78results about How to "High content of effective nutrients" patented technology

The invention relates to a fertilizer and soil conditioner, wherein the compound fertilizer contains a slow-release fertilizer additive adjustable based on soil and plant requirement, which comprises compound microorganism - organic carrier 2-50%, inorganic carrier 1-30%, ureacondensate 1-50%, primary nutrient 1-60%, trace element 1-10%, and inorganic soil conditioner 1-50%.

The invention relates to the field of nutrient solutions, in particular to a soilless vegetable culture nutrient solution and a preparation method. The soilless vegetable culture nutrient solution is prepared from sodium nitrate, urea phosphate, potassium nitrate, ammonium sulfate, magnesium chloride, Fe-EDTA, boric acid, manganese chloride, zinc sulfate, copper sulfate, sodium molybdate, mixed nitrogen-fixing bacterium solution and a nostoc extracting solution. The nutrient solution is simple and convenient to prepare, comprehensive in nutrient ingredient, high in biological activity and good in homogeneity, can decompose self-toxic materials produced by vegetables, remarkably improve the resistance, yield and the quality of the vegetables.

The invention discloses a complex microbial preparation for resisting replant obstacle. The complex microbial preparation comprises lactobacillus plantarum, bacillus megaterium, saccharomyces cerevisiae, streptomyces albus and rhodopseudomonas palustris, and is prepared by co-culturing the bacterial components by anaerobic and aerobic combined fermentation technology, wherein the complex microbial preparation comprises the following bacterial components in percentage by weight: 15 to 35 percent of lactobacillus plantarum, 5 to 25 percent of bacillus megaterium, 10 to 30 percent of saccharomyces cerevisiae, 15 to 30 percent of streptomyces albus and 10 to 25 percent of rhodopseudomonas palustris.

The invention discloses a slow release fertilizer used for rice planting. The fertilizer is prepared from urea, monoammonium phosphate, potassium chloride, ammonium chloride, diammonium phosphate, calcium triple superphosphate, zinc sulfate, ammonium molybdate, ammonium nitrate complex, gamma-polyglutamic acid, attapulgite, modified sepiolite powder, kaolin powder, talcum powder, stannous chloride, sodium bisulfite, boric acid, oxalic acid, cow dung, soybean meal, furfural residues, corn straw, rape-seed cakes, bagasse, fly ash, medical stone, humic acid, EM strain, hydroxymethyl cellulose and modified sustained-release preparation. The invention further provides a preparing method of the slow release fertilizer used for rice planting. The slow release fertilizer used for rice planting has excellent slow release performance, can provide rich nutrient substances, promote the growth of the rice, increase the yield of the rice, and improve the quality of the rice.

The invention discloses an immobilized Bacillus having phosphate dissolving and heavy metal passivation functions and a preparation method and an application thereof, which belong to the technical field of cadmium pollution soil biological restoration. The immobilized Bacillus comprises biological carbon and Bacillus cereus B19, can be used for restoring the soil with severe cadmium pollution, and has better restoration effect. The composite microbe fertilizer contains the immobilized Bacillus, an organic fertilizer and an inorganic nutrient having the phosphate dissolving and heavy metal passivation functions. The composite microbe fertilizer has the advantages that cost is low, soil available nutrient content is increased, yield increase is achieved, the soil with cadmium pollution is effectively repaired, introduction of heavy metal cadmium in human body with crops can be effectively controlled, agricultural product safety is guaranteed; in addition, the composite microbe fertilizer cannot change a farmland utilization mode without secondary pollution, is conveniently used, and is economic and feasible.

