea, 40-70 parts of clay, 0.5-2 parts of microbial agent and 0.03-0.1 part of yeast. The compound soil modifier can significantly improve the soil physical and chemical properties, improve the content of the organic matters in the soil, promote the soil aggregate formation, have a porous structure, effectively prevent the loss of nutrients, promote the crop growth, improve the utilization efficiency of the fertilizer and the like, further utilize the renewable resource, realize small environmental risk and have excellent ecological and economic benefits.

The invention discloses a plant planting soil moisture preservation water-saving fast growing method, which is mainly characterized in that an anti-seeping layer, an anti- evaporation layer and a water storage soil moisture preservation layer are developed and additionally arranged in tree planting and seeding processes; alluvial soil, aeolian sandy soil, picked open-pit mine abandoned soil, straws, weed, plant branches and leaves, sawdust, vinasse, medicine slag and rice hulls are used; the processes of screening, thorough decomposing, fermentation and proportional and uniform mixing are performed; the materials are processed to be made into microbial nutritional planting soil with the organic matter content reaching 45 percent to 60 percent; the microbial nutritional planting soil can improve and optimize the soil; the soil aggregate structure and the moisture-holding capacity are increased; moisture seepage can be prevented by the plant anti-seeping layer; moisture is prevented from being diffused to the bottom and peripheral soil; the plant anti-evaporation layer can avoid the sunlight direct irradiation; the evaporation quantity of the soil moisture in a ditch and a pit can be reduced. The method has the advantages that rain and snow resources can be gathered for use; the underground water resource is saved; the planting survival rate can be improved; the tree seedling canopy closing forest forming period is shortened; the ecological construction quality is comprehensively improved.

The invention relates to a biological carbon-based ecological fertilizer. The biological carbon-based ecological fertilizer is prepared from, by weight, 30 to 40 parts of biological carbon, 10 to 30 parts of humic acid, 10 to 20 parts of urea, 5 to 15 parts of ammonium dihydrogen phosphate, 5 to 15 parts of potassium sulphate, 1 to 5 parts of pyroligneous liquid, and 0.5 to 2 parts of trace element. The biological carbon-based ecological fertilizer is capable of increasing soil organic matter content and soil cation exchange capacity effectively, activating soil, promoting formation of soil aggregate structures, preventing and treating soil salinization, avoiding successive cropping obstacles, improving nitrogen fixation and phosphate solubilizing functions, releasing phosphorus, potassium, and trace element immobilized in soil, improving soil fertilizer, water, and soil moisture conservation capacity, reducing fertilizer application amount, reducing grain pollution caused by soil with excess heavy metal, stimulating crop growth, and improving agricultural product quality obviously.

The invention provides a redbed sandstone slope raw surface artificial soil preparation method, which prepares the artificial soil with raw material components including redbed sandstone rock, redbed shale rock, compound containing silkworm excrement and / or wormcast and / or algae residue, peat, straw, livestock and poultry manure, cement, lignosulfonate, high water-absorbent resin and fertilizer which are effectively mixed under certain conditions. The preparation method has significant effects in speeding up the formation of redbed sandstone slope raw surface artificial soil aggregate structure, increasing the water and fertilizer-keeping performances of the soil, improving the physical and chemical properties of the soil and promoting the plant growth and development.

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 complex water-retaining synergistic chemical fertilizer which is composed of the following constituents by weight proportion: 88%-92% of nitrogenous fertilizer, 1%-2% of laurinol oxethyl ammonium sulfate, 1%-2% of water-retaining agent, 2%-3% of complex biological bacteria, 1%-2% of humic acid, 1%-2% of zeolite powder and 1%-2% of bentonite. The complex water-retaining synergistic chemical fertilizer provided by the invention can be used for effectively improving the soil aggregate structure, eliminating the soil hardening and enhancing the soil permeability, thereby enhancing the fertilizer utilization rate, increasing the soil water-retaining ability, improving the soil structure, promoting the crop growth and improving the crop quality.

