44results about How to "Improve acidic soil" patented technology

The invention relates to a bone meal containing fertilizer and a preparation method therefor, and belongs to the technical field of fertilizer. The bone meal containing fertilizer is prepared from the following raw materials in parts by weight: 8-13 parts of bone meal, 6-10 parts of humic acid, 5-8 parts of distiller's grains, 7-12 parts of cassava residues, 5-10 parts of edible fungus residues, 47-55 parts of livestock manure, 3-5 parts of orange peel, 0.5-1 part of expanded vermiculite, 20-25 parts of crop stalk power, 3-5 parts of potassium chloride and 4-6 parts of superphosphate. The prepared fertilizer has comprehensive nutrients, and has stable and long-lasting fertilizer efficiency. By applying the fertilizer to crops, the crop production cost is reduced; the crops are promoted to mature early; the crop quality and the soil properties are improved; the formation of a soil granular structure is promoted; the soil is enabled to become soft; the soil structure is improved; and the soil fertility is also improved.

The invention discloses an ecology and environment-friendly soil improvement agent, which is prepared from the following raw materials in parts by weight: 15-25 parts of ore soil filler, 7-11 parts of coal gangue, 8-10 parts of straw, 10-20 parts of mixed grass meal, 3-5 parts of compound microorganisms, 5-7 parts of humate, 8-12 parts of excrement of livestock, 4-6 parts of desulfurized gypsum, 6-8 parts of bamboo charcoal powder and 5-7 parts of trace element additives. The soil improvement agent provided by the invention can effectively overcome the imbalance of nutrient elements in soil, improve soil fertility, loosen the soil, improve fertilizer efficiency, increase the contents of organic matters and nutrients, loosen hardened soil, accelerate a process of raw soil ripening and improve or recover land productivity; furthermore, industrial and agricultural wastes are used as most of the raw materials, so that the soil improvement agent is environmentally-friendly and safe; furthermore, the preparation method provided by the invention is lower in material cost, easy in obtaining of raw materials, simple in technology and easy to operate and in realization of industrial production, thus having higher practical value and a good application prospect.

Belonging to the technical field of acidified soil treatment and remediation, the invention provides a nutritional type tobacco field soil acidification modifier formula and a use method thereof. The nutritional type tobacco field soil acidification modifier formula is formed by mixing of dolomite powder, quicklime, biological black charcoal and silicon-calcium powder in proportion. The use method consists of: firstly before ridging of tobacco field farmland, employing 5-point mixing sampling, then analyzing the acid-base property of soil, if the acidification degree is high and improvement is needed, spreading the nutritional type soil acidification modifier on the tobacco field surface before farming and ridging of the tobacco field, and then ploughing the mixture evenly, with the specific dosage and continuous usage time being determined by the soil acidification severity. According to the nutritional type tobacco field soil acidification modifier formula and the use method provided by the invention, the design and formula are reasonable, the use method is appropriate, the tobacco field soil acidification status can be improved significantly, and the tobacco development and disease resistance can be promoted, and the yield and quality of cured tobacco are improved. In addition, the formula and the method also have good effects in improving the stress resistance and yield of afterculture paddy rice.

The invention discloses a management method for a eucalyptus tree man-made forest. The management method comprises the steps of: preparing a forest land: cutting up and retaining logging residues in the forest land, performing soil preparation, then digging plant holes, wherein during arrangement of the plant holes, every two narrow rows and one wide rows form a group, multiple same groups are arranged in sequence, and after the plant holes are dug, an organic fertilizer is applied to each plant hole; performing forestation: selecting clone eucalyptus trees and native tree species to perform forestation, planting the eucalyptus trees on the narrow rows, and planting the native tree species on the wide rows; performing tending after forestation; performing fertilization: and performing cutting and constructing a multiple layered forest. According to the management method disclosed by the invention, by virtue of the means of adjusting the structure of the tree species, improving fertilizing and tending manners and updating a cutting mode, the productivity and carbon stock of the eucalyptus tree man-made forest are significantly improved, the capabilities of emission reduction and sink increment of the eucalyptus tree man-made forest are increased, the economic benefit and ecological benefit of the eucalyptus tree man-made forest are improved, the forest land is fully utilized, water and soil losses and land capability decline are effectively prevented, and sustainable management of the eucalyptus tree man-made forest is realized.