The invention relates to a double cropping rice nitrogen-saving high-yield production method. A double cropping rice planting region is selected; 15 to 30 days before late rice is harvested, astragalus sinicus planting is carried out; after the late rice is harvested, ditching is carried out according to an astragalus sinicus planting technology; 30 to 50kg of calcium magnesium phosphate fertilizer is applied per mu; 1 to 2kg of potassium chloride used as a base fertilizer is applied per mu; 10 to 15 days before early rice is transplanted, dry tillage and plowing pressing are carried out; land preparation is carried out according to the early rice planting requirements; azolla is bred; and after shoal water of field water, which has a height of 1.5 to 3.5cm, is kept for 8 to 10 days, the base fertilizer is applied to carry out early rice transplanting. During growth of the early rice and the late rice, duckweed utilization is naturally carried out; before the late rice is transplanted, a sustained-release nitrogen fertilizer is applied in one step as the base fertilizer; and on mid-to-late September in the next year, circulation operation of farming of planting astragalus sinicus green manure crops and the like is carried out. According to the invention, astragalus sinicus green manure is planted during the slack winter season of double cropping rice planting, the azolla is bred during growth of rice, the rice special sustained-release nitrogen fertilizer is applied to the late rice in a decreasing manner, the astragalus sinicus and the azolla are utilized to fix nitrogen and adsorb carbon, the land is maintained by the land, organic materials and an organic nitrogen source are provided for rice, nutritive substances in the double cropping rice field, which are easy to loss, are adsorbed, non-point source pollution is reduced and fertilizer supply and the fertilizer requirement of rice are coordinated and consistent.

The invention relates to a microwave processing method for chrysanthemum tea. The method comprises the following steps of: firstly, picking out satisfactory fresh chrysanthemums, and spreading the chrysanthemums at room temperature to air; performing microwave green removing, quickly reducing the temperature after green removing, and repeatedly kneading the chrysanthemums; and drying, screening, inspecting and packing the chrysanthemums to obtain the finished product of chrysanthemum tea. Compared with the traditional common green removing method through heating, distilling and drying, the method can effectively reserve important drugs and nutrition constituents such as volatile oil, flavone, chlorogenic acid, stevia, choline, amino acids, vitamins, abundant mineral elements and the like contained in the chrysanthemums, and the disinfection effect is improved.

The invention discloses a nutritional type high slow release performance compound fertilizer for planting rice. The nutritional type high slow release performance compound fertilizer comprises the raw materials of urea, monoammonium phosphate, potassium chloride, ammonium chloride, diammonium hydrogen phosphate, monocalcium phosphate, zinc sulfate, ammonium molybdate, magnesium sulfate, oyster shell powder, kieselguhr, modified sepiolite powder, kaolin powder, talcum powder, dolomite powder, zeolite powder, thiourea, dicyandiamide, chicken manure, cicada manure, wormcast, maize straw, rapeseed cake, bagasse, coal ash, perilla seed, humic acid, EM strain, lignin and a modified slow-release inhibitor. The invention further provides a preparation method of the nutritional type high slow release performance compound fertilizer. The prepared compound fertilizer has an excellent slow release performance, provides rich nutrient substances for the crop, promotes the growth of the crop, and improves the yield and the quality of the crop.

The invention discloses a high-slow release organic fertilizer for improving the micro-ecological structure of soil. The high-slow release organic fertilizer comprises raw materials, including urea, monoammonium phosphate, potassium fulvic acid, ammonium chloride, diammonium hydrogen phosphate, ferrous sulfate, zinc sulfate, ammonium molybdate, ammonium nitro complex, ammonium sulfate, vermiculite, lime powder, kaolin, sesame dregs, stannous chloride, sodium hydrogen sulfite, borax, silkworm excrement, cow dung, bean cakes, cottonseed meal, corn straw, rapeseed cakes, bagasse, oil cakes, EDTA (Ethylene Diamine Tetraacetic Acid) chelate, humic acid, EM (Effective Microorganisms) bacteria, amino acid chelate and a modified slow-release agent. The invention further discloses a preparation method of the high-slow release organic fertilizer for improving the micro-ecological structure of soil. The prepared high-slow release organic fertilizer has an excellent slow-release property, can provide rich nutrient substances for crops, can promote crop growth, and can increase the yield and improve the quality of the crops.

