596results about How to "Sufficient raw materials" patented technology

The invention relates to a soil improvement technology and an environment protection technology and particularly discloses a biochar mixing type protected horticultural vegetable field soil heavy metal passivant and a preparation method thereof. The soil heavy metal passivant comprises the following components in percentage by weight: 50 to 60 percent of biochar, 5 to 10 percent of medical stone powder, 5 to 10 percent of diatomite powder, 10 to 20 percent of lignite and 10 to 20 percent of coal ash. The preparation method for the soil heavy metal passivant comprises the following steps of: mixing the medical stone powder which is screened by an 80-mesh sieve, the diatomite powder which is screened by an 80-mesh sieve, the lignite, and the coal ash which is screened by an 80-mesh sieve, uniformly stirring, mixing with biochar which is screened by a 20-mesh sieve, fully stirring, and mixing uniformly to prepare the soil heavy metal passivant. The soil heavy metal passivant is easy to prepare; and the effects of passivating the protected horticultural vegetable field soil heavy metal, and reducing the content of recyclable heavy metal of plant in soil can be achieved under the synergistic effects of all components.

The invention relates to the soil improvement technology and the environment protection technology, in particular to a soil heavy metal passivant for the facilities vegetable field and a preparation method thereof for solving the problem that due to solid heavy metal pollution, the sustainable utilization of the facilities vegetable field is influenced. The soil heavy metal passivant for the facilities vegetable field comprises the following components in percentage by weight: 10 to 30 percent of medical stone powder, 10 to 30 percent of diatomite in powder, 10 to 20 percent of zeolite powder, 20 to 30 percent of lignite and 25 to 35 percent of fly ash. The preparation method for the soil heavy metal passivant comprises the following steps: mixing the medical stone powder passing through a 80-mesh screen, the diatomite in powder passing through a 80-mesh screen and the zeolite powder passing through a 80-mesh screen with lignite and uniformly stirring the mixture; and mixing the mixture with the fly ash passing through a 80-mesh screen, sufficiently stirring the mixture and after mixing uniformly, preparing the soil heavy metal passivant. The invention has simple preparation method and achieves the effects of passivating the soil heavy metals in the facilities vegetable filed and reducing the content of heavy metals in the soil which can be utilized by the crops by synergistic effect of the components.

The invention discloses an anode material for a lithium-ion battery and a preparation method of the anode material. The material is structurally characterized by adopting a core-shell structure and comprises an active and stable core formed by uniformly dispersing submicron-grade multi-scale tungsten carbide particles in an amorphous silicon substrate and a highly-conductive shell coated with a thin-layer graphene sheet formed by stripping. The preparation method is a two-step ball-milling method, during ball milling in the first step, the tungsten carbide particles can fully play a milling assisting role to efficiently refine original coarse silicon; during ball milling in the second step, the graphene sheet formed by stripping ordinary graphite can stabilize the structure and improve the electrical conductivity. Therefore, the prepared anode material for the lithium-ion battery has the advantages of stable structure, good cycle performance, excellent rate performance and the like.

The present invention relates to a polymer composite material with bidirectional shape memory effect and its preparation method. It is characterized by that said polymer composite material is made up by using polymer material with shape memory function and elastric material which can be actively reverted through a certain superimposing and binding process. Said polymer composite material has bidirectional shape memory effect. The shape memory reversion temperature range of said polymer composite material is large, the different shape memory polymers can be selected and used, the bidirectionalshape memory function with different shape reversion temperature can be obtained. The bidirectional shape memory property also can be obtained by regulating thickness of shape memory polymer and thickness of elastic material. Besides, said polymer composite material has good corrosion resistance, electroinsulating property and heat-insulating effect.