A vegetation protective soil base material activation method is applied to the fields of ecological slope protection project, ecological restoration project and side slope and landscape garden greening project and the like. The method includes that concrete greening additive, organic matter, cement and activation substance are fully mixed to be uniform and then mixed into soil base material, and a spraying and sowing machine is adopted to spray activation substance on side slope finally, wherein the activation substance is obtained by combination and activation of three microbial inoculum fertilizers of nitrogen-fixing microbial inoculum fertilizer, phosphate-dissolving microbial inoculum fertilizer and silicatebacterium fertilizer. The vegetation protective soil base material activation method provided by the invention provides growth environment for plants in concrete and is beneficial to side slope greening plant growth. Meanwhile quantity of microorganism in slope protection base material is increased, and soil nutrient activation speed is improved by utilizing decomposition of microorganism on organic matter and release action of microorganism on mineral element, thus improving soil aggregate, improving soil fertility and effectively promoting side slope restoration.

The invention discloses a paenibacillus elgii strain CGMCC No.4231. The microbial inoculant or moisture-retention organic fertilizer prepared from the strain has the functions of preventing the plant diseases, reducing the water loss of plant rhizosphere, strengthening the soil aggregate, improving the soil and promoting the plant growth. The bacteriostatic drought-resisting organic fertilizer is suitable for various crops and cash crops cultivated in arid areas and in dry seasons.

The invention discloses a planting method of wild rice shoots interplanted with stropharia rugoso-annulata. After the harvesting of the wild rice shoots is completed in autumn in middle and late October in each year, ridges are sorted on inter-row vacant land of the wild rice shoot planting, then, waste and abandoned wild rice shoot leaves are used as major culture media to be matched with rice chaff and straw, culture bases are manufactured on the ridges, then, a spread seeding or pit seeding mode is adopted for seeding, next, the wild rice shoot leaves and the rice land soil are covered, the stropharia rugoso-annulata is promoted to grow, and the harvesting can be completed till April in the next year. The planting method provided by the invention solves the problem of environment pollution caused by waste and abandoned wild rice shoot leaves, and an efficient ecological wild rice shoot leaf utilization mode is formed; secondly, the land utilization rate is effectively improved through the interplanting of the wild rice shoots and the stropharia rugoso-annulata; thirdly, the wild rice shoot leaves are used as culture substrates of the stropharia rugoso-annulata, and the production cost of the stropharia rugoso-annulata is reduced; and fourthly, culture materials decomposed by the stropharia rugoso-annulata can also be used for improving the soil aggregate structure to promote the wild rice shoots to obtain high yield, so a benignant cyclic production mode is formed, and the method is worth of being popularized.

The invention relates to a testing device and an evaluation method for static water stability of cohesive soil aggregates. The testing device comprises a glass bathtub; a temperature sensor; a resistance type heater; a temperature controller; a separate plate; an accommodating zone; a water inlet switch; a water inlet pipe; a water inlet storage container; a water outlet switch; a water outlet pipe; a constant temperature water bath device composed of a micro high temperature resistant water pump and a water outlet storage container; a container lift control system composed of a support frame, a support frame pedestal and a lifter; a weight monitoring device composed of a hanging electronic scale and a telescopic hook; and a test container composed of a suspension loop and a stainless steel annular sieve. The evaluation method comprises following steps: assembling of the testing device; setting of testing temperature; delivering of soil samples; performing of testing experiment; evaluating of the stability, and cleaning of the test container. Testing precision on the static water stability of the cohesive soil aggregates is high; the testing device is convenient to assemble, and simple to operate; cost is low; and evaluation on the stability of the cohesive soil aggregates can be performed quickly and effectively.

The invention provides a redbed sand-shale interbedded slope raw surface artificial soil preparation method, which prepares the artificial soil with raw material components including redbed sandstone rock, redbed shale rock, compound containing silkworm excrement and / or wormcast and / or algae residue, peat, straw, livestock and poultry manure, high water-absorbent resin, attapulgite powder, polyvinyl acetate and fertilizer which are effectively mixed under certain conditions. The preparation method has significant effects in speeding up the formation of redbed sand-shale interbedded slope raw surface artificial soil aggregate structure, increasing the water and fertilizer-keeping performances of the soil, improving the physical and chemical properties of the soil and promoting the plant growth and development.