The invention aims at providing an energy-saving and environmentally-friendly efficient process for recycling of kitchen waste and garden waste by using low-grade energy. The process comprises the following steps: firstly preprocessing the waste; uniformly classifying the collected kitchen waste and smashing the kitchen waste; smashing the collected large-size garden waste by a large pulverizer, and putting the large-size garden waste and the other small-size garden waste into a small pulverizer to further smash; proportionally putting the preprocessed kitchen waste and the garden waste into a high-temperature aerobic fermentation reactor, wherein the feeding method is a sequencing batch feeding method, and the moisture content of the reacted product is less than or equal to 30%; sieving the processed initial product to filter out the non-treatable large-particle-size impurities, after mixing, processing the product into a planting soil raw material, a soil conditioner or an organic fertilizer according to different uses.

The invention discloses a method for reducing nitrogen loss during the composting process, which belongs to the field of aerobic composting of solid organic wastes. The method comprises the following steps: initially mixing livestock and poultry feces and accessories as raw materials for composting; adding sulfur powder and ferrous sulfate as mixed stacking materials, and using a stirring machinefor evenly stirring the mixed stacking materials; spraying thiobacillus thioparus bacterial liquid during the stirring process of the mixed stacking materials; and carrying out composting and fermentation treatment when water content of the mixed stacking materials is controlled between 50% and 55%. The method reduces the nitrogen loss during the high-temperature composting process of the livestock and poultry feces, reduces odor generated by volatilization of ammonia and hydrogen sulfide, increases content of available nutrients of a composting finished product, further obtains an organic-inorganic compound fertilizer containing an ammonium ferrous sulfate complex salt, improves the quality of agricultural composting and is conductive to absorption of crops.

The invention discloses a method for producing a silicon-calcium-magnesium fertilizer by using ironmaking blast furnace water-quenching slag as raw materials. The method comprises the following steps of: (1) drying the water-quenching slag generated in a blast furnace ironmaking process; (2) adding 5-10wt% of quicklime in the dried water-quenching slag and delivering into a ball milling machine for ball milling; (3) adding 5-10wt% of binders and 10-15wt% of water into powder obtained after the ball milling, and granulating on a fertilizer granulating machine; and (4) drying the granulated fertilizer. The silicon-calcium-magnesium fertilizer prepared in the invention is granular and is different from a powdery silicon fertilizer produced in the past, so that the silicon-calcium-magnesium fertilizer is more convenient to apply in the fields for framers, and damages to crops because the fertilizer is attached to crop blades in a use process are also avoided. In addition, after the quicklime is added, the produced silicon-calcium-magnesium fertilizer has higher available nutrient content and has the effective silicon content capable of reaching more than 30%.

The invention provides a streptomyces fradiae solid culture medium, a culture method and a preparation method of an agricultural microbial agent, belonging to the field of microbial fermentation. The streptomyces fradiae solid culture medium is prepared from the following components in parts by weight: 3-10 parts of corn flour, 3-18 parts of soybean meal, 18-45 parts of straw powder, 10-30 parts of turfy soil, 20-50 parts of phosphate tailing, 1-10 parts of calcium carbonate and 40-50 parts of nutrient solution. According to the invention, a solid fermentation culture medium is prepared through liquid-solid two-phase fermentation by adopting the solid culture medium and is used for producing an agricultural streptomyces fradiae agent. The fermentation culture medium for streptomyces fradiae spore production, provided by the invention, is suitable for the growth of streptomyces fradiae, and over 7.5*10<9> spores can be produced from each gram of fermentation raw material; and the germination rate of the prepared spore powder can reach 95%, the prepared agricultural microbial agent conforms to the national standard of agricultural microbial agent, and an obvious promotion effect is realized on the crop growth.

The invention discloses spray drying type fruit and vegetable powder and a preparing method thereof. The spray drying type fruit and vegetable powder is prepared by concentrated fruit and vegetable juice, maltodextrin, modified starch and water through a spray drying method; and has the characteristics of developmental nutrition and good taste. The invention also discloses the preparing method of the spray drying type fruit and vegetable powder. The method can overcome the defects existing in the prior art, the extraction rate of the fruit and vegetable powder can be effectively improved, the shape of a product is improved, and the nutrition of the fruit and vegetable cannot be damaged.

