51results about How to "Increase fertilizer" patented technology

The invention relates to an improver for saline-alkali soil. The improver comprises a powder agent and a water agent, wherein the powder agent comprises the following components: organic matters, plant mycelium protein powder, active calcium, calcium superphosphate, aluminum sulfate, fatty alcohol polyoxyethylene ether ammonium sulfate, amino acid powder, bacillus subtilis and photosynthetic bacteria, and the water agent comprises the following components: citric acid, fulvic acid, humic acid, malic acid, maleic acid, fumaric acid, L-tartaric acid, pyrophosphoric acid, humic acid, lactic acid, oxalic acid, salicylic acid, sodium ion adsorbent, Tween-80 and water. The improver disclosed by the invention can improve the soil from multiple angles, namely soil structure, microorganism species, a chemical method and the like, obviously promote the release of iron and phosphorus in the soil, improve the soil structure, effectively reduce the content of sodium ions in the soil, reduce the pH value of the soil and restore land to a normal planting state after being used continuously for two years.

The invention relates to a preparation method for a high-activity humic acid biofertilizer. The high-activity humic acid biofertilizer comprises 97-99% of humic acid bio-organic fertilizer, 0.2-3% of special functional bacteria, and 0.1-0.3% of activator. The high-activity humic acid biofertilizer has high quality of organic matter nutrient, is excellent in soil conditioning function, has stable effect and long fertilizer efficiency, has balanced and complete nutrient, comprises multiple inorganic components needed by crops, has high fertilizer efficiency and can promote the growth of the crop and improve the yield and quality, has good disease resistance effect, improves the root system environment of the crop, improves the nutrient absorption of the crop, develops the root system of the crop, and enhances the stress resistance of the crop. After the high-activity humic acid biofertilizer is used by a peasant, a good planting effect can be obtained, and the yield and income are increased, so that the high-activity humic acid biofertilizer is used for producing environment-friendly and organic food.

The invention relates to a biochar-based fertilizer for restoration of heavy metal contamination of arable soil. The biochar-based fertilizer is composed of, by mass, 50% of biochar, 15% of micropowder of water-chilled dreg from a blast furnace, 30% of fresh cow dung and 5% of a composite biological inoculum. As the biochar and the micropowder of water-chilled dreg from the blast furnace undergo strict screening and effective component activation, the pH value of the soil is increased, the granular structure of the soil is improved, adsorption effect on heavy metal elements in the soil is effectively strengthened, and soil heavy metal restoration effect is enhanced; and in the composite composed by the biochar, the micropowder of water-chilled dreg from the blast furnace, the fresh cow dung and the composite biological inoculum according to a certain proportion, the biochar improves adsorption of heavy metals in a soil solution, the micropowder of water-chilled dreg enhances the silicon utilization rate of crops under the action of an activator, the crops prevent and control migration of heavy metals to the bodies of plants while absorbing silicon so as to reduce heavy metal content in the crops, and the biochar and the micropowder of water-chilled dreg have synergistic interaction in controlling of absorption of heavy metal elements in the soil by the crops.

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 relates to a pot-planting method for wolfberry, in particular to a pot-planting method for Ningxia wolfberry. The pot-planting method comprises the following steps: selecting a variety; selecting a seedling; preparing a pot-planting medium; planting the seedling; performing cultivation and management; training and pruning; preventing and controlling plant diseases and insect pests; selling in a market and the like; the pot-planting method further comprises the specific management methods of implementing fertilizer and water management measures, implementing a growth period pruning measure for delaying the fruiting period of budding seats, implementing an overwintering measure of a pot tree and the like. Through a wolfberry pot-planting technology provided by the invention, the fruiting period of the budding seats can be brought forward or delayed; in a facility cultivation environment in a northwest region, pot-planting wolfberry can be planted in late October; the fruit matures in mid-to-late February; the pot-planting wolfberry appears on the market 4 months earlier than outdoor wolfberry; the pot-planting wolfberry is planted in the beginning of May and the fruit matures in the end of October; the marketing period of fresh wolfberry is delayed to December. Through the wolfberry pot-planting technology, a wolfberry tree shape for ornamental and production can be cultured.

