37results about How to "Improved physical and chemical properties" patented technology

The invention discloses a compound fertilizer special for dragon fruit, and a preparation method and an application thereof, and belongs to the technical field of the fertilizers and the preparation methods thereof. The compound fertilizer special for the dragon fruit is prepared from the following components by weight percent: 40-90% of organic fertilizer, 40-49% of inorganic chemical fertilizer, 4-6% of humic acid, 0.5-1.5% of nutritional additives, 5-7% of composite binder and 0.4-0.7% of conditioner. Due to optimized combination of the organic fertilizer, the inorganic fertilizer, major elements and trace elements, the dragon fruit can be enabled to bloom and bear fruits early, the yield of the dragon fruit can be increased, and the quality of the dragon fruit also can be improved. Due to organic-inorganic combination, complete nutrition is provided for the growth of the dragon fruit, and the soil structure can also be modified easily, the utilization rate of the fertilizer is increased, and the yield and the quality of the dragon fruit can be improved remarkably; in the meantime, the compound fertilizer also has the advantages that the agricultural wastes are recycled and the preparation cost of the fertilizer is low, and therefore, the compound fertilizer is excellent in economic benefit and ecological environmental benefit.

The invention relates the soil conditioner, comprising the following steps: using porous inorganic matter as raw material, adding 3wt%-50wt% forming agent and 0.1-50wt% activating agent, granulating, and getting the product. The soil conditioner can modify soil physicochemistry deseription; it can be mixed with inorganic or organic fertilizer. It also can be used as carrier to product microbe soil conditioner. It is mixed with organic matter to product organic fertilizer which contains high nitrogen content.

The invention discloses a humic acid controlled release fertilizer with the total coated rate being 3 to 20 percent per wt. The fertilizer is prepared according to the following procedures: firstly, the granulated fertilizer is preheated, and epoxy resin and a curing agent are added; secondly, humic acid solid film material is scattered onto the moving fertilizer grains, and is continuously heated to hold the temperature; under the function of the epoxy resin and the curing agent for 3 to 6 minutes, the humic acid solid film material is wrapped on the moving fertilizer grains to form a shock proof and abrasion resistant coating layer, and once coating layer is finished; thirdly, the first step and the second step are repeated for a plurality of times in sequence until the humic acid solid film material wraps on the fertilizer grains completely, the coating layer is solidified and the humic acid controlled release fertilizer with the controlled release period being 1 to 12 months is prepared . The humic acid controlled release fertilizer of the invention can increase the utilization rate of fertilizer, reduces agricultural plane source pollution, enhances the stress resistance of plants and improves the quality of crops.

The invention relates to the technical field of soil improvement, and concretely discloses a saline-alkaline land soil conditioner, and a preparation method and an application thereof. Raw materials of the conditioner comprise 400-600 parts of a biomass decomposed material, 150-242 parts of a pyroligneous liquor, 200-300 parts of charcoal powder, 4-10 parts of urea and 2-10 parts of a microbial agent. All the components are synergistically combined, so the conditioner contains abundant organic matters, provides favorable conditions for crop growth, can improve the physical and chemical properties of the soil and slowly release nutrients, improves the fertilizer utilization rate and the water holding capacity of the soil, effectively reduces the pH value of the soil and the salt content ina soil solution, delays accumulation of salt in the surface soil, and has a good improvement effect on saline-alkaline land soil.

The invention relates to a soil conditioner prepared by activating phosphate rock tailings by using organic/inorganic activators and a preparation method thereof. The soil conditioner is prepared by taking phosphate rock tailings as raw materials through carrying out mixed grinding on the phosphate rock tailings so as to activate the phosphate rock tailings in an organic-inorganic combined activation mode, in such a way, the influence of impurities in the phosphate rock tailings is overcome, so that low-content calcium, magnesium, phosphorus, silicon and iron in the phosphate rock tailings are fully activated, and then released into elements which can be effectively utilized by plants, therefore, the product has rich silicon, calcium, magnesium, nitrogen and phosphorus elements and the like, and has a good effect on the improvement and conditioning of acidic soil. The method has the advantages of simple operation, easily available raw materials, good product quality, simple reaction process, environmental friendliness, and the like.

