579 results about "Inorganic nutrient" patented technology

The invention discloses slow-release fertilizer with the effect of soil remediation, which is prepared by polyhydroxyalkanoates which can be completely biodegraded, organic and inorganic nutrients and other substances, by slow-releasing the organic and inorganic nutrients, microorganism propagation and sustained and rapid growth of plants can be promoted, the bioactivity and water solubility of polycyclic aromatic hydrocarbons are quickened, and simultaneously, the defects of fertilizer loss and repeated fertilization can be avoided, thereby saving the cost and enhancing the soil remediation efficiency. The invention also discloses a soil pollution remediation method by utilizing the slow-release fertilizer, plants with the remediation effect are planted in the soil with the slow-release fertilizer, and efficient, environment-friendly and sustained remediation of the soil polluted by the polycyclic aromatic hydrocarbons (PAHs) can be realized by utilizing the microorganism-plant remediation technology.

The invention relates to a restoration agent for saline-alkali land soil, which consists of free gypsum dehydration, nature organic substance, microbial fertilizer and inorganic nutrient with weight ratio of 60-70:25-35:1-4:3-6; the content of dihydrate calcium sulfate in the free gypsum dehydration is over 80 percent; the nature organic substance consists of weathered coal and grass carbon with weight ratio of 1.0:0.93; the content of effective bacteria in the microbial fertilizer is 2.0 hundred millions / g; and the inorganic nutrient consists of urea, ordinary superphosphate and potassium chloride with weight ratio of 1.0:2.42:075. The restoration agent can utilize calcium ions in the free gypsum dehydration for replacing sodium ions in the soil so as to lower the alkalinity in the soil and provide calcium and sulfur elements for crops, while the nature organic substance can lower and regulate the slat content and the alkalinity in the soil. In addition, the nature organic substance, the microbial fertilizer and the inorganic nutrient can supply large amount of nutrient elements such as nitrogen, phosphorus, potassium and the like to the crop for normal growth, thereby being capable of improving the yield of the crop.

The invention belongs to the technical field of bio-organic fertilizer production, and provides slowly-releasing water conservation biological organic and inorganic compound fertilizer particles and a production method thereof. The fertilizer has the advantages of reasonable structure, unique processing technique, scientific formulation, high fertilizer effect, improved soil physical condition, convenience application, and wide application scope; high-grade bio-organic fertilizer meeting the requirements of organic agricultural vegetable, fruits or food production, or fertilizer having special functions of drought resisting, saline and alkaline resisting and continuous cropping resisting and capable of specially meeting fertilizer requirement rules of various crops can be further designed and developed. The fertilizer effect playing way in the invention is unique, and component parts such as probiotics, inorganic nutrients, regulatory factors, organic matter and the like can be respectively played in time and space. Through the design to fertilizer particle structure and formula, the advantages of organic matter, high concentration of inorganic fertilizer, slowly-releasing efficiency and the special effects of beneficial microorganisms are integrated and slowly-releasing water conservation biological organic and inorganic compound fertilizer particles can be the first choice in replacing organic and inorganic compound fertilizers, compound fertilizers and inorganic slow release fertilizers.

The invention discloses an ecological seawater rare fish factorization circulating water aquaculture system which comprises an aquaculture pond, a primary filter tower, an albumen segregator, a primary biological filter tower, a secondary biological filter tower, a tertiary biological filter tower, an algae treating pond, a source water filter pond, a UV (Ultraviolet) sterilizer, a temperature adjusting pond, an arc-shaped sieve, a primary sedimentation pond and a secondary sedimentation pond. A bidirectional drainage system is adopted by the aquaculture pond, the water containing less smaller particles at the lower part of the pond and the water containing more larger particles at the bottom of the pond are respectively drained and then input into different processing units for recycle. Molluscs, sea cucumbers and algae are drawn into aquaculture waste, wastewater disposal and resource utilization by the circulating water aquaculture system, so that the circulating water aquaculture system has an obvious ecological characteristic. The ecological seawater rare fish factorization circulating water aquaculture system has the advantages of high treatment efficiency of aquaculture wastewater and rubbish, simpler equipment, low energy consumption, high backwash efficiency, resource utilization of aquaculture wastewater and rubbish, less circulation supplement water, high treatment efficiency of inorganic nutrient salt in the water and high economic additional value.