The invention discloses a soil bioremediation agent and a soil remediation method based on the soil bioremediation agent. The soil remediation method based on the soil bioremediation agent mainly comprises the following steps: S1, soil turning: turning and airing contaminated soil to be remediated; S2, secondary soil turning: performing secondary soil turning and airing on the soil subjected to the step 1; S3, pesticide spraying: spraying a layer of soil bioremediation agent on the surface of the soil subjected to the step S2, standing for at least 3 hours, turning over the soil for at least one time, spraying a layer of soil bioremediation agent again, and then standing for 2-5 days; and S4, water spraying: spraying water to the surface of the soil obtained in the step S3, then ventilating and drying the soil obtained after water spraying is conducted and then completing remediation of the soil. Heavy metal ions such as lead, chromium, cadmium and cobalt in the soil are adsorbed or complexed through the nano phosphate so that the content of the heavy metal ions in the soil is reduced; and organic pollutants are adsorbed through activated carbon powder and chitosan, and the problemof soil pollution is solved.

The invention discloses a fertilizing method capable of improving the lodging resistance of alfalfa plants. The fertilizing method comprises the following steps: step one, mixing a first soil layer with the depth of above 15 cm with a first organic fertilizer and vermiculite to obtain first soil before sowing; step two, mixing a second soil layer with the depth of 15 to 30 cm with mixed powder anda second organic fertilizer to obtain second soil; step three, after mixing and stirring a third soil layer with the depth of below 30 cm with a third organic fertilizer uniformly, paving the mixturein a room of 25 to 28 DEG C for 12 to 18 h so as to obtain third soil; and step four, paving liquid storage layers between the third soil and the second soil and between the second soil and the firstsoil respectively so as to obtain an alfalfa planting land. Fertilization is carried out on the soil of the planting land in batches, the fertilizer with the ingredients in proportion is applied at different periods so as to improve the lodging resistance of alfalfa, so that the purpose of improving the alfalfa yield and product quality is reached.

The invention discloses a rice-fish-shrimp circular planting and breeding system. A pond is divided by the system into a culture zone, a smooth water zone, a field board and an open water buffer zone,wherein the culture zone comprises a plurality of longitudinally parallel culture water tanks, the smooth water zone is located at a water outlet end of the culture zone, and the pond bottom of the smooth water zone is lower than the bottom of the culture zone; the open water buffer zone is located at a water inlet end of the culture zone, and the pond bottom of the open water buffer zone is lower than the bottom of the culture zone; the field board is U-shaped surrounding the culture zone, the smooth water zone and the open water buffer zone, and a circular ditch is dug on the edge of a field parcel along the pond bank; a first water isolation belt is arranged to divide the field parcel into a rice-shrimp planting and breeding zone and an ecological purification zone; a second water isolation belt is arranged from the water inlet end of the culture zone far away from the bank end of the pond in the water flow direction to enable water to flow circularly in an O shape along the culture zone, the smooth water zone, the rice-shrimp planting and breeding zone, the ecological purification zone and the open water buffer zone. The problems about treatment of high-density culture waste and fertilization of a comprehensive rice field planting and breeding system are solved, and efficient utilization of system resources and zero emission of tail water and waste are realized.

The invention provides a soil remediation agent prepared from crop straw as a raw material. The crop straw is pretreated through steam explosion, so that the utilization efficiency of effective components in the crop straw is improved, the exploded straw powder is subjected to fermentation and pyrolysis activation treatment to prepare a fermentation product of the straw and biochar respectively, the fermentation product and biochar are mixed with straw powder, attapulgite, ground phosphate rock, plant ash, an oxidant, a water-retaining agent and other auxiliary components to prepare the soil remediation agent. The soil remediation agent is good in remediation effect, free of toxic and side effects, convenient to prepare, capable of rapidly remedying soil contaminated by organic matter, especially pesticide, capable of efficiently remedying contaminated soil and capable of achieving resource utilization of biomass resources, especially crop straw.