The invention provides a biomass charcoal-containing fertilizer assistant, being prepared from 0.5wt percent to 10wt percent of crop growth active factor, 0.5wt percent to 3wt percent of high molecular material and the balance of biomass charcoal. By adding the components and adjusting contents thereof, a fertilizer utilization rate can be increased, the crop yield can be improved, soil volume-weight can be lowered, air permeability and water permeability are enhanced, the forming of soil aggregate is promoted, soil cation exchange capacity is improved, and then soil moisture and fertilizer retention capacity is enhanced; heavy metals, residual pesticide and antibiotics fixed in soil can be adsorbed and can be absorbed less by crops, and crop quality is promoted; in conclusion, the fertilizer assistant has the characteristics of improving soil environment and increasing the fertilizer utilization rate.

The invention relates to a saline-alkali soil conditioner, prepared from the following components by mass percent: 45-65% of desulfurized gypsum, 25-35% of humic acid and 5-30% of citric acid. The invention also relates to a preparation method and the application of the saline-alkali soil conditioner. The saline-alkali soil conditioner is prepared by blending the low-cost raw materials according to the specific proportion, is simple and convenient to use, and is capable of adjusting the pH of soil, increasing soil organic matters, promoting the formation of a soil aggregate structure and improving the permeability of the soil so as to comprehensively improve the saline-alkali soil from multiple points of view; therefore, the saline-alkali soil conditioner has wide popularization and application prospect.

The present invention belongs to the field of soil and fertilizer, and is especially one kind of organic material comprising turf and humate and its preparation process. The organic material is granular organic fertilizer prepared through spraying humate to turf and granulating, the turf is grass peat with medium decomposition degree and ash content below 50 %, and the humate is potassium humate, sodium humate or ammonium humate from turf, lignite or weathered coal. The organic material of the present invention can increase organic matter content in soil, improve soil aggregate structure of and proportion among solid phase, liquid phase and gas phase in soil, promote plant growth, raise potash fertilizer and phosphate fertilizer utilizing rate and raise agricultural product quality, has other advantages, and is suitable for various types of soil.

The present invention belongs to the field of soil conditioner, and is especially one kind of aeolian sandy soil conditioner and its usage. The aeolian sandy soil conditioner consists of turf and sapropel as natural organic matters and biological moisture keeping agent of high hydroscopicity resin synthesized with corn. It may be powder or grain, and can regulate the solid, liquid and gas proportion of aeolian sandy soil, decrease its unit weight, improve soil aggregate structure, increase organic matter and humic aid content, raise the physical, chemical and biological performances of soil, and make the soil suitable for crop to grow. When it is used, the aeolian sandy soil conditioner is mixed with aeolian sandy soil containing water in 20-40 % in the weight ratio of 10-77 to 100.

This invention discloses banana special using fertilizer that can prevent banana from fusarium wilt. It contains ferment fungi available alive fungi number 0.2*108-1*108 piece every gram, nitrogen 3-10 percent, available phosphor P205 1-5 percent, kalium 7-16 percent, organic matter 15-30 percent, calcium, magnesium, silicon, sulfur, boron 1-5 percent, humic acid 6-15 percent. The banana special fertilizer in this invention has five advantages. Firstly, harmful germ in soil can be availably killed or restrained to reduce disease. Secondly, it can improve soil aggregate structure, and improve soil moisture and fertilizer keeping ability, also can solve soil harden and soil productivity reducing brought by using fertilizer. Thirdly, it can supply nutrition according to banana growth. Fourthly, it can improve output and reduce cost. Fifthly, it can orientated break up lots of organic matter into amino acid, glucose, fructose and other organic nutrition to supply banana direct absorbing to improve banana's quality, so color, smell, and other green food standard can be reached.

The invention discloses a preparation method of a seaweed biological soil conditioner with a saline and alkaline land improvement function. The soil conditioner is prepared with a compound microbial fermentation technology from raw materials including Enteromorpha, kelp and oyster shell powder, has the functions of seaweed fertilizer, microbial fertilizer and organic fertilizer, contains rich seaweed functional active ingredients and large quantities of probiotics, can effectively regulate microbial balance of soil, decompose organic or inorganic constituents such as organic matters, mineral substances and the like in the soil, eliminate soil hardening, desertification, salinization and the like caused by abuse of chemical fertilizer all year round and improve the soil effectively, has the specific function of improving the stress resistance of crops, and improves the crop capacity; the soil conditioner can especially promote release of the organic matters in the soil, improves the physicochemical structure of salinity soil, improves the soil aggregate and permeability, improves the soil fertility, improves the grain yield increase capacity of a saline and alkaline land and is an excellent saline and alkaline land soil conditioner and a crop growth promoter.