The invention relates to the field of fertilizers, and in particular relates to a special environmental-friendly organic controlled release fertilizer for grapes. The grape planting high-utilization-rate odorless organic fertilizer is prepared from the following raw materials in parts by weight: 100 to 128 parts of dry natural cow dung, 40 to 68 parts of charcoal, 30 to 55 parts of coated controlled release phosphate fertilizer, 6 to 13 parts of plant ash, 10 to 15 parts of kieselguhr, 4 to 5 parts of sodium alginate, 10 to 16 parts of humic acid liquid, 10 to 20 parts of chitosan, 5 to 11 parts of ammonium molybdate, 10 to 13 parts of attapulgite clay, 10 to 13 parts of fertilizer controlled release formulation, 3 to 13 parts of polyethylene glycol and 20 to 25 parts of surfactant. The special environmental-friendly organic controlled release fertilizer for grapes has the advantages of comprehensive and rich nutrients, low preparation cost, longer fertilizer persistence and rich organic matters, cannot cause soil hardening after long-term use, can increase organic matter content in the soil, and can achieve the effects of continuously increasing of production and income.

The invention provides a pesticide and fertilizer dual-purpose soil structure conditioner and a preparation method thereof, relates to the technical field of deep processing of functional organic fertilizers and in particular relates to a pesticide and fertilizer dual-purpose soil structure conditioner with prominent functions of comprehensively improving physical and chemical properties of soil,repelling underground pests and controlling soil acidification and a preparation method of the pesticide and fertilizer dual-purpose soil structure conditioner. The pesticide and fertilizer dual-purpose soil structure conditioner is researched and developed by adopting various natural medicinal plants as well as livestock and poultry feces as basic raw material components; and compared with an ordinary biopesticide or organic fertilizer, the pesticide and fertilizer dual-purpose soil structure conditioner has the effects of low carbon, ecologicalization and high quality, can be used as a fertilizer and water retaining agent, a growth regulating agent, a pesticide slow release agent and a chemical element chelating agent to play roles in improving a soil structure, increasing the utilization ratio of a fertilizer, irritating the biological activity, improving the quality of crops and enhancing the resistance of the crops and shows obvious advantages on the aspect of optimizing the ecological environment, the soil structure, fertility supply, pest repelling and crop resistance as comparison with a conventional organic fertilizer or a single functional conditioner.

The invention discloses a method for preparing a nanometer porous fiber membrane with a microporous/mesoporous structure by modifying an electrospun fiber membrane. By using an electrostatic spinningtechnology, a fiber membrane is quickly and efficiently prepared, the surface of the fiber membrane is modified, so that it is ensured that the fiber structure is not damaged in the hypercrosslinkingreaction process, and 1,2-dichloroethane as a solvent, lewis acid as a catalyst and dimethoxymethane as a hypercrosslinking agent are subjected to a Friedel-Crafts alkylation reaction to prepare the porous fiber membrane. The fiber membrane prepared by using the method has a macroscopical membrane morphology, and the problems that film forming is difficult for a porous material, and the porous material is low in specific surface area are solved. Besides, the fiber membrane obtained by using the method has a superhigh specific surface area, and the specific surface area can be up to 640.41 m<2>/g and is 10-100 times of the specific surface area of a traditional fiber membrane.

The invention discloses a titanium-based positive electrode with a high oxygen evolution overpotential and a preparing method thereof. A Cu-doped SnO2 film layer and a titanium substrate are arranged in the electrode from outside to inside. According to the preparing method, the titanium substrate which is subjected to decontamination and TiO2 removal treatment and is in any geometrical shape is coated with a precursor solution containing Sn and Cu, and high-temperature annealing is carried out to form the titanium-based Cu-doped SnO2 positive electrode. By means of Cu element doping, physical and chemical properties of a SnO2 film are changed, and the high oxygen evolution potential of the positive electrode exceeds 2.6 V (vs NHE).