The seedling growing block for cultivating lawn is produced through filling base material into mold, leveling, pre-pressing, adding seed material and pressing. The base material includes stalk as main material, clay, turf, shale, slag and bacterial fertilizer as supplementary material, and is produced through crushing and mixing. The grass seed may be mixed seed depending on the cultivating areas. Compared with traditional lawn cultivating method, the method with seedling growing block has the advantages of long lawn life up to 10 years, simple construction, fast formation of lawn, low cost, etc.

The invention discloses a compound microbial preparation with a deodorization function. The compound microbial preparation comprises components in parts by weight as follows: 30-60 parts of chlorite schist powder, 6-9 parts of magnesium sulfate, 3-6 parts of cane molasses, 20-28 parts of potassium oxide powder, 5-15 parts of sawdust, 1-3 parts of shell ginger powder, 2-4 parts of mulberry leaf powder, 0.3-6 parts of a beef extract, 0.5-0.8 parts of gel, 4-8 parts of dextrin, 1-3 parts of amino acid, 8-12 parts of cellulase, 3-12 parts of protease, 12-20 parts of a compound microbial agent and 50-80 parts of water. Through skillful combination of specially prepared filler with the compound microbial agent, microorganisms as well as malodorous gas ammonia and indoleamine gas can be converted into amine salt, not only is fertilizer increased, but also odor of a bio-toilet is reduced greatly.

The invention discloses a method for improving washed soil, and relates to a method for improving soil. The method for improving washed soil comprises the following process: determining the proportion of sand granules of 0.025mm of washed soil according to a hydrometer method, when the proportion of sand granules greater than 0.025mm of the washed soil is 60%-80%, the additive amount of mushroom residue composite additives is 8wt%-10wt%; when the proportion of sand granules greater than 0.025mm of the washed soil is 40%-60%, the additive amount of mushroom residue composite additives is 3wt%-5wt%, and when the proportion of sand granules greater than 0.025mm of the washed soil is below 40%, the additive amount of mushroom residue composite additives is 1.5wt%-2.5wt%; and mushroom residue composite additive is formed by uniformly mixing mushroom residue after decomposition treatment, biogas residue and fulvic acid according to the mass ratio of 355:97:38. The method not only can be used for increasing the water retaining capacity of the washed soil, but also can replenish nutritional ingredients of the washed soil, meanwhile, is low in cost, has no engineering modification, and is high in feasibility in actual applications.

The present invention provides a method for adjusting performance of soil in a citrus orchard, and belongs to the field of citrus plantation. The method comprises the steps of spreading a nutrition material of 500-700 kg per mu to the soil and plowing and stirring the soil uniformly, and after 5-7 days, adding a soil conditioner of 20-30 kg per mu to the soil and plowing and stirring the soil uniformly; wherein the nutrition material is composed of raw materials including, by weight, 30-40 parts of brown coal powder, 80-90 parts of modified bentonite, 20-25 parts of EDTA-Fe, 12-15 parts of EDTA-Mg, and 400-500 parts of traditional Chinese medicine slag. According to the method, the harden soil can be improved, the soil pH value is can be adjusted, heavy metal pollution in the soil can be reduced, and therefore the soil fertilizer can be increased. The method is suitable for large-scale systematic application to increase production and income for farmers.