The invention discloses a silkworm excrement and shell ecologic acidic soil conditioner and a preparation method thereof, and belongs to the technical field of agriculture soil fertilizers. The silkworm excrement and shell ecologic acidic soil conditioner is prepared from, by weight, 20-90 parts of shells and 10-80 parts of silkworm excrement. Synergism of shell powder and silkworm excrement after the shell powder and the silkworm excrement are mixed, co-fermented and combined is found in the invention, so the utilization of calcium in the shell powder by the acidic soil is greatly improved, the soil acidity improvement effect of the conditioner is substantially better than the total acidity improvement effect reached by individual use of the silkworm excrement and the shell powder; and the conditioner disclosed in the invention improves the acidic soil improving effect of the silkworm excrement and the shell powder, improves the absorption of nutrition in the silkworm excrement and shells by crops, and increases the output of crops.

The invention relates to potassium polyphosphate slow-release fertilizer for sugarcane, and a production method of the potassium polyphosphate slow-release fertilizer. The potassium polyphosphate slow-release fertilizer is prepared from the following raw materials in parts by weight: 45-60 parts of urea, 25-28 parts of potassium polyphosphate, 30-35 parts of biochemical potassium fulvate, 0.2-0.4 part of magnesium sulfate, 0.2-0.3 part of calcium chloride, 1-1.5 parts of trace elements, 2-5 parts of tea saponin, 8-10 parts of peanut bran, 5-10 parts of bone meal, 10-15 parts of rotten chicken manure and 10-15 parts of bentonite. The potassium polyphosphate slow-release fertilizer for the sugarcane is prepared according to the nutrient uptake features of sugarcane growth; the potassium polyphosphate slow-release fertilizer can provide multiple nutrient elements needed by the sugarcane growth; furthermore, the nutritional ingredients in the fertilizer can be slowly released, so that the fertilizer efficiency is lasting, and the utilization rate of the fertilizer is facilitated to be increased; the potassium polyphosphate slow-release fertilizer has the effects of increasing both production and income and increasing the sugar content of the sugarcane.

The invention provides a silicon-element alkaline fertilizer for improving soil acidification and a preparation method of the silicon-element alkaline fertilizer. The silicon-element alkaline fertilizer comprises the following raw materials in parts by weight: 15-20 parts of potassium silicate, 20-25 parts of potassium humate, 15-20 parts of urea, 0.1-0.5 part of ammonium molybdate, 0.2-2 parts of ethylenediamine tetraacetic acid, 0.1-0.5 part of part of hexanoic,2-(diethylamino) ethyl estercitrate, 0.1-0.5 part of compound sodium nitrophenolate, 12-15 parts of powdered rock phosphate, 6-7 parts of calcium chloride, 5-7 parts of a natural potassium magnesium fertilizer and 18-20 parts of matured compost. By virtue of the silicon-element alkaline fertilizer, the acidified soil can be effectively improved; the pH of the soil is 6.8-7.0 after the silicon-element alkaline fertilizer is used for a year; the specific gravity of the soil is 2.63-2.64g / cm<3>; the volume-weight of the soil is 1.12-1.13g / cm<3>; and the total porosity of the soil is 57%-58%.

The invention provides a silicon-element alkaline fertilizer for improving soil acidification and a preparation method of the silicon-element alkaline fertilizer. The silicon-element alkaline fertilizer comprises the following raw materials in parts by weight: 15-20 parts of potassium silicate, 20-25 parts of potassium humate, 15-20 parts of urea, 0.1-0.5 part of ammonium molybdate, 0.2-2 parts of ethylenediamine tetraacetic acid, 0.1-0.5 part of part of hexanoic,2-(diethylamino) ethyl estercitrate, 0.1-0.5 part of compound sodium nitrophenolate, 12-15 parts of powdered rock phosphate, 6-7 parts of calcium chloride, 5-7 parts of a natural potassium magnesium fertilizer and 18-20 parts of matured compost. By virtue of the silicon-element alkaline fertilizer, the acidified soil can be effectively improved; the pH of the soil is 6.8-7.0 after the silicon-element alkaline fertilizer is used for a year; the specific gravity of the soil is 2.63-2.64g / cm<3>; the volume-weight of the soil is 1.12-1.13g / cm<3>; and the total porosity of the soil is 57%-58%.