The invention provides a method for preparing an organic sustained release fertilizer synergist. The synergist comprises the following components in portion by weight: 25 to 60 portions of organic component, 3 to 15 portions of synergistic component, 10 to 13 portions (solid) and 3.5 to 9 portions (liquid) of sustained release component, 0.5 to 5 portions of trace elements, 18 to 30 portions of inorganic nutrient, and 2 to 7 portions of additive. The synergist is prepared by the method of weighing, mixing, spray granulation and low-temperature drying, wherein the organic component contains 2 to 5 portions of humic acid, 25 to 45 portions of mature garbage or barnyard manure, and 2 to 5 portions of residue of monosodium glutamate and sugar; the synergistic component contains 1 to 3 portions of zeolite, 1 to 5 portions of fly ash, and 2 to 5 portions of synergistic agent; the sustained release component contains 10 to 13 portions of bentonite, 0.02 to 0.1 portion of nitrification inhibitor, and 4 to 8 portions of urease inhibitor (liquid); the trace elements contain 0.1 to 1 portion of zinc sulfate, 0.1 to 1 portion of manganese sulfate, 0.1 to 1 portion of borax, 0.1 to 1 portion of copper sulfate, and 0.1 to 1 portion of ferrous sulfate; the inorganic nutrient contains 6 to 9 portions of urea, 7 to 9 portions of ammonium phosphate, and 5 to 7 portions of potassium sulfate; and the additive contains 2 to 7 portions of plaster. The synergist is suitable for the planting of field crops and forest fruits.

The invention discloses a slow release fertilizer having a soil remediation function. The slow release fertilizer is prepared by mixing fully-biodegradable polyhydroxyalkanoates and organic and inorganic nutrient substances. The fully-biodegradable polyhydroxyalkanoates is slowly degraded under the actions of soil microorganisms to provide nutrient substances needed by the growth of the soil microorganisms so as to promote the ionization effects of the soil microorganisms on heavy metals and release the organic and inorganic nutrient substances by slow degradation so as to promote durable and rapid growth of plants and improve soil remediation efficiency. The invention also discloses a soil contamination remediation method for using the slow release fertilizer. High-efficiency, environmentally-friendly and durable remediation of heavy metal-contaminated soil is realized by planting plants having hyper-accumulation capability to absorb and extract the heavy metals in the soil to which the slow release fertilizer is applied.

The invention discloses a functional bioorganic fertilizer and a semi-organic fertilizer and a preparation method thereof. The method comprises the following steps of: adding microzyme into livestock manure to perform anaerobic and aerobic fermentation; deodorizing, drying and crushing (after biogas slurry of residues after fermentation in a methane tank is separated, the biogas dregs are dried and crushed); adding a certain amount of humic acid, amino acid, borax, ammonium molybdate and zinc sulfate, or also adding nitrogen, phosphor and kalium inorganic nutrients; automatically blending materials by using a computer according to a proportion; after uniformly stirring, granulating by using a granulator, and drying, cooling and screening the grains; and coating a synergist and nitrogen-fixing, phosphorous-dissolving and potassium-releasing composite bacteria on qualified grains to prepare the functional bioorganic and semi-organic fertilizers. The product has the functions of preserving moisture and fertility, resisting drought, coldness, plant diseases and insect pests and the like, improves the soil structure, promoting the proliferation of beneficial microorganisms in soil, jointly participating substance circulation of a soil ecosystem and the like, has quick response and long effect, is mainly used as a base fertilizer for crops to save time and manpower, can realize waste recycling, protects ecological environment, integrates land utilization, land nourishment and land protection, and ensures constant soil productivity.