The invention discloses a nutritional additive for improving water and soil in the seedling stage. The nutritional additive is composed of the following components in parts by weight: 24 to 26 parts of bentonite, 21 to 22 parts of brown sugar, 4 to 5 parts of critic acid, 10 to 12 parts of phosphor nitrate fertilizer, 22 to 24 parts of soybean powder, 23 to 26 parts of rapeseed cake powder, 6 to 8 parts of ferrous sulfate, 42 to 45 parts of volcanic rock, 12 to 16 parts of aged tea, 63 to 67 parts of waste crop straws, 15 to 20 parts of threonine mother liquor, 3 to 5 parts of composite fungal hyphae, and a proper amount of water. The porous structure, which is obtained by mixing fungus dregs and bentonite, of the nutritional additive can improve the water content and water holding capacity of soil for breeding seedlings; moreover, the irrigation amount in the period stage can be reduced, the root will not be destroyed by excess water, the organic substances in the fungus dregs can cooperate with the chelating liquid to improve the pH value of soil, at the same time, the organic microbe number and organic substance content of soil are greatly increased, and thus the crop growth in the seedling stage can be promoted.

The present invention discloses one new kind of green organic agricultural fertilizer and its preparation process. The material for the green organic agricultural fertilizer consists of coal gangue powder 20-30 wt%, stalk powder 10 -20 wt%, urea 5-10 wt%, calcium superphosphate 20-30 wt%, monoammonium phosphate 5-10 wt%, potassium sulfate 5-10 wt%, bentonite 5-10 wt%, biofertilizer fermenting agent 5-8 wt%, and trace elements 2 wt%. The green organic agricultural fertilizer can strengthen plant resistance, reduce pesticide using amount to protect ecotope, raise yield and quality of agricultural product, prevent soil hardening and pollution and optimize plant growth conditions.

The invention discloses a sustained-release organic fertilizer taking tree branches as a main raw material. The sustained-release organic fertilizer is composed of, by volume, 55 to 75% of smashed tree branch, 25 to 45% of animal manure, 2 to 5% of phosphate fertilizer, 1 to 3% of iron fertilizer, and 0.15 to 0.3% of cellulose-decomposing bacteria. A preparation method of the sustained-release organic fertilizer comprises following steps: branch smashing; material blending; fertilizer heap volume controlling; heap turning; and maturity judgement. Raw material source is wide; the raw materials are free, and are easily available; the obtained sustained-release organic fertilizer is abundant in nutrients, is air permeable, possesses water absorption, is green and friendly to the environment, and is a best culturing soil. Application of the sustained-release organic fertilizer is capable of activating soil nutrients, improving soil texture, promoting absorption of plants on nutrients, reducing plant diseases and insect pests, and reducing pesticide residue.

The invention discloses a nutrition additive for improving soil physical and chemical properties during a seedling stage, which is prepared from the following raw materials in parts by weight: 19-21 days of medical stone, 17-19 parts of dried cow dung, 1-3 parts of methionine, 10-14 parts of nitrate of potash, 24-26 parts of water hyacinth powder, 22-24 parts of Chinese medicine residue, 4-5 parts of sodium borate, 12-16 parts of stale tea, 36-40 parts of volcanic, 21-25 parts of threonine mother liquor, 60-65 parts of waste crop straw, 6-7 parts of compound fungal hyphae and proper mount of water. Extracellular glycoprotein generated by macro fungi used in the nutrition additive under culturing of fermented products such as the cow dung and Chinese medicine residue and the fermented residue act together, so formation of a soil granular structure is promoted, stability of culturing soil during seedling stage is improved, soil porosity is increased by matching with mineral materials such as the medical stone, good soil texture and ventilation are ensured, and erosion to the soil by win and rain is resisted, and growth environment of crop during the seedling stage is stabilized.