The invention provides a biochar-based sand modifier and a preparation method thereof and belongs to the technical field of compound fertilizer. The biochar-based sand modifier comprises biochar, nitrogen fertilizer, phosphorous fertilizer, potassium fertilizer and bentonite clay minerals. The preparation method comprises the following steps: smashing the biochar, then mixing with the nitrogen fertilizer, phosphorous fertilizer, potassium fertilizer and bentonite to form premix, granulating, and drying, so that the biochar-based sand modifier is obtained. The biochar-based sand modifier obtained by adopting the preparation method has the advantages that the biochar can improve a sand soil structure and has carbon fixation effect, release of fertilizer in soil can be delayed and continuous fertilization effect is achieved when the biochar is combined with the other components, the soil structure can be improved at the same time, and product quality can be improved.

The invention discloses a special high-concentration garlic long-acting slow-release fertilizer which comprises the following raw materials in parts by weight: 200-300 parts of urea, 200-280 parts of monoammonium phosphate, 200-300 parts of potassium sulfate, 150-240 parts of a calcium magnesium phosphate fertilizer, 20-70 parts of activated humic acid, 1-20 parts of zinc sulfate, 1-20 parts of borate, 1-20 parts of a urease inhibitor, 1-20 parts of a nitration inhibitor and 20-40 parts of a concrete fertilizer. Due to addition of the activated humic acid and calcium magnesium phosphate fertilizer, the special high-concentration garlic long-acting slow-release fertilizer disclosed by the invention is capable of increasing content of organic matters in soil, promoting absorption of nutrients by garlic plants and reducing the problem of 'bread garlic' caused by continuous cropping nutritional deficiency and poor soil environments in main garlic production regions, and has great significances for promoting positive cultivation circulation of soil in the main garlic production regions and stable garlic supply.

The invention provides a bacterium LRP3 capable of mineralizing and fixing heavy metal ions and application of the bacterium LRP3. The bacterium LRP3 capable of mineralizing and fixing heavy metal ions provided by the invention is Rahnella sp. which is preserved in the general microbial center of China Microbial Culture Collection Committee and has a preservation number of CGMCC NO.13347. The bacterium can separate out an indigenous microorganism capable of degrading phytic acid by secreting phytase and alkaline phosphatase to release phosphate radicals from the environment; a fermentation product can rapidly precipitate and consolidate heavy metal ions in soil and aqueous solution through bio-mineralization so as to form a mineralization product with stable properties; the bacterium can also be planted in soil to enhance a natural mineralization process of heavy metals in the soil; a fermented liquid of the bacterium can be used for controlling the soil or wastewater polluted by the heavy metals to achieve simple operation, low cost and no secondary pollution.

The invention discloses a fertilizer synergist capable of improving acid soil for oilseed rape and a preparation method for the fertilizer synergist. The fertilizer synergist is prepared from the following raw materials in parts by weight: 2-3 parts of zinc sulfate, 44-46 parts of zeolite, 60-80 parts of modified phosphate rock powder, 4-5 parts of glauconite, 18-20 parts of sugar beet pulp, 14-16 parts of furfural residues, 5-6 parts of calcium hydrogen phosphate, 3-4 parts of attapulgite clay and an appropriate amount of water. According to the fertilizer synergist disclosed by the invention, added raw materials of furfural residues, glauconite powder, modified phosphate rock powder, and the like are combined with the fertilizer for use, so that elements of nitrogen, phosphor and the like in soil can be released, the contradiction of between nitrogen and phosphorus shortage and insufficient nitrogen and phosphorus supply to the soil is relieved, calcium, potassium, iron and other salt-based irons can be provided, the soil PH value is increased while growth needs of the oilseed rape are ensured, the content of exchange aluminum in soil is reduced, and the good effect of improving the acid soil is achieved.