The invention relates a soil improvement fertilizer containing microorganism, inorganic nutrients, organic matters and a water retention agent, specifically aiming at the saline-alkali soil in Binzhou city, Shandong Province. The organic matters and the water retention agent are beneficial to improving the structure of the soil and increasing the water retention ability effectively, thus providing good growing conditions for the growth of microorganism and crops. Through the complementary mutual benefit of the selected nitrogen-fixing bacteria, photosynthetic bacteria, phosphorus-potassium dissolving bacteria and escherichia coli on metabolism, not only can the addition of an inorganic fertilizer be saved, but also the soil quality not easily utilized in soil can be developed. At the same time, adding different proportions of inorganic nutrients depending on the soil composition can not only acquire the basic nutrients for the crops, but also reduce the waste of nutrients. Long-term application of the fertilizer can improve the soil environment fundamentally, thereby achieving the purpose of transforming the saline-alkali soil.

The invention relates to a preparation method and application of a biological organic-inorganic liquid fertilizer. The biological organic-inorganic liquid fertilizer mainly comprises the following components: a beneficial bacterium with the content of 0.5 to 2 hundred millions per milliliter, nitrogen phosphorus and potassium with the content of 150g / L to 350g / L, organic carbon with the content of 150g / L to 300g / L, and a medium trace element with the content of 1g / L to 20g / L. The preparation method of the biological organic-inorganic liquid fertilizer comprises the following steps of first, carrying out fermentation cultivation on a beneficial microorganism solution, so that the content of an effective bacterium in the beneficial microorganism solution is above 100 hundred millions per milliliter, adding a microbial inoculum vigor-sustaining agent into a bacterium solution, treating the bacterium solution for 2 hours, then adsorbing the bacterium solution which is well treated by using a carrier, and adding the bacterium solution of which the adsorption is completed into the organic-inorganic liquid fertilizer, wherein the organic-inorganic liquid fertilizer needs to be subjected to a reaction in advance, so that inorganic nutrients in the organic-inorganic liquid fertilizer are subjected to an organic reaction, so as to reduce the harm of a high salt to a live bacterium.

The invention relates to an agricultural compound biofertilizer, in particular to a compound biofertilizer capable of improving the physical and chemical properties of soil and improving the yield and quality of agricultural products and a preparation method thereof. The fertilizer contains the following materials in percentage by weight: 30-40% of organic substance, 15-25% of plant straw, 14-15% of mixed biological fermentation bacterium liquid and 30-31% of inorganic nutrient, wherein the biological bacteria used in the invention comprise Rhodopseudomonas palustris, microzyme, azotobacter, phosphorus-solubilizing Bacillus megaterium and silicate bacteria; the organic substance components are humic acid, worm excretion and bean cakes; and the inorganic nutrient comprises N, P and K nutrient. The compound biofertilizer can be applied as basal fertilizer or additional fertilizer, and is applicable to all crops. By using the compound biofertilizer, the yield increase amplitude can be 8-10%.

An in-situ biologic repairing method for the soil polluted by petroleum features that after the fungus-bacteria mixed liquid, soil improver, organic fertilizer and inorganic nutrients are applied to the polluted soil, the soil is irrigated, ploughed, and covered by plastic film.

The invention discloses an organic microorganism-containing ecological fertilizer and a production method thereof. The ecological fertilizer consists of a three-layer structure, an inner layer is made of compound fertilizer granules, an urease inhibitor and nitrification inhibitor coating is used as a middle layer, an outer layer is made of an organic microorganism coating agent prepared by using an active bacteria packing method; and the production method comprises the steps of mixing and granulating, inhibitor coating, and organic microorganism coating. The production method disclosed by the invention is simple, and a prepared ecological fertilizer is complete in nutrients, ensures a high survival rate due to mixed bacterial manures, ensures long survival time of effective living bacteria, has sufficient inorganic nutrients, is convenient to apply, can avoid topdressing, and promotes the development of non-toxic and harmless fertilizers; and the ecological fertilizer has an obvious antagonism effect on continuous cropping pathogenic fungi, therefore, the proliferation of bacteria is effectively promoted, the micro-ecological environment of soil is significantly improved, and after the crops are harvested, the soil is fertile so that next-stubble crops can grow very well.