The invention relates to a soil activator. The soil activator consists of the following components in parts by weight: 30-50 parts of farm manure, 10-30 parts of potassium fulvate, 2-10 parts of malic acid, 5-9 parts of phosphate-solubilizing inoculants, 3-4 parts of sulfur powder, 2-4 parts of potassium sulfate and 6-8 parts of ammonium nitro-humate. The soil activator provided by the invention can effectively reduce usage amount of a chemical fertilizer, so that soil pollution caused by fertilizer application is reduced, soil nutrients can be sufficiently activated, and aluminum toxicity in acidic soil is reduced, and therefore, the soil activator is a soil activator for improving activity of forest nutrients of oil tea in red soil areas, and has a wide application value.

The invention relates to a method for producing a special multi-element fertilizer for rice from kieselguhr, which belongs to the field of fertilizers and aims to solve the problems of low effective silicon content, poor particle disintegrability, low dispersity and poor water solubility of the existing silicon fertilizer. The method comprises the following steps: evenly mixing kieselguhr and hydroxide, enclosing, and performing hydration reaction in a container at a temperature of 100-1000 DEG C and a pressure of 1.0-1.5 kilograms for 48 hours, wherein the hydroxide includes calcium hydroxide and potassium hydroxide; cooling with more than 3 times of 7 DEG C water until the temperature is below 30 DEG C, precipitating, filtering, baking, and crushing to obtain a mixture; adding magnesium oxide power, wherein the magnesium oxide power accounts for 6% of the mixture; and evenly mixing to obtain the special multi-element fertilizer for rice. The invention is applied to rice planting. The content of silicon, magnesium, calcium and minor elements of the special multi-element fertilizer for rice is about 85%; and the porosity is up to 90%.

The invention discloses a nutritional additive used for increasing soil fertility and used in crop seedling period. The nutritional additive is prepared from following raw materials, by weight, 21 to 24 parts of fly ash, 3 to 4 parts of sodium sulfate, 22 to 25 parts of lobster powder, 24 to 26 parts of sugarbeet slag, 2 to 3 parts of tartaric acid, 16 to 20 parts of castor cake, 9 to 11 parts of diammonium phosphate, 58 to 64 parts of waste crop straw, 14 to 16 parts of threonine mother liquor, 22 to 26 parts of aged tea, 4 to 6 parts of composite fungal hyphae, 40 to 44 parts of volcanic rock, and an appropriate amount of water. The nutritional additive is different from common seedling fertilizers; soil aggregate structure is not destroyed by long term using, and accumulation of toxic matters is not caused by long term using; oppositely, adding of fungus and decomposed materials is capable of increasing beneficial microorganism and organic matter content of soil, realizing decomposition of inactive mineral nutrient composition in soil, reducing soil hardening, improving water and nutrient retention capacity in seedling period, improving soil productivity, and promoting growth of seedling crops.

The invention provides a water-saving and salt-controlling corn high-yield planting method. According to the shortage of water resources of semi-arid areas, in order to improve the moisture utilization efficiency, increase the edibility yield of grain crops, namely corns, and reduce salinization obstacles of salinized soil, the water-saving and salt-controlling corn high-yield planting method comprises the following steps: carrying out land leveling on the salinized soil, and mechanically ploughing and ridging; applying a chemical fertilizer to the salinized soil so as to increase effective nutrients of the soil; after applying the chemical fertilizer to the soil, sowing corn seeds and uniformly covering soil; after sowing the corn seeds and rolling, removing in-field plant residues and mechanically paving a drip irrigation belt and laminating a film; uncovering the film at a corn elongation stage and simultaneously finish drip irrigation and urea topdressing; when the soil is dry, carrying out quantitative drip irrigation at proper time so as to ensure the formation of corn yield; after the corns are harvested, crushing stubbles and returning the crushed stubbles back to a field in situ. The water-saving and salt-controlling corn high-yield planting method has the advantages that the moisture utilization efficiency is improved and the water resources are saved; the yield of the corns is increased; the nutritional quality is improved; soil fertility culture of the salinized soil is accelerated and the salinization degree of the soil is reduced.