The invention discloses a device and method for preparing straw biochar by waste heat of high temperature thermal desorption. The device includes a biochar carbonization kiln, a conveying frame and amixture blending device. A fixing frame is welded to the outer surface of the biochar carbonization kiln, and an inner cavity of the biochar carbonization kiln is provided with an inner cylinder. Thewhole device uses waste heat of soil after thermal-desorption remediation and added straw for synthesizing charcoal, and the characteristics of soil are greatly improved. One end of each second thermal insulation board is arranged at a connection clamp cavity of the corresponding first thermal insulation board through clamping, thus every two adjacent second thermal insulation board and first thermal insulation board are closely connected, heat loss is reduced to the utmost extent, and the environmental condition of biochar preparation is improved. The straw enters a material stirring frame through a sealed material blending hopper, a grinding roller is used for stirring, the straw is crushed better before entering the inner cylinder, and moreover, the situation is avoided that the agglomeration, due to long-time storage, of the straw affects the carbonization process of biochar.

The invention relates to a basic fertilizer granulation method which comprises the following steps: heating binder raw materials including hydrochloric acid, urea, sulfuric acid and monoammonium phosphate at a certain ratio to form a liquid as a basic fertilizer spraying agent, and regulating the adding ratio of the binder to the basic fertilizer so as to ensure that a powdered basic fertilizer is granulated and the granular basic fertilizer has certain hardness and is not easily pulverized. According to the basic fertilizer granulation method provided by the invention, on one hand, the problem that the dust is too much when a farmer uses the fertilizer can be solved; on the other hand, the acid soil is improved, the absorption of nutrient elements is promoted, the N, P and K nutrient ratio is higher, and the yield and quality of plants can be improved.

The invention provides a fertilizer capable of improving soil acidity. The fertilizer comprises the following components in parts by weight: 4-8 parts of chicken manure, 3-7 parts of monocalcium phosphate, 2.5-6 parts of straw powder, 3.5-7 parts of vermiculite, 2.3-5 parts of potassium sulphate, 2.2-4.8 parts of borax, 3.4-8 parts of radix sophorae flavescentis, 4.1-7.6 parts of film coating agent, 3.5-8 parts of lactobacillus acidophilus, 4.5-9 parts of shortstalk monkshood root, 1.2-4 parts of hops, 3-7 parts of limestone, 3.6-7.4 parts of plant ash and 3-7 parts of rice bran. The fertilizer has the beneficial effects that the fertilizer can well improve the acid soil, enhance the absorbing capacities and disease resistance of plants and ensure that the plants can gain sufficient nutrients.

The invention discloses special compound fertilizer containing LMW (low molecular weight) polyglutamic acid for strawberries and a preparation method of the special compound fertilizer. According to the method, the special compound fertilizer is prepared from LMW polyglutamic acid fermentation broth, urea, potassium sulfate, calcium hydrogen phosphate, ammonium hydrogen carbonate, magnesium sulfate, borax, zinc sulfate, manganese sulfate, ammonium molybdate, distillers' grains, plant ash and animal waste, and organic fertilizer is prepared from LMW polyglutamic acid cheated medium trace elements, the distillers' grains, the plant ash and the animal waste. The special compound fertilizer for the strawberries is rich in polyglutamic acid, trace elements and organic fertilizer, so that nutriment supply of the strawberry growing process is guaranteed, furthermore, the fertilizer has slow release feature, so that soil fertility can be improved, strawberry yield is greatly increased, meanwhile, the utilization rate of the fertilizer is increased, and the production cost is reduced.

The invention discloses a special liquid fertilizer for golf course and a manufacturing method. The invention is characterized in that fluorhydric acid is added in mixture of soluble nitric acid silicon fertilizer, silver sand and water, and the particles are dissolved into liquid form; the nitric acid, the sulphuric acid and the chitosan are added, stirred and mixed, and the calcium carbonate is added to ensure that the PH reaches a certain value, and the mineral spring water and the amino acid are added for the dissolving, the liquid fertilizer for the golf course is formed after the mixture which is dissolved is diluted with water. And the calcium fertilizer and the silicic acid fertilizer are provided for the lawn, the growing of physiological ecology of the course lawn is improved, the acid soil can be improved, and the flattening, the equalization, the hardness and the elasticity of the lawn is improved, and the silicify phenomenon of the lawn tissue is promoted. The invention is easy to be absorbed by the grass, the water is easy to be drained and the effect of weathering a drought is achieved, in addition, owing to the fluorhydric acid, the bacterial plant disease, the fungous plant disease and the insect pest can be prevented effectively, the application rate for the lawn is decreased greatly, and the content of farm chemical in the sewage which is drained from the course is decreased and the environmental pollutionis decreased.