The invention provides a biological organic / inorganic compound fertilizer. The biological organic / inorganic compound fertilizer contains 30-35% of total nutrients; the nutrient ratio of N to P2O5to K2O is (6-15) to (5-18) to (6-25); the living bacteria count in the bioactive organic insecticide-fertilizer is 50 million / g to 100 million / g; besides, the biological organic / inorganic compound fertilizer contains 15%-25% of organic matters, 0.15-0.20% of nicotine, less than or equal to 3.0% of chloride ions and less than or equal to 12% of moisture, has the fineness of 40-60 meshes and the pH of 6.0-7.0. The preparation method of the biological organic / inorganic compound fertilizer comprises the following steps: adding tobacco stems, cake meal, pig manure, artificial humic acid and a microbial fermentation agent to a mixer, adding water while mixing, and composting the materials for fermentation to obtain the fermented and decomposed materials; next, adding the fermented and decomposed materials, urea, ammonium dihydrogen phosphate, potassium chloride, active carbon nanopowder and a functional microbial agent to the mixer, mixing evenly and crushing, screening to obtain powder and packaging to obtain the biological organic / inorganic compound fertilizer which is high in content of nitrogen, phosphorus and potassium inorganic nutrients and organic matters, and has environment-friendly and insect-resistant effects.

The invention discloses a special saline and alkaline land organic / inorganic compounded fertilizer as well as a preparation method and application thereof. The compounded fertilizer comprises raw materials, namely a mixture 1 and a mixture 2, wherein the weight ratio of the mixture 1 to the mixture 2 is (1.5-3.5):1; the mixture 1 comprises composite charcoal, a biological organic fertilizer, humicacid substances, furfural residues, an improvement preparation and inorganic nutrients which are mixed according to a certain ratio; the mixture 2 comprises a biological organic fertilizer, humic acid substances, furfural residues and water retention aids which are mixed according to a certain ratio. By adopting the product disclosed by the invention, soil structures can be improved, soil porosity can be improved, soil bulk density can be reduced, contents of organic matters in soil can be increased, the cation exchange amount of the soil can be increased, and the pH value of the soil and thetotal amount of water soluble salts in the soil can be reduced. In addition, the fertilizer has functions of slowly releasing acid substances and nutrients, is capable of activating soil, reducing immobilization of soil upon nutrients and increasing the utilization rate of the nutrients, is capable of continuously and stably improving soil, is free of adverse influence upon environments and plants, and is ecological and environmentally friendly.

The invention provides a method for preparing an organic synergistic soil conditioner. The soil conditioner comprises the following components in portion by weight: 30 to 60 portions of organic component, 9 to 23 portions of synergistic component, 10 to 23 portions of conditioning component, and 15 to 30 portions of inorganic nutrient. The soil conditioner is prepared by the method of weighing, mixing, spray granulation and low-temperature drying, wherein the organic component contains 2 to 5 portions of humic acid, 25 to 45 portions of mature garbage or barnyard manure, and 2 to 5 portions of residue of monosodium glutamate and sugar production; the synergistic component contains 1 to 3 portions of zeolite powder, and 8 to 20 portions of synergistic agent; the conditioning component contains 2 to 10 portions of plaster, 9 to 13 portions of bentonite, 4 to 8 portions of polyvinyl alcohol (liquid), and 0.5 to 1.2 portions of starch (liquid); and the inorganic nutrient contains 4 to 7 portions of urea, 7 to 9 portions of ammonium phosphate, 5 to 7 portions of potassium sulfate, and 4 to 6 portions of ammonium sulfate. The preparation method is scientific, reasonable, simple and easy to operate; and the preparation method solves the synergistic effect of soil conditioners, and is suitable for the planting of field crops and forest fruits, in particular suitable for the conditioning of saline-alkali soil. By the determination of the national standard GB18877-2002, various indexes satisfy the national standard, and the content of the humic acid exceeds the standard requirement.