The invention discloses an improving method for a saline-alkali land and belongs to the technical field of agriculture. For the saline-alkali land per mu, the method comprises the following steps: (1) uniformly spreading mushroom planting wastes on the surface of soil, after carrying out deep ploughing by using a deep ploughing machine, irrigating, and soaking the mushroom planting wastes for 10-15h; and (2) draining water in the saline-alkali land, carrying out rotary tillage, meanwhile, applying organic farm manure, an amino acid fertilizer and a composite microbial agent, and then, carrying out field planting on seedlings after 3 days since farmland fertility maintenance. The improving method for the saline-alkali land, disclosed by the invention, is used for improving the land under the condition of an original soil environment, wastes in the current mushroom planting process are adopted to form a breathable impermeable aggregate layer, saline and alkali are flushed to be clean by irrigation after the impermeable aggregate layer is mixed with a saline-alkali layer on a surface layer, and the impermeable aggregate layer can be used for effectively preventing planting oil on the surface layer from being salinized, so that a planting layer is suitable for plantation for a long term; and by using the method, flushing by using a great number of freshwater resources is not needed, so that the water consumption is effectively reduced.

The invention discloses a compound microbial preparation long in fermentation cycle. The preparation is prepared from, by weight, 30-60 parts of chlorite schist powder, 6-9 parts of magnesium sulfate, 20-28 parts of potassium oxide powder, 1-3 parts of alpinia powder, 2-4 parts of folium mori powder, 0.3-6 parts of beef extract, 0.5-0.8 part of gel, 4-8 parts of dextrin, 1-3 parts of amino acid, 8-12 parts of cellulase, 3-12 parts of protease, 0.05-0.2 part of pyridoxal, 0.02-0.08 part of flavonoid, 0.05-0.1 part of pyridoxine hydrochloride, 12-20 parts of compound microbial agent and 50-80 parts of water. By ingeniously combining unique prepared filler with the microbial preparation, malodorous gas ammonia gas and indoleamine gas can be converted into amine salt through microorganisms, fertilizer is increased, and odor of bio-toilets is greatly reduced.

The invention discloses a method for promoting safe utilization of pig farm waste through earthworm-quick growing tree species. Circulating application of pig manure, biogas slurry and composite earthworms is conducted in the quick growing forest land in different seasons, and the method comprises the following operation steps that firstly, the quick growing tree species are planted; secondly, the pig manure is applied, ring-shaped ditches are dug around the planted quick growing tree species, and the pig manure is scattered into the ditches; thirdly, biogas slurry is applied, and a pipeline for biogas slurry irrigation is laid beside the quick growing tree species, drop irrigation ports are formed in the left side and the right side, and the biogas slurry is subjected to drop scattering according to situations; and fourthly, the earthworms are applied, ring-shaped ditches are dug in an area where the pig manure is applied in the second step, the big earthworms and the small earthworms are evenly placed in the ditches, then soil returning and filling are conducted, and then the process can be completed. The anthocephalus macrophyllus planted through the method is vigorous in growth, the wood forming period is short, and economical and ecological benefits are obvious.

The invention discloses a preparation method of efficient nematicidal combination fungicide. The method comprises the steps that a metarhizium anisopliae suspension is prepared; a photosynthetic bacterium rhodoblastus acidophilus PSB-1 suspension is prepared; a krusei candida mycoderma bacterium TY9 suspension is prepared; a culture mixed solution is prepared; enteromorpha is prepared and solid fermentation is performed; according to the long-acting biological nematicidal combination fungicide, the content of metarhizium anisopliae is 3*10<6> cfu.<-1> or above, the content of the photosynthetic bacterium rhodoblastus acidophilus is 2*10<7> cfu.<-1> or above, and the content of the krusei candida mycoderma bacterium is 1*10<7> cfu.<-1> or above. By adopting the three types of bacteria, the enteromorpha is adopted as a fermentation raw material to be fermented, the fermentation product has the good nematicidal effect, fertilizer with abundant nitrogen phosphorus and potassium and microelements can be provided, the control rate is 85-100%, and the yield of crops is increased by 5-15%.