The invention relates to a soil fertilizer technique, in particular to a long-acting slow-release corn special blending fertilizer and a preparation method thereof to solve the problems that the nitrogen and phosphorus utilization rate of the fertilizer is low, the after manuring in the corn growth period consumes a large amount of time and labor and the like. The blending fertilizer comprises the following components in percentage by weight: 45 to 58 percent of nitrogen fertilizer, 16 to 25 percent of phosphate fertilizer, 16 to 25 percent of potassium fertilizer, and 4 to 14 percent of nitrogen phosphorus fertilizer synergist; and nutritive substances of the blending fertilizer comprise the following components in percentage by weight: 24 to 28 percent of pure nitrogen, 8 to 12 percent of diphosphorus pentanitride, and 10 to 15 percent of potassium oxide. The preparation method comprises the following steps: adding the granular nitrogen fertilizer, phosphate fertilizer, potassium fertilizer and the nitrogen phosphorus fertilizer synergist into a mixing and stirring machine according to the weight ratio, mixing and stirring the materials evenly to obtain the long-acting slow-release corn special blending fertilizer, and performing sub-package to obtain the finished product; or selecting a urease inhibitor, a nitrification inhibitor and a phosphate fertilizer synergist to granulate by mixing so as to obtain the granular nitrogen phosphorus fertilizer synergist, and then blending the granular nitrogen phosphorus fertilizer synergist with the granular nitrogen fertilizer, phosphate fertilizer and potassium fertilizer to obtain the finished product. The long-acting slow-release corn special blending fertilizer and the preparation method have simple process and easy implementation, are suitable for one-step basal application without after manuring for corn production in the Northeast, and reduce the usage amount by 10 to 20 percent without reducing the yield.

The invention discloses a method for preparing activated carbon by utilizing camellia oleifera shells. The method comprises the following steps: screening the camellia oleifera shells to remove impurities; mixing and soaking the shell particles and a certain proportion of activated agent; then firstly carbonizing, activating through secondary heating; and sequentially scouring, washing, drying and pelletizing the activated materials to obtain activated carbon. The activated carbon is prepared by the camellia oleifera shells which are obtained from leftovers in processing of camellia oleifera, thus source is sufficient; and the activated carbon is prepared by taking the camellia oleifera shells as raw materials and combining physical and chemical methods, is simple in process, good in stability, less in pollution, easy to regenerate, low in production cost, large in specific surface area and good in adsorptive property.

The invention discloses an industrial production method of hydrolyzed wheat protein for feeding, belonging to the technical field of feed additive production. In the method, through the method of synergy of multiple enzymes and combined treatment of multiple steps, the hydrolyzed wheat protein for feeding is prepared by taking wheat gluten meal and water with weight ratio of 1:10-1:2 and adding compound enzyme, ensuring the mass percent concentration of the compound enzyme in the solution is 0.2-1.4%, hydrolyzing the mixture for 1-13h under the conditions that the temperature is 30-70 DEG C and pH value is 5.0-10.0, then carrying out such processes as filtering, decoloring and drying, etc. Compared with the traditional methods, the method of the invention features mild hydrolysis conditions, sanitation and safety and maintains the original nutritive composition of amino acid free of loss; the hydrolysate is low in salt content, mellow in mouth feel and high in yield which is up to 98%. The tests that the hydrolyzed wheat protein is added in the feed for suckling pigs, chicks, calves, aquaculture and the like to be used show that the hydrolyzed wheat protein has the advantages and evident effects of improving daily feed intake, reducing diarrhea rate, enhancing immunity, slowing weanling stress, improving growth performance and the like.

The invention relates to alkynyl diol ethyl oxide polyether or alkynyl diol propyl oxide polyether co-modified polysiloxane, wherein the molecular structure of the alkynyl diol ethyl oxide polyether or alkynyl diol propyl oxide polyether co-modified polysiloxane is shown in the specification. The alkynyl diol ethyl oxide polyether or alkynyl diol propyl oxide polyether co-modified polysiloxane provided by the invention has the advantages of low surface tension, efficient wetting power, low foam / foam inhibition performance and stronger emulsifying property.

The invention discloses a long-acting synergistic controlled release fertilizer, which mainly comprises a nitrogen fertilizer, a phosphate fertilizer, a potash fertilizer, a biological inoculant, a urease inhibitor, a nitrification inhibitor and poly(aspartic acid). Specifically, in terms of weight percentage, the nitrogen fertilizer accounts for 10-60, the phosphate fertilizer accounts for 10-60, the potash fertilizer accounts for 10-60, an organic biological multielement compound agent accounts for 5-50, wherein the biological inoculant accounts for 6-8, a liquid binder accounts for 3-5, a filling material accounts for 10-20, livestock and poultry manure or humic acid accounts for 50-80, the urease inhibitor accounts for 0.1-0.15, the nitrification inhibitor accounts for 0.15-0.2, and the poly(aspartic acid) accounts for 6-20. The invention aims to overcome the defects in the prior art, ordinary fertilizers have the disadvantages of short effective period, unreasonable nutrient proportion, unscientific and unbalanced nutrient supply, especially the nitrogen fertilizer conflict is more prominent. The long-acting synergistic controlled release fertilizer is released along with the absorption rate of crops, fertilizer loss can be effectively reduced, and saving, yield increase, synergia, convenience, environmental protection and multiple objectives can be achieved, and agricultural sustainable development can be realized. The long-acting synergistic controlled release fertilizer is simple and feasible in application, and is suitable for China's actual conditions, thus being an inevitable course for the world fertilizer development in the 21st century.