The invention provides a soil conditioner for remediation of Cd / As combined pollution of paddy fields and a preparation method thereof. The soil conditioner comprises the following components in partsby weight: 20-60 parts of iron-containing sulfate, 20-60 parts of activated silicate, 0-40 parts of calcium superphosphate and 0-5 parts of disodium ethylenediamine tetraacetate. The preparation method of the soil conditioner comprises the following steps: (1) crushing the components respectively and carrying out sieving with an 80-mesh sieve; and (2) uniformly mixing and then granulating the sieved fine powder, carrying out drying until the moisture content is less than 5%, and finally carrying out detection to obtain a qualified finished product. The soil conditioner has a synchronous passivation effect on soil Cd / As pollution, and at the same time can effectively reduce the absorption of Cd / As by aboveground parts of crops, block heavy metals Cd and As from entering the food chain, prevent damages to human bodies, and promote protection and sustainable use of land resources. The preparation process of the soil conditioner is environment-friendly and feasible and has a low cost.

The invention discloses a soil repair agent and a preparation method thereof. The soil repair agent comprises the following components in parts by weight: 10-80 parts of calcium cyanamide, 10-70 parts of a medium trace element fertilizer and 1-20 parts of beneficial bacteria, wherein the beneficial bacteria are sealed into capsules; corresponding parts of components are evenly mixed to obtain the soil repair agent. By adopting the soil repair agent disclosed by the invention, the soil pH value is adjusted, malignant bacteria and nematodes in the soil are killed, the soil-borne disease is reduced, the soil environment is repaired, the functions of the soil environment are restored, and especially, a series of vicious circles caused by soil environment degradation can be effectively contained. The soil repair agent is convenient to use, all components can be received by the soil, the soil repair agent is an ideal multifunctional soil environment repair agent with the functions of fertilization and fertility increase, slow release and nitrogen fixation, soil and water conservation, acid-base adjustment, bacterial inhibition and disease control and low price. The soil repair agent is less in equipment investment, simple in preparation process and low in manufacturing cost.

The invention discloses agricultural fertilizer for grape planting, and belongs to the technical field of planting fertilizer. The agricultural fertilizer comprises 5-7 parts of aschersonia powder, 3-5 parts of phage powder, 6-11 parts of potassium dihydrogen phosphate, 3-5 parts of zinc sulfate, 5-7 parts of potassium sulfate, 8-10 parts of sugarcane ash, 10-12 parts of agricultural rare earth, 12-15 parts of maize straw, 3-5 parts of chicken manure, and 3-5 parts of calcium superphosphate. The agricultural fertilizer has the effects of inorganic and organic fertilizers, effectively and completely improves a production source of soil organic microorganisms and acidity-alkalinity of soil, and enables the grape yield and the mouth feel of grapes to be improved, so that the quality of grapes is improved. The agricultural fertilizer has the effect of inhibiting harmful microorganism bacteria. Through the adoption of the agricultural fertilizer, the buffer performance of grape land soil is improved, acid soil is improved, and saline-alkali soil is transformed.

The invention discloses a quicklime-powder-containing coated slow-release fertilizer capable of improving acidic soil and a preparation method thereof. The invention is characterized in that the fertilizer is prepared from the following raw materials in parts by weight: 3-5 parts of quicklime powder, 10-20 parts of acrylic acid, 30-50 parts of sodium alginate solution, 1-2 parts of sodium dodecyl benzene sulfonate, 1-2 parts of ammonium persulfate, 3-6 parts of N,N-methylene-bis acrylamide, 1-2 parts of waste manganese slag, 15-25 parts of polyvinyl alcohol, 3-5 parts of starch, 25-35 parts of urea, 10-16 parts of potassium hydrogen phosphate, 40-50 parts of calcium chloride solution and 50-100 parts of distilled water. The water retention agent is added into the crosslinked fluid and then sprayed on the fertilizer core, thereby overcoming the defect of high shedding tendency of the water retention agent when the water retention agent is directly attached to the core of the fertilizer; and thus, the fertilizer has obvious moisture retention effects. The crosslinked fluid can also achieve the goal of enhancing the water resistance of the fertilizer, and the fertilizer is biodegradable and environment-friendly. The added quicklime powder has the effect of improving acidic soil.