The invention discloses a viscosity reducing method for freezing method nitrophosphate neutralized slurry. According to the viscosity reducing method, on the basis of the freezing method nitrophosphate technological process, a resin exchange procedure is added for removing metal ions of calcium, magnesium, aluminum and iron in defluorinated mother liquor, and the purpose of reducing the viscosity of the neutralized mother liquor slurry is achieved. Through the method, the viscosity of the neutralized slurry is reduced, the cost is low, operation is simple, secondary pollution is avoided, obtained products are good in physical and chemical property, high in water solubility and wide in application range and meet the integration demand of water and fertilizer.

The invention discloses a composite fertilizer for gardens of Cinnamomum camphora as well as a preparation method thereof. The composite fertilizer for gardens of Cinnamomum camphora comprises the following components in parts by weight: 8-18 parts of Chinese medicine residues, 3-9 parts of locust powder, 3-8 parts of pueraria root powder, 10-15 parts of highland barley bran, 2-7 parts of theabrownin, 0.5-1 part of vitamin B17, 1-3 parts of L-arginine, 2-5 parts of squalane, 3-7 parts of bone meal, 2-8 parts of Chitosan oligosaccharide, 3-11 parts of oat protein peptide powder, 4-7 parts of zeolite powder, 0.05-0.2 parts of cypermethrin, 3-8 parts of humus soil, and 2-6 parts of Maifan stone powder. The composite fertilizer for gardens of Cinnamomum camphora performs synergism by compounding raw materials; the product is a plantation fertilizer aiming at Cinnamomum camphora, and can effectively improve growth speed of Cinnamomum camphora in north; the fertilizer efficiency is high, and the fertilizer can satisfy demands of market.

The invention discloses a matrix for cultivating straw biomass charcoal with high ventilating performance, and the process comprises, amounts by weight, 8-12 parts of perlite powder, 4-6 parts of coconut bran, 1-2 parts of large-leaf sophora; 0.5-0.8 parts of peanut seedling; 0.1-0.3 parts of alfalfa, 0.2-0.3 parats of vegetable sponge of luffa fiber, 1-2 parts of dandelion, 1-2 parts of potato stem leaf, 1-2 parts of grape skin slag; 0.1-0.2 parts of EM inocula, 1-2 parts of soybean meal, 0.1-0.2 parts of calcium hydrogen phosphate, 30-50 parts of rice straw, 60-80 parts of corn straw, 0.2-0.3 parts of lauroyl monosodium glutamate, 0.2-0.3 parts of ore oil, 0.2-0.4 parts of alkyl glucosides and 0.1-0.2 parts of rapeseed oil.

The invention relates to a biochar-based fertilizer for restoration of heavy metal contamination of arable soil. The biochar-based fertilizer is composed of, by mass, 50% of biochar, 15% of micropowder of water-chilled dreg from a blast furnace, 30% of fresh cow dung and 5% of a composite biological inoculum. As the biochar and the micropowder of water-chilled dreg from the blast furnace undergo strict screening and effective component activation, the pH value of the soil is increased, the granular structure of the soil is improved, adsorption effect on heavy metal elements in the soil is effectively strengthened, and soil heavy metal restoration effect is enhanced; and in the composite composed by the biochar, the micropowder of water-chilled dreg from the blast furnace, the fresh cow dung and the composite biological inoculum according to a certain proportion, the biochar improves adsorption of heavy metals in a soil solution, the micropowder of water-chilled dreg enhances the silicon utilization rate of crops under the action of an activator, the crops prevent and control migration of heavy metals to the bodies of plants while absorbing silicon so as to reduce heavy metal content in the crops, and the biochar and the micropowder of water-chilled dreg have synergistic interaction in controlling of absorption of heavy metal elements in the soil by the crops.