An embodiment of the invention discloses a production technology for processing a multifunctional soil conditioner by utilizing industrial solid waste. The production technology includes the steps ofsolid waste pretreating, solid waste surface modifying, pretreating, packaging and the like. The production technology has the advantages that recycling of the solid waste is realized, by the aid of the produced multifunctional soil conditioner, soil aggregation can be facilitated, original physicochemical properties of soil can be improved remarkably, microbial activities of the soil can be facilitated, seepage force of fertilizer water can be strengthened, water retention capacity of the soil can be enhanced, and air permeability of the soil can be improved.

The invention belongs to the technical field of baking edible oil, and particularly relates to a novel rice bran protein-based shortening substitute and application thereof in baked food. The preparation method comprises the following steps: by taking rice bran protein as a raw material, firstly, preparing a light-weight, high-porosity, degradable, green and environment-friendly rice bran protein porous material with high restorability and high grease adsorption through a foam template method, and secondly, adsorbing hot edible vegetable oil containing micromolecular gelators by utilizing the porous material. And cooling to obtain the edible rice bran protein-based multi-structured oleogel. The oil holding capacity, rheological property and crystal polymorphism of the prepared oleogel are similar to those of commercially available shortening, but trans fatty acid and saturated fatty acid of the oleogel are remarkably lower than those of the commercially available shortening, and the oleogel contains rice bran protein beneficial to health. The invention also discloses an application of the oleogel as a substitute for commercially available shortening. The method is simple in process, easy to operate and suitable for large-scale production, raw materials are natural, safe and non-toxic, good biocompatibility is achieved, and the method can be widely applied to the field of food processing.

The invention belongs to the field of organic solid waste utilization, and discloses a method for co-production of nitrogen-containing heterocyclic chemicals and nitrogen-doped carbon by nitrogen-richcatalytic pyrolysis. The method comprises the following steps: crushed organic solid waste sufficiently reacts with acid to remove alkali metals and other impurities in the organic solid waste; then,the solid carbon product forms a developed pore structure under the synergistic effect of sufficient ammonia gas and a small amount of activating agent, rich active nitrogen-containing functional groups are enriched, and the porous nitrogen-doped carbon material is obtained; meanwhile, a large number of nitrogen-containing intermediates are formed and react under the action of a molecular sieve catalyst to obtain a large number of nitrogen-containing heterocyclic chemicals. A small proportion of activating agent is introduced and cooperated with ammonia gas and the molecular sieve catalyst, conversion from organic solid waste to nitrogen-containing heterocyclic chemicals and porous nitrogen-doped carbon can be achieved, the preparation process is environmentally friendly, equipment corrosion is small, the selectivity of the nitrogen-containing heterocyclic chemicals is high, liquid-solid products are good in consideration and the utilization value of the organic solid waste is effectively improved.

The invention provides an ammonium humate organic fertilizer for improving the landscaping planting earth. The ammonium humate organic fertilizer comprises the following components in percentage by weight: 60%-70% of peat, 12%-16% of ammonium hydroxide, 5%-11% of urea, 7%-11% of diammonium hydrogen, 0.1%-0.3% of medium trace element and 5%-8% of an alkaline earth modifying agent, wherein the peat is meadow peat or woody peat which contains 40%-47% of humic acid; and the alkaline earth modifying agent consists of grass carbon and ferrous sulfate. The ammonium humate organic fertilizer has the beneficial effects that the physical and chemical properties of the landscaping planting earth can be improved, the environment is not polluted, the utilization rate of the fertilizer is increased, and the nutrient absorptivity of plants is improved, so that the ammonium humate organic fertilizer has a wide application value in the landscape industry.