The invention discloses a compound fertilizer for quickly culturing golden camellia. The compound fertilizer is prepared from the following components in percentage by weight: 15% of ammonium hydrogencarbonate, 20% of potassium chloride, 5% of copper sulfate, 18% of a calcium magnesium phosphate fertilizer, 12% of potassium sulfate, 10% of diammonium hydrogen phosphate, 12% of urea and 8% of zincselenide. The compound fertilizer has the beneficial effects that the compound fertilizer for quickly culturing golden camellia takes ammonium hydrogen carbonate as a nitrogen fertilizer, so that thecompound fertilizer is suitable for various soil, and can provide ammonium state nitrogen and carbon dioxide needed by growth of crops; the adopted potassium chloride is prepared by the following steps: crushing and ball-milling sand crystal salt; adding a 1% octadecylamine floating agent while stirring; and meanwhile, adding 2% cellulose for flotation and then carrying out centrifugal separation. The adopted copper sulfate is grey powder, the aqueous solution is faintly acidic, and reacts with ammonium hydrogen carbonate to generate ammonium chloride, water and carbon dioxide, carbon dioxidecan promote plant photosynthesis to increase the output of the golden camellia and the generated ammonium chloride can be used as a fertilizer again.

The invention relates to a preparation method of a biomass long-acting heavy metal passivator, and belongs to the technical field of soil remediation. The method comprises the following steps: firstly, taking sugarcanes rich in sugar as a raw material, performing juice squeezing to obtain sugarcane juice, and concentrating the sugarcane juice to obtain concentrated syrup; mixing corn starch with the concentrated syrup to obtain a biomass sugar adhesive; then, sintering rice husks as a raw material, and mixing the rice husk ash with calcium carbonate for reaction to obtain a prefabricated passivator; mixing the biomass sugar adhesive with bacillus subtilis to obtain bacteria-containing adhesive; and finally, bonding the prefabricated passivator by utilizing the bacteria-containing adhesive,granulating the prefabricated passivator, and performing drying to obtain the biomass long-acting heavy metal passivator. The passivator prepared by the method has the advantages of good passivatingeffect and long passivating time, and has a promising application prospect.

The invention discloses a slow-release glass fertilizer and an industrialized production method thereof. The method comprises the steps that calcium carbide, fluorite and waste glass or quartz sand are crushed and then fully and uniformly mixed with sylvite, sodium carbonate, limestone, dolomite powder, borax and auxiliary materials according to a certain proportion, after the mixture is milled into powder through a ball mill, the powder is conveyed into a rotary furnace, high-temperature reacting is conducted in a nitrogen atmosphere, and then the slow-release glass fertilizer is prepared. According to the method, industrialized continuous production of the glass fertilizer can be achieved, the obtained fertilizer is a nitrogen-potassium composite type slow-release fertilizer, the fertilizer utilization rate can be effectively increased, the topdressing frequency can be decreased, and the labor cost can be reduced; in addition, by adding corresponding medium and trace elements and synergist in the fertilizer, the requirements of plants on the medium and trace nutritional elements in the growth and development process can be met, the crop yield is significantly increased, and the crop quality is significantly improved; meanwhile, the fertilizer has the effects of improving acid soil and inhibiting soil-borne diseases.

The invention discloses a method of producing a solid snow-melting agent by utilizing waste marble, and belongs to the technical field of the preparation of a snow-melting agent. The method comprises the following steps: calcining the marble to oxidize calcium carbonate to be calcium oxide, then placing the calcium oxide and coke into a calcium carbide furnace, calcining at a high temperature to prepare calcium carbide, so that a purpose of removing snow is realized by utilizing the performance that a mixed powder of the calcium oxide and the coke can release a great amount of heat when meeting water, can rapidly melt the snow cover and are likely to dissolve in water to form a solution so as to reduce the freezing point of the water. The method has the beneficial effects that the solid snow-melting agent is low in cost, high in snow melting speed, harmless to the environment, and non-corrosive to road and large-sized public infrastructures, a residual product of molten snow can neutralize acidity and improve acidic soil and thus is favorable for the living of crops; by sufficiently adopting the waste marble to produce the solid snow-melting agent, waste is converted into treasure, and the sustainable utilization of resources is realized.