The invention discloses a nutrition additive capable of improving a mineral nutrition state at a seedling raising stage. The nutrition additive capable of improving the mineral nutrition state at the seedling raising stage is prepared by using the following raw materials in parts by weight: 21-24 parts of plant ash, 19-21 parts of dry chicken manure, 5-6 parts of ferrous chloride, 1-2 parts of hydroxyethyl ethylenediamine triacetic acid, 8-10 parts of calcium ammonium nitrate, 24-26 parts of garden soil, 15-17 parts of edible acetic acid, 35-38 parts of volcanic rock, 65-75 parts of waste crop stalk, 4-6 parts of compound fungus hypha, 20-24 parts of threonine mother liquor, 18-22 parts of old tea leaf and a proper amount of water. The nutrition additive disclosed by the invention targets at crop seedlings, the mineral nutrition such as phosphorus, zinc and iron in soil can be dissolved and activated through reasonable raw material proportioning and preparation process, the absorption capacity is strong, the content of nutrition in the crop seedlings is improved, the mineral nutrition state of crops is improved, the growth of the seedlings is promoted and the field planting or grafting of the seedlings at a later stage is facilitated.

The invention relates to a method for producing a vegetable culture medium and a seedling culture medium by means of sophora alopecuroide.The method is characterized by comprising the steps of smashing sophora alopecuroide straw, wetting the smashed sophora alopecuroide straw with water, adding organic fertilizer, urea, bran and enzymic preparations, conducting even mixing, conducting heap fermentation at the ambient temperature of 10-40 DEG C till temperature in a heap reduces to the ambient temperature, and preparing the eco-organic type soilless culture medium by mixing the obtained sophora alopecuroide fermented feed, organic fertilizer, perlite and vermiculite according to the volume ratio of 6: (1-2) : (2-3) : (2-3), or preparing the eco-organic type seedling culture medium by mixing the fermented feed, perlite and vermiculite according to the volume ratio of 7 : (1-2) : (1-2).By the adoption of the method, the sophora alopecuroide resource is developed and utilized reasonably and enriches the medium selection type of greenhouse vegetable soilless culture and industrialized seedling production in the northwest district as the medium raw material of soilless vegetable culture.

An automatic integrated machine used for farming is disclosed. The machine includes a rack the upper end of which is provided with a transmission fertilization assembly and the lower end of which is provided with ditching hillers. The machine is scientific and reasonable in structure and safe and convenient to use, and is provided with the transmission fertilization assembly. Strength of caked fertilizer is destroyed through disturbing raised blocks so that the fertilizer in a zone collapses and falls down, the pressure of the fertilizer at the vertical direction is reduced, and caking causedby pressing is avoided. Through functions of tiller ground wheels, driven gears, transmission chains, fixed shafts and ground wheel supporting bars, the working frequency of a fertilizer discharging device is synchronized with the forwarding speed of the machine, the fertilizer discharging amount is stable and uniform, and the machine is more convenient to use. The ditching hillers are provided and crush soil to increase soil breathability. Through functions of soil covering discs disposed at two sides of the machine, weeds in soil are cut off through sharp edges of the discs, thus improving soil covering effects. The machine can achieve ditching, fertilization, soil covering and weed removing.

The invention belongs to the agricultural field and particularly relates to a cultivation method for dendrobium officinale. The cultivation method is characterized by comprising the first step of preparing of a seedling growing foundation, the second step of preparing of a seedling pot, the third step of field planting, the fourth step of later-period managing which includes watering, fertilizing, transplanting and conventional pest and disease preventing and the fifth step of harvesting. The cultivation method for the dendrobium officinale has the advantages that the survival rate of the dendrobium officinale is increased, the growth period of the dendrobium officinale is shortened, and the content of various nutrient components, dendrobine, polysaccharide and crude fibers of the dendrobium officinale planted through the method is high.