The invention belongs to the field of fruit fertilizers, and particularly discloses a high-efficiency apple fertilizer with addition of onion oil carbon aerogel. The fertilizer is characterized by be prepared from, by weight, fructo oligosaccharide, carboxymethylcellulose sodium, N, N-dimethylacetamide, onion oil, rose extract, sweet olive extract, lactobacillus plantarum, humic acid, nano silicon power, sugar cane bagasse, leaves and stems of mint, tea stems, pawpaw seed powder, organic zinc-rich active yeast powder, catechol, acetylcholine, sodium gluconate, zinc sulfate powder, potassium metasilicate, granulesten, nanometer medical stone powder and the like. The sugar cane bagasse, the leaves and stems of mint, the tea stems, the pawpaw seed powder and the like are fermented through the organic zinc-rich active yeast powder to be used as a main material, the apple organic fertilizer prepared from the main materials is rich in nutrition and easy to absorb and use; the added stable onion oil carbon aerogel is rich in onion oil, rose extract, sweet olive extract and lactobacillus plantarum, so that the fertilizer efficiency can be improved, the fertility endurance time is prolonged, and the high-efficient cultivation of apples are coefficiently promoted.

The invention discloses a corn multifunctional composite drought-resistant water retention agent and a preparation method thereof. The water retention agent is made from corn flour, polyacrylic acid, polyglycol, an adhesive agent, a salt compound, microelements, agricultural boric acid rare earth and a plant growth regulator which are prepared according to a certain proportion. The preparation method comprises the following steps that: (A) the corn flour and water are added in a container; (B) pasting is carried out at a certain temperature; (C) polyglycol, polyacrylic acid and adhesive agentare added and mixed after pasting so as to generate a gelatinous material; (D) the gelatinous material undergoes reaction in nitrogen gas and then is neutralized by calcium hydroxide; and (E), through graft copolymerization, explosive polymerization, cooling, slicing, drying and crushing, a natural macromolecular graft copolymer is obtained, and then a salt compound, microelements, agricultural nitric acid rare earth and a plant growth regulator are added to carry out crushing and mixing, thereby generating a mixture. The corn multifunctional composite drought-resistant water retention agent has quick water-absorption speed, strong water-absorption capacity, easily implemented method, simple technical process and convenient operation, and is suitable to be used in production in small and medium-sized enterprises.

The invention provides a wide-ridge double-line straw deep burying returning machine and belongs to the technical field of agricultural machinery. The wide-ridge double-line straw deep burying returning machine comprises a rack, a gearbox, a drive device as well as a straw collecting device, a chemical box device, a burying device, a soil covering device and a pressing device which are mounted on the rack from a working front end to a working rear end sequentially, wherein the straw collecting device is formed by symmetrically connecting two groups of spiral rollers through connecting shafts, the connecting shafts are fixed on the rack through connecting plates, each group of spiral rollers are formed by symmetrically and obliquely arranging two groups of blades, and straw and weeds are cutup and collected from two sides to the middle; a rotary shaft tube of the burying device is connected with an output shaft of the gearbox through the drive device and is in drive connection with the straw collecting device, a rotary spade blade of the burying device is arranged in a furrow, and chemical discharge devices of the chemical box device are arranged behind the straw collecting device. The wide-ridge double-line straw deep burying returning machine has the advantages that stubble cleaning, straw collecting, burying, pressing and other work can be completed simultaneously in a working process, deep burying returning of straw is realized, soil fertility is improved, and soil organic matter is increased.

The invention relates to a preparation method for a high-activity humic acid biofertilizer. The high-activity humic acid biofertilizer comprises 97-99% of humic acid bio-organic fertilizer, 0.2-3% of special functional bacteria, and 0.1-0.3% of activator. The high-activity humic acid biofertilizer has high quality of organic matter nutrient, is excellent in soil conditioning function, has stable effect and long fertilizer efficiency, has balanced and complete nutrient, comprises multiple inorganic components needed by crops, has high fertilizer efficiency and can promote the growth of the crop and improve the yield and quality, has good disease resistance effect, improves the root system environment of the crop, improves the nutrient absorption of the crop, develops the root system of the crop, and enhances the stress resistance of the crop. After the high-activity humic acid biofertilizer is used by a peasant, a good planting effect can be obtained, and the yield and income are increased, so that the high-activity humic acid biofertilizer is used for producing environment-friendly and organic food.