A disclosed biological fertilizer for removing alkalis and restraining salts is characterized by comprising the following substances in parts by weight: 60-70 parts of peat, 150-200 parts of corn straw, 9-11 parts of semen cassiae, 2-8 parts of medulla junci, 12-23 parts of potassium polymetaphosphate, 12-25 parts of ammonium bicarbonate, 12-20 parts of rock phosphate powder, 0.1-0.2 part of polypeptide, 1-2 parts of nitrogen, phosphor and potassium elements, 2-8 parts of potassium dihydrogen phosphate, 11-13 parts of diammonium hydrogenphosphate, 1-3 parts of calcium dihydrogen phosphate, and 1-2 parts of boric acid. The biological fertilizer possesses the effects of both inorganic and organic fertilizers, relatively effectively radically improves the generation source of soil organic microbes and soil acid-base property, and also is capable of generating active substances, stimulating crop growth and immobilizing nitrogen in air.

The invention discloses chlopyrifos microcapsules containing quick lime and a preparation method thereof. The chlopyrifos microcapsules are characterized by being prepared from the following raw materials in parts by weight: 3 to 4 parts of quick lime, 13 to 20 parts of chlopyrifos raw material, 30 to 50 parts of bentonite, 1 to 2 parts of potassium hydrogen phosphate, 3 to 8 parts of artemisia vulgaris essential oil, 30 to 40 parts of urea, 1 to 2 parts of dodecyl trimethyl ammonium chloride, 1 to 3 parts of sodium dodecyl benzene sulfonate, 60 to 70 parts of formaldehyde, a proper amount of hydrochloric acid, 10 to 20 parts of methanol, a proper amount of sodium hydroxide, 2 to 5 parts of sodium salt of styrene-maleic anhydride copolymer, 2 to 3 parts of sodium polyacrylate and 250 to 800 parts of distilled water. The organic bentonite is introduced into the microcapsules as a carrier, so that the aim of delaying drug release can be fulfilled, meanwhile the stability of a microcapsule suspending agent is improved, and the service life of a pesticide is prolonged; the effect of improving acid soil is achieved through the added quick lime.

Belonging to the technical field of acidified soil treatment and remediation, the invention provides a nutritional type tobacco field soil acidification modifier formula and a use method thereof. The nutritional type tobacco field soil acidification modifier formula is formed by mixing of dolomite powder, quicklime, biological black charcoal and silicon-calcium powder in proportion. The use method consists of: firstly before ridging of tobacco field farmland, employing 5-point mixing sampling, then analyzing the acid-base property of soil, if the acidification degree is high and improvement is needed, spreading the nutritional type soil acidification modifier on the tobacco field surface before farming and ridging of the tobacco field, and then ploughing the mixture evenly, with the specific dosage and continuous usage time being determined by the soil acidification severity. According to the nutritional type tobacco field soil acidification modifier formula and the use method provided by the invention, the design and formula are reasonable, the use method is appropriate, the tobacco field soil acidification status can be improved significantly, and the tobacco development and disease resistance can be promoted, and the yield and quality of cured tobacco are improved. In addition, the formula and the method also have good effects in improving the stress resistance and yield of afterculture paddy rice.

The invention discloses composition for increasing the yield of dry land peanuts and a usage method. The composition comprises straw residues, straw ash and a water-retention material, wherein the mass ratio of the straw residues to the straw ash is in a range of 3:7-7:3, and the mass ratio of a mixture of the straw residues and the straw ash to the water-retention material is in a range of 5:(1-20):1. Biomass power generation waste in the composition has rich nutrient elements, can supplement the peanuts with elements required by growth of the peanuts and can improve acid soil; the water-retention material contained in the composition can prevent drought and water shortage of the peanuts in the growth period. The composition can promote growth of peanut plants, enlargement of root systems, increase of fresh weight of nuts of each single plant after applied to the peanuts, and finally, the yield of the peanuts is increased by more than 13%.