The invention relates to a preparation method of abamectin dreg fertilizer; the method solves the problem that: the existing preparation method of the organic fertilizer affects the content of total nitrogen, total phosphorus and total potassium when reducing the content of inorganic nitrogen, phosphorus and potassium in the fertilizer. The preparation method is characterized in that: the preparation method comprises the following steps: (1) dairy manure, slag, maize straw, ammonium hydrogen carbonate and potassium sulphate are uniformly mixed, composted and fermented; after the fermentation is finished, the dairy manure, the inorganic nutrients of which are fixed by microorganisms is obtained; (2) the abamectin dreg is dried to have 40-55% of the water content; (3) the dairy manure, the inorganic nutrients of which are fixed by microorganisms, the abamectin dreg, humic acid and argil are uniformly mixed and are made into particles, thus obtaining the abamectin dreg fertilizer. The method not only can improve the content of total nitrogen, total phosphorus and total potassium in the organic fertilizer, but also can effectively reduce the content of inorganic nitrogen, phosphorus and potassium in the fertilizer simultaneously; therefore, the produced fertilizer has high content of the total nitrogen, the total phosphorus, the total potassium and organic matters.

The invention discloses a method for producing a liquid water-soluble carbon fertilizer with high-concentration organic waste water and relates to a method for recycling organic waste water. The method comprises the following steps: inputting concentrated nitric acid and hydrogen peroxide from the bottom of a stirring tank which holds high-concentration organic wasted water with a water content of 50-60% and an organic matter content of 20-25% and actuating a stirring paddle which is arranged in the stirring tank, and stirring for 45-60 min to enable the organic macromolecule clusters in the waste water to be rapidly split by strong oxidation into micromolecule clusters; guiding the foams generated by the liquid materials in the stirring tank during the stirring process into a defoaming pool for natural defoaming, and discharging the resulting clear liquid into a heat-dissipation liquid storage tank; discharging the volume-stable hot clear liquid derived from most of the liquid materials in the stirring tank after the stirring operation is completed and the foams disappear into the heat-dissipation liquid storage tank; naturally cooling the hot clear liquid in the heat-dissipation liquid storage tank to produce a liquid water-soluble carbon fertilizer which is completely soluble in water, has strong dispersion and penetration properties and contains 131-171 g / L of carbon. The liquid water-soluble carbon fertilizer is applied to irrigating and rinsing of farm crops or mixed with other inorganic nutrients for pipeline transportation, drip irrigation and spray-application.

The invention provides a continuous cropping resisting biological organic and inorganic compound fertilizer, which mainly contains a multifunctional compound bactericide, an agricultural organic waste fermenting material and an inorganic nutrient additive. The invention also provides a preparation method of the compound fertilizer, comprising the following steps of: respectively preparing the multifunctional compound bactericide, the agricultural organic waste fermenting material and the inorganic nutrient additive; mixing the agricultural organic waste fermenting material, the inorganic nutrient additive and a fertilizer filler according to a certain proportion, crushing to prepare a compound carrier, spraying the multifunctional compound bactericide on the surface of the compound carrier, uniformly mixing and pelleting. The continuous cropping resisting biological organic and inorganic compound fertilizer has chemical nutrients, long-acting of organic fertilizer and biological fertilizer and the function of improving soil, prevents the continuous cropping obstacles through adjusting the micro-ecological environment of soil and has the advantages of low cost, good fertilizer efficiency, high increase production, no pollution and good economic benefit.

The present invention discloses the formulation and use of advanced solid-media chemical compositions in the preferred forms of pellets, tablets, capsules, or other similar forms which are designed and intended to enhance the removal of a broad range of recalcitrant organic and inorganic contaminants from a variety of difficult-to-treat environments, in particular, sediments beneath water bodies, by providing an improved means of promoting the anaerobic, biologically mediated degradation, transformation, and / or detoxification of the contaminants. Specific properties of the pellet, tablets, capsules, or other similar forms of the compositions are disclosed which enable the variation in the settling velocity of the compositions and hence the depth to which the compositions will penetrate the underlying contaminated sediments. The compositions comprise carbonaceous co-substrates, inorganic and organic anaerobic electron acceptors, organic and inorganic nutrients to promote the growth of contaminant