The invention relates to waste processing, in particular to a method and a device for purifying waste liquid from pig cultivation, which solves the problem that the waste liquid of pig cultivation pollutes the environment. After solid and liquid waste generated by pig cultivation is separated, absorption, filtration and automatic purification technology is used for enabling the separated waste liquid from pig cultivation to enter into a first absorption pool for first absorption and filtration, then filtrated liquid enters an automatic purification depositing pool for purification depositing processing and then a second absorption pool for second absorption and filtration processing, and lastly, the processed waste water reaches the standard and is discharged. The device for purifying waste liquid from pig cultivation comprises a first absorption and filtration pool, an automatic purification depositing pool and a second absorption and filtration pool which are sequentially communicated, wherein filtration material is arranged in the absorption and filtration pools, and the filtration material is only one or a plurality of layers of furnace slag, crop stems, zeolite and gravel. The invention has simple technology, low cost and easy application, and is suitable for the purification and the standard discharge of the waste liquid from family type pig farms or small pig farms.

The fruity organe vinegar is produced with fresh and ripe orange as main material and through peeling, squeezing to obtain juice, centrifugal separation, eliminating bitter, low temperature alcohol fermentation, acetic acid fermentation, aging, fitlering and sterilizing. It is superior to grain vinegar in components and nutritive value, has the special flavor and color of orange maintained.

The invention relates to a blue algae water bloom active carbon and a preparation method thereof. The active carbon is produced by drying the blue algae water bloom alga mud at the hign temperature of 250 to 600 DEG C for 0.5 to 2 hours. The invention starts a new trail for utilizing the blue algae water bloom as a resource. The method can effectively produce active carbon with blue algae water bloom, which can not only save resources but also is favorable to protect the ecological environment and finally the purpose of treating pollution and reducing the pollution treatment cost can be realized.

The invention relates to a soil modifier, specifically, relating to a mixed soil modifier with dejecta of domestic animal and poultry and phosphogypsum as main raw materials and preparation method thereof. The soil modifier comprises dejecta of domestic animal and poultry 50% to 65%, phosphogypsum 25% to 45%, and zeolite 5% to 10% according to dry weight percent, comprising steps of: mixing said raw materials in proportion, paying them on ground, drying them in shade, then processing air-dry treatment, to obtain finished product; for manufactory production, drying mixture after air-dry treatment, agitating it evenly, selecting it by sieve, packaging it to obtain the finished product. The preparation of the invention is simple with low finished product cost, adaptable to saline soil modification, and modification and repair of magnesite dust-polluted soil.

The protein fiber spinning solution is produced by using animal and plant material and through the processes of acid pickling, extraction, pH regulation to obtain protein curd, dissolving with cosolvent to form water solution, mixing, modifying side chain of amino acid with modifying agent, copolymerization with coloring monomer, mixing with PVA water solution and addition crosslinking agent to regualte viscosity. It may be used in spinning fiber with the same strengt has chemical fiber, the skin friendship, air penetrability and hygroscopicity the same as natural protein fiber, and improved hot water resistance, shrinkage and color.

The invention relates to a preparation method of an isostatic pressing microcrystalline graphite product. The isostatic pressing microcrystalline graphite product comprises the following components by weight: 35-50% of microcrystalline graphite, 10-25% of artificial graphite, 10-25% of electrically calcined pitch coke and 30-40% of modified coal tar pitch. The isostatic pressing microcrystalline graphite product is obtained by the steps of pretreating raw material, burdening, kneading, rolling, fragmenting and pulverizing, preforming, performing isostatic compaction, roasting, dipping, performing heat treatment under high temperature and the like. The unique part in the method is the usage of the natural microcrystalline graphite as a main aggregate, the resource can be used in a reasonable mode, high temperature graphitization heat treatment at more than 2500 DEG C on the product is not required, so that preparation period can be shortened, and the energy consumption is greatly reduced. The prepared isostatic pressing microcrystalline graphite has the advantages of high volume density, mechanical strength, low resistivity, fine and compact structure, and isotropy.