The invention provides a nitrogen and phosphorus synergist containing an earthworm hydrolysate, as well as a preparation method and application of the nitrogen and phosphorus synergist. The nitrogen and phosphorus synergist containing the earthworm hydrolysate comprises the following components in parts by weight: 15 to 20 parts of the earthworm hydrolysate, 4 to 5 parts of phytase, 15 to 20 partsof citric acid, 20 to 50 parts of potassium fulvic acid and 20 to 25 parts of asparaginic acid. The nitrogen and phosphorus synergist can be prepared into liquid, powder or particles according to requirements. The nitrogen and phosphorus synergist provided by the invention is used on agricultural production, and has the effects of improving the fertilizer efficiency of nitrogen and phosphorus fertilizers, reducing the application amount of nitrogen and phosphorus fertilizers and reducing the non-point source pollution of nitrogen and phosphorus. Greenhouse vegetable planting experiments showthat by using the nitrogen and phosphorus synergist provided by the invention, the greenhouse vegetable yield can be improved, the application of nitrogen and phosphorus fertilizers is reduced, the content of rapidly available phosphorus and rapidly available nitrogen in soil is increased. The soil quality further can be improved, and the soil-borne diseases are inhibited.

The invention provides a method for intercropping cultivation of acanthopanax sessiliflorus and ganoderma tsugae. The method comprises the following steps: cultivating acanthopanax sessiliflorus seedlings to form a plurality of planting rows; and when the height of the acanthopanax sessiliflorus reaches 0.8m-1.0m, cultivating ganoderma tsugae hyphal fragments among the plurality of planting rows. The method adopts the process for intercropping cultivation of the acanthopanax sessiliflorus and the ganoderma tsugae, and the utilization rate of lands is improved, so that previous lands which are only used for cultivating the acanthopanax sessiliflorus are used for cultivating the acanthopanax sessiliflorus and the ganoderma tsugae at the same time, and the utilization rate of the lands is improved by one time. With the adoption of the method provided by the invention, the space utilization efficiency also can be effectively improved; and the acanthopanax sessiliflorus mainly grows in middle and upper spaces, and the ganoderma tsugae grows in a lower space, so that the acanthopanax sessiliflorus and the ganoderma tsugae are not influenced by each other in space, the cultivation space is utilized very well, and the same space has more output. The ganoderma tsugae cultivated by the method has a proper growth speed, a moderate size and good quality, and the content of effective nutritional ingredients is high, so that the method is a cultivation mode capable of protecting forest resources and improving the quality of ganoderma.

The invention discloses a humic acid silicon-calcium type soil conditioning agent which comprises the following raw materials in parts by weight: 15-20 parts of humic acid, 18-22 parts of desulfurized gypsum, 3-3.5 parts of urea, 45-50 parts of a mineral silicon fertilizer, 0.3-0.5 part of amino acid, 4.5-5 parts of monoammonium phosphate, 3-3.5 parts of potassium chloride, 0.5-1 part of modified tapioca flour, 4-6 parts of attapulgite powder, 0.1-0.8 part of coated trace elements and 2-5 parts of a disintegrating agent. The invention further discloses a preparation method for the humic acid silicon-calcium type soil conditioning agent. By adopting the humic acid silicon-calcium type soil conditioning agent, the physical and chemical properties of saline alkali soil can be remarkably improved, crop growth can be improved, and a remarkable yield increase and quality improvement effect can be achieved.

The invention provides a biochar-based passivator for acidic soil remediation and a preparation method and an application method thereof. The biochar-based passivator is prepared from the following raw materials in parts by weight: 30-40 parts of charcoal, 10-20 parts of polyacrylamide, 10-20 parts of weathered coal, 10-20 parts of quick lime, 10-20 parts of bentonite, 5-10 parts of a camellia oleifera shell-hydrothermal carbon material and 5-10 parts of a magnesium silicate-hydrothermal carbon material. The biochar-based passivator can reduce the proportion of available mercury in soil, rich surface functional groups of the biochar-based passivator can adsorb soil heavy metals, the performance is stable, and the proportion of available mercury in soil can be effectively reduced. According to the biochar-based passivator, solid wastes such as the medicine residues, the camellia oleifera shells and the weathered coal are utilized, waste resource utilization is achieved, environmental protection is achieved, the production cost is reduced, and in addition, the biochar-based passivator does not cause soil degradation and environmental pollution and is ecological, safe and environmentally friendly.