Belonging to the technical field of soil ecological restoration, the invention provides a heavy metal adsorption and immobilization material, a preparation method and application thereof. The heavy metal adsorption and immobilization material is formed by bonding biomass charcoal with a chelation group, and the chelation group at least comprises one of amino, carboxyl or sulfydryl. The preparation method includes the steps of: acquisition of biomass charcoal; surface epoxidation of biomass charcoal to prepare modified biomass charcoal; and bonding of the modified biomass charcoal with the chelation group. The heavy metal adsorption and immobilization material can be applied to remediation of heavy metal contaminated soil, and the synergistic effect of biomass charcoal's adsorption and the chelating agent's chelation is utilized to immobilize heavy metal ions in soil, the content of free heavy metal ions in the soil can be effectively reduced, and also the heavy metal ions can exist stably after being immobilized, and hardly diffuse in the water migration process, thus lowering the secondary pollution risk of heavy metal ions. At the same time, the heavy metal adsorption and immobilization material is conducive to improving the soil structure and maintaining the soil moisture and nutrients.

The invention discloses a microbial agent for improving continuous cropping obstacles in a corn planting field through a biological method and a preparation method of the microbial agent. The microbial agent for improving the continuous cropping obstacles in the corn planting field through the biological method comprises the following microbial strains: bacillus laterosporus C1TB-11, bacillus pumilus C1TB-17, pseudomonas putida C1GB-15 and penicillium griseofulvum C1TF-24. The bacillus laterosporus, the bacillus pumilus, the pseudomonas putida and the penicillium griseofulvum are mixed according to the volume ratio of 1: 1: 1: 1; the preparation method comprises the following steps: step 1, preparing microbial slant seeds; step 2, culturing microbial liquid seeds; 3, strain liquid amplification culture; and 4, preparing the microbial agent. By applying the compound microbial agent and adding beneficial microbial florae into continuous cropping soil, the soil microbial community structure is improved, continuous cropping obstacles of the corn are relieved, the soil-borne disease resistance is enhanced, and therefore the purpose of improving the yield and quality of the corn is achieved.

The invention relates to an organic biological composite fertilizer and a preparation method thereof. The composite fertilizer contains ammonium phosphate, K2O (KCl, K2SO4 or K2CO3), peat and a microbial fertilizer. The composite fertilizer has the advantages of large content of humic acid, change of the physical and chemical performances of soil, changing of the soil hardening state of land, increase of the soil fertility, good stress resistance and good yield increasing effect.

The invention belongs to the technical field of plantation of flue-cured tobacco, and relates to a method for improving the quality of flue-cured tobacco through crop rotation. Specifically, the invention relates to a method of crop rotation of the flue-cured tobacco and tumorous stem mustard. Through the crop rotation of the flue-cured tobacco and the tumorous stem mustard, the occurrence of diseases and pests can be eliminated fundamentally, the utilization rate of land can be improved, the cost of tobacco planting can be saved, the quality of soil can be improved, and the yield of tobacco leaves can be improved.

The invention discloses a method for improving a walnut rhizosphere ecological environment in a stony desertification area. The method comprises the following steps that step 1, land modification is carried out; step 2, seedling selection and field planting are carried out; step 3, a mode is built; step 4, a water collecting funnel is built; and step 5, wormcast fertilization is carried out. The method for improving the walnut rhizosphere ecological environment in the stony desertification area is safe and reliable, crop waste is processed into earthworm feed, a large amount of wormcast is produced after earthworms eat the earthworm feed, chemical fertilizer is replaced with the wormcast, and the purposes of improving the physical and chemical properties of soil in the walnut rhizosphere in the stony desertification area, promoting crop root development and reducing water and soil loss are achieved. According to the method for improving the walnut rhizosphere ecological environment in the stony desertification area, the pollution load of agricultural waste to the environment is relieved, weight and pesticide are reduced, the wormcast which is a novel biological organic fertilizer containing a large number of nutrient elements and organic matter is used, the crop yield is increased, the quality of agricultural products is improved, continuous cropping obstacles of crops can be relieved, and soil-borne diseases are controlled.