The invention discloses a preparation method of acid-modified superfine shell powder. The preparation method is characterized by comprising the following steps: 1) removing the cuticle of a shell raw material, and then adding water accounting for 20-80% of the weight of the shell subjected to cuticle removal, and stirring for 6 to 48 h to prepare slurry; 2), adding acid liquor accounting for 5-25% of the weight of the shell subjected to cuticle removal in the slurry, and stirring to obtain acid-modified shell micro powder slurry; 3), carrying out washing, filter pressing, drying and grinding on the acid-modified shell micro powder slurry to obtain modified shell powder with the particle size of 0.5-5 microns; and 4), adding purified water in the modified shell powder obtained from the steps 3), mixing into paste, and then adopting a planetary ball milling and grinding method to process, dry and crush to obtain the superfine shell powder with the particle size of 0.01-5 microns. The invention further discloses acid-modified superfine shell powder prepared by the method. The preparation method and the product are simple in process, small in equipment investment and low in energy consumption. Besides, the prepared modified shell micro powder is good in surface activity.

The invention belongs to the technical field of agriculture, and particular relates to a water-culturing rice seedling raising nutrient solution and a preparation method thereof. The nutrient solution contains elements B, Cu, Zn, Mn, Mo, Si, Fe, K, Ca, Mg, P and N in the ratio of (43.6-52.6):(1.2-2.6):(4.4-6.9):(41.5-55.6):(0.3-2.0):(1670-1990):(1200-1500):(3400-5900):(2160-3260):(480-790):(220-920):(5600-17500); and the pH value of the nutrient solution is 4.5-5.5. A water-culturing rice seedling raising nutrient solution formula and the preparation method are easy, raw materials are sufficient, implementation is easy, and the problem of nutrient supply to industrial production rice seedlings with a water culturing method is solved.

The invention provides a method for preparing multifunctional biological organic fertilizer and the technical scheme of the invention comprises fermenting bacillus subtilis, bacillus megaterium and bacillus mucilagimosus individually. The fermented bacterial liquid is adsorbed by rice husk separately. Three adsorbed single microbial inoculum is blended and grinded according to the proportion of 1:0.8-1.2:1.5-2.5 to obtain the compound microbial inoculum. The hydrolytic slag which is obtained in the production procedure of gourment powder after treatment is charged by trace element raw material and 4%-7% compound microbial inoculum with relative to total weight to obtain the needed compound microbe fertilizer. The method is simple in production technique, which facilitates to do batch production.

The invention relates to an organic fertilizer, in particular to a chicken manure deodorizing and nitrogen preserving organic fertilizer and a preparation method thereof. Calcium cyanamide, natural zeolite, organic materials are taken as additive materials added to fresh chicken manure for stacking and fermentation treatment so as to prepare the organic fertilizer. The preparation method is characterized by simple process and low cost, and solves the problems of loss of nitrogen nutrients in wastes and environmental pollution in raising chicken. The components of the organic fertilizer based on weight ratio are 10-20% of the organic materials, 2-3% of the calcium cyanamide, 3-5% of the natural zeolite, and 73-84% of the chicken manure on dry basis. The preparation method is as follows: the organic materials, the chicken manure, the calcium cyanamide and the natural zeolite are stacked in layers according to a certain proportion; the outer layer is sprinkled with the organic materials, after 7-10 days of fermentation sealed by plastic cloth, turnover is done mechanically or artificially, then the sealed fermentation is carried out for another 7-10 days by the plastic cloth, and the organic fertilizer is obtained after being dried in the sun. The organic fertilizer has the advantages of reasonable formula, good nitrogen preserving and deodorizing effects, and easy application, thus being suitable for being used as a fertilizer for producing pollution-free agricultural products.

The invention relates to an agricultural waste recycling technology and a soil fertilizer technology, in particular to a blended facility vegetable field soil conditioner taking charcoal as a matrix and a preparation method thereof. The blended facility vegetable field soil conditioner comprises the following components in percentage by weight: 60 to 80 percent of charcoal, 5 to 15 percent of medical stone powder, 5 to 15 percent of zeolite powder and 5 to 15 percent of lime nitrogen. The method for preparing the soil conditioner comprises the following steps of: mixing and stirring the medical stone powder which is sieved with a 60-mesh sieve, the zeolite powder which is sieved with a 60-mesh sieve and the granular lime nitrogen uniformly, mixing the mixture with the charcoal, and stirring uniformly to prepare the soil conditioner. The method is simple and pollution-free, the volume weight of soil can be reduced, the buffer performance of the soil can be improved, the utilization rate of fertilizer nitrogen and phosphorus can be improved, and an effect of preventing and controlling soil-borne diseases is achieved.

The invention discloses a method for synthesis of a carbon nanostructure material by using an organic material. According to the method, a solid organic waste material is subjected to thermal cracking to obtain one or more gaseous carbon-containing monomers of the organic waste material; combustion-supporting gas is added to carry out complete mixing combustion to generate mixed gas containing carbon dioxide, carbon monoxide and hydrogen; after a high temperature filtration treatment is performed, the treated mixed gas is introduced into a tube type furnace to be converted into the carbon nanostructure material, and the high heat value combustible gas generated during the reaction process is collected as a by-product. With the technical scheme, the thermal cracking treatment is adopted to decompose the solid organic waste with the organic polymer form into the solid organic waste with the organic monomer form, such that the carbon source in the organic monomer is synthesized into the carbon nanostructure material under the effect of the catalyst; the preparation method is simple, the synthetic steps and the process are easy to control, the raw materials adopted by synthesis are sufficient, and the cost is low; concurrently the by-product generated during the synthesis process is the combustible gas with the high heat value, and the combustible gas can be recovered as the supplement for energy consumption during the reaction process.

The invention relates to a method for producing a polymerization cementitious material through comprehensive utilization of red mud and bauxite tailing resources. The method is characterized in that the production process adopts red mud and bauxite tailings as main raw materials, which are subjected to drying, batching, high temperature activation, admixture adding, ball milling and other processes in order so as to obtain a cementitious material. After encountering water, the material undergoes a polymerization reaction and form strength. Tests show that the obtained product has the characteristics of high strength, no alkali-aggregate effect, low cost and good cohesiveness, etc. The method provided in the invention can effectively solve the environmental pollution and resource problems of red mud and bauxite.

The invention discloses a silicon substrate nano-structure for a solar cell and a preparing method thereof, and the method includes: cleaning silicon chips; spin-coating and covering single layer polystyrene (PS) spheres on the surface of the silicon chips; etching the PS spheres and reducing the sizes of the PS spheres; depositing a metal film layer on the surface of the silicon chip surface and forming metal mask; removing residual PS spheres on the silicon chip surface and remaining for the left metal masking layer; forming the silicon substrate nano-structure by using a dry etching or wet etching method; treating the silicon chips by heated concentrated acid and removing the residual metal and finishing the preparation of the silicon substrate nano-structure. According to the silicon substrate nano-structure for the solar cell and the preparing method thereof, PS spheres masking and metal film growth are utilized and the dry etching method and the wet etching method are combined so that a preparing method of silicon substrate nano-structure for the solar cell is provided. According to the silicon substrate nano-structure, the reflectivity is low, the light trapping ability is of high efficient, the light absorption of the solar cell is enhanced and the efficiency of the solar cell is improved.

The invention relates to an organic-inorganic compound fertilizer which is produced by fermented material of traditional Chinese medicine decoction dregs and a method of the organic-inorganic compound fertilizer. The traditional Chinese medicine decoction dregs are taken as the main material; crude fiber degradation bacteria, turf or other plant fibers are added properly after drying and wetting processing for mixed retting fermentation to obtain semi-finished products of organic fertilizer of fermented material of traditional Chinese decoction dregs; monoammonium phosphate, ammonium sulfate, potassium chloride or potassium sulfate are added according to the needed content of nitrogen, phosphorus and potassium; and the materials are mixed evenly, pelleted and dried to obtain the finished product fertilizer. The fertilizer contains organic materials and inorganic materials of nitrogen, phosphorus and potassium and the content of the organic materials is more than 20%; nitrogen, phosphorus and potassium are rich in nutrient and the total nutrient content is more than 15%, so that the products are characterized by comprehensive nutritional ingredient, good effect, no pollution and the like. Fermented material of traditional Chinese medicine decoction dregs is adopted to produce the organic-inorganic compound fertilizer provided by the invention, so that the pollution to the environment by the decoction dregs is eliminated and the waste is recycled to realize the benefit of comprehensive development of environment friendliness, energy and fertilizer.

The edible konjak flour composite food packaging film is formed from konjak flour, alginate, plasticizer and solidifying agent, and its production method includes the following steps: adding water into the mixture of konjak flour and alginate, mixing them, adding plasticizer to obtain colloidal paste liquor, adopting doctor-blade casting process tof rom film, then cross-linking, solidifying, dewatering and drying so as to obtain the invented required food packaging film with high transparency, high strength, water-proofing property and oil-fat resistance. Said packaging film has rich nutrients, and can be eaten.

The invention discloses a method for preparing low sugar edible fungi mushroom, belonging to the technical field of food processing. The method comprises the steps: (1) selecting and cleaning raw materials; (2) bleaching the raw materials in soup and dicing mushroom; (3) refining sugar liquor and jelly fungi boiled liquid or ultrafine powder; (4) soaking and co-boiling sugar liquor; (5) draining and drying; and (6) packaging, etc.. According to the method, the boiled liquid or the ultrafine powder prepared by making use of jelly fungi mushrooms like white fungus, golden fungus and the like, is used as filling agent by taking the place of conventional animal glue or vegetable glue, which not only achieves the purpose of full and soft low sugar mushroom tissue, but also prominently reduces the cost of the filling agent by more than half and improves nutrition and health-care functions of the low sugar edible fungi mushroom. The preparation method can be popularized and applied to food processing factories.

The invention relates to a biological organic fertilizer produced from fermented traditional Chinese medicine residue and a method for producing the fertilizer. The method comprises the following steps of: carrying out dry-wet treatment on the traditional Chinese medicine residue serving as a main raw material; then adding crude fiber degrading bacteria, water hyacinth, platycodon grandiflorum and other plant fiber or turf for mixed stack retting and fermentation, so as to prepare semi-finished fermented traditional Chinese medicine residue organic fertilizer; based on a dry material, preparing a finished product from 85-90wt% of semi-finished organic fertilizer and 10-15wt% of microbial active bacteria. The product not only contains organic materials and active effective bacteria, but also contains trace element inorganic components, wherein the content of the organic materials accounts for more than 25%; and the product has the characteristics of no pollution, no public hazard, scientific formula, rich nutrient, high efficiency and the like. According to the invention, the problem that medicine residue pollutes environment is solved, waste is turned into wealth, good benefits of environmental protection and comprehensive development and utilization of energy sources and fertilizers are realized, and the process technology has innovation, scientificity and advancement.

The invention relates to an extracting and refining method of water soluble polysaccharide in berry of nitraria tangutorum bobr, in particular to a method extracting the water soluble polysaccharide from the berry of nitraria tangutorum bobr, which is characterized by comprising the following steps: firstly, refluxing and extracting the berry of nitraria tangutorum bobr by using ethanol with concentration of 70-90 percent at 40-80 DEG C, and filtering the refluxed and extracted berry of nitraria tangutorum bobr to obtain filter residue; secondly, refluxing and extracting the filter residue by using distilled water at 60-90 DEG C, and filtering the refluxed and extracted filter residue to obtain extracting solution; thirdly, concentrating the extracting solution to be 1 / 10-1 / 5 of primary volume, adding 3-5 times of ethanol with concentration of 95 percent, settling for 12-24h at 4 DEG C, eccentrically eliminating supernatant fluid and getting precipitation, and cooling and drying the precipitation to obtain nitraria tangutorum bobr polysaccharide powder; fourthly, adding the distilled water to dissolve the nitraria tangutorum bobr polysaccharide powder, removing protein for 8-13 times by using a Sevage method; fifthly, leading the polysaccharide removed protein to be processed by macroporous resin column, eluting by using distilled water until eluent is air color and transparent; sixthly, collecting the eluent, concentrating, dialyzing, depositing in alcohol, getting precipitation, and cooling and drying the precipitation to obtain polysaccharide powder.

The invention relates to a soil fertilizer technology and a crop disease and insect pest control technology, in particular to a disease-resistant synergy-type conditioner of protected horticultural vegetable field soil and a preparation method thereof, solving the problem that sustainable utilization of protected horticultural vegetable field is affected by the lowering soil quality. The soil conditioner comprises the following components in percentage by weight: 30-50% of medical stone powder, 20-30% of lime nitrogen, 20-30% of lignite, 5-10% of zeolite power and 5-10% of dicyandiamide. The preparation method of the soil conditioner comprises the following steps: medical stone powder screened by a 60-mesh screen, zeolite powder screened by a 60-mesh screen, the dicyandiamide and lignite are mixed and evenly stirred; then the mixture and granular lime nitrogen are mixed and evenly stirred; and after being completely mixed, the mixture is prepared into the soil conditioner. The preparation method of the invention is simple, has no pollution, can obviously improve fertilizer nitrogen and phosphorus utilization ratio of the protected horticultural vegetable field, effectively prevent and cure soil-borne diseases and has the effect on improving physical and chemical properties of soil at the same time.