The invention relates to a pot-planting method for wolfberry, in particular to a pot-planting method for Ningxia wolfberry. The pot-planting method comprises the following steps: selecting a variety; selecting a seedling; preparing a pot-planting medium; planting the seedling; performing cultivation and management; training and pruning; preventing and controlling plant diseases and insect pests; selling in a market and the like; the pot-planting method further comprises the specific management methods of implementing fertilizer and water management measures, implementing a growth period pruning measure for delaying the fruiting period of budding seats, implementing an overwintering measure of a pot tree and the like. Through a wolfberry pot-planting technology provided by the invention, the fruiting period of the budding seats can be brought forward or delayed; in a facility cultivation environment in a northwest region, pot-planting wolfberry can be planted in late October; the fruit matures in mid-to-late February; the pot-planting wolfberry appears on the market 4 months earlier than outdoor wolfberry; the pot-planting wolfberry is planted in the beginning of May and the fruit matures in the end of October; the marketing period of fresh wolfberry is delayed to December. Through the wolfberry pot-planting technology, a wolfberry tree shape for ornamental and production can be cultured.

The invention discloses a viscosity reducing method for freezing method nitrophosphate neutralized slurry. According to the viscosity reducing method, on the basis of the freezing method nitrophosphate technological process, a resin exchange procedure is added for removing metal ions of calcium, magnesium, aluminum and iron in defluorinated mother liquor, and the purpose of reducing the viscosity of the neutralized mother liquor slurry is achieved. Through the method, the viscosity of the neutralized slurry is reduced, the cost is low, operation is simple, secondary pollution is avoided, obtained products are good in physical and chemical property, high in water solubility and wide in application range and meet the integration demand of water and fertilizer.

The invention discloses a compound microbial preparation with a deodorization function. The compound microbial preparation comprises components in parts by weight as follows: 30-60 parts of chlorite schist powder, 6-9 parts of magnesium sulfate, 3-6 parts of cane molasses, 20-28 parts of potassium oxide powder, 5-15 parts of sawdust, 1-3 parts of shell ginger powder, 2-4 parts of mulberry leaf powder, 0.3-6 parts of a beef extract, 0.5-0.8 parts of gel, 4-8 parts of dextrin, 1-3 parts of amino acid, 8-12 parts of cellulase, 3-12 parts of protease, 12-20 parts of a compound microbial agent and 50-80 parts of water. Through skillful combination of specially prepared filler with the compound microbial agent, microorganisms as well as malodorous gas ammonia and indoleamine gas can be converted into amine salt, not only is fertilizer increased, but also odor of a bio-toilet is reduced greatly.

The invention discloses a method for improving washed soil, and relates to a method for improving soil. The method for improving washed soil comprises the following process: determining the proportion of sand granules of 0.025mm of washed soil according to a hydrometer method, when the proportion of sand granules greater than 0.025mm of the washed soil is 60%-80%, the additive amount of mushroom residue composite additives is 8wt%-10wt%; when the proportion of sand granules greater than 0.025mm of the washed soil is 40%-60%, the additive amount of mushroom residue composite additives is 3wt%-5wt%, and when the proportion of sand granules greater than 0.025mm of the washed soil is below 40%, the additive amount of mushroom residue composite additives is 1.5wt%-2.5wt%; and mushroom residue composite additive is formed by uniformly mixing mushroom residue after decomposition treatment, biogas residue and fulvic acid according to the mass ratio of 355:97:38. The method not only can be used for increasing the water retaining capacity of the washed soil, but also can replenish nutritional ingredients of the washed soil, meanwhile, is low in cost, has no engineering modification, and is high in feasibility in actual applications.