The invention provides a method for preparing a microbial organic bacterial manure. The method comprises the following steps: S10. carrying out primary composting: after bone shell raw materials in an organic raw material are crushed into powder, adding activated carbon and BEST bacterial mixtures to compost; step 20. carrying out secondary composting: adding non-bone-shell materials in the organic raw material, biogas residues of animal dung subjected to biogas fermentation and the BEST bacterial mixtures into the product subjected to the primary composting to conduct the secondary composting, wherein the organic raw material is one or multiple of dry branches and fallen leaves, food and feeds, barks, kitchen garbage, animal dung, crop straws and household garbage. The organic bacterial manure prepared by the method for preparing the microbial organic bacterial manure can change the physical, chemical and biological properties of soil, can keep the soil loose, can promote formation of soil aggregate structures so as to improve the permeability of the soil, and can provide crops with the good soil environment so as to cause plants to strongly grow.

Disclosed is a high efficiency alkaline organic phosphorus compound fertilizer for acidifying soil, characterized in that it comprises 60-95 mass% of alkaline organic phosphorus fertilizer, 0.1-1 mass% of microelement and 5-39 mass% of fertilizer. The advantages of the invention includes: 1 supplying phosphor element in the soil; 2 the alkaline organic phosphorus fertilizer has high pH value, can damp and regulate pH value of soil and eliminate poisoning of Al3+; 3 highly efficient, and hard to be fixed by soil, acidifying major element urgently needed by the soil plant; 4 hard to be washed out by rain; 5 regulating damping capacity and pH value of the soil, and improving soil aggregate structure.

The invention relates to the technical field of soil environment conditioning and improvement, in particular to an organic active soil agent and a preparation method thereof. The organic active soil agent includes active humic acid 20-30%; magnesium sulfate 5-15%; surfactant 0.3-0.6%; modified bentonite or modified kaolin: the balance. The organic active soil agent prepared by the invention has the characteristics of convenient preparation, excellent water absorption and water retention performance, improvement and restoration of soil environment, improvement of ion adsorption and exchange capacity, improvement of fertilizer utilization rate, increase of plant yield, improvement of plant quality and the like. Used in soil, it can increase the content of soil organic matter and nutrients, promote the formation of soil aggregates, improve soil physical and chemical properties, improve soil structure, improve soil air permeability and water permeability, and improve soil adsorption, water retention, and fertilizer retention. Inhibit the activity of heavy metals and harmful substances. It can play a very good role in improving barren land, and the effect of long-term use is better.

The invention provides a growth promoter containing microbial agent for inducing composite growth promotion and most effective growth promoting possibility thereby. The microbial agent contains at least two or more PGPR stains selected from soil microbe, and one of them must be a mixture of AP162. Thus, the invention probably overcomes the defects caused by traditional method of random using PGPR strain, such as high cost and low growth promoting effect. In addition, if the growth promoter of the invention is used in cultivation of crops such as cabbage, cucumber, beans, red peppers and tomatoes, the crop of fine variety can be obtained in relative shorter period thereby enhancing marketability and yield and reducing usage amount of fertilizer, thus continuous cultivation can be realized without destroying soil aggregate.

A saline soil conditioner for coastal intertidal zone and application thereof. The conditioner comprises, by mass ratio, 2-6 parts of an organic fertilizer, 0-0.45 part of humic acid, 0.005-0.015 part of a trace additive composition, 0.025 part of urea, and 0.050 part of diammonium phosphate. The trace additive composition comprises 60% of polyacrylamide, 30% of ''732'' type cation exchange resin, 5% of cytokinin and 5% of auxin. The soil conditioner can enhance land productivity, improve soil, increase soil aggregate, increase soil biological activity, reduce soil salinity, and promote plant growth in saline-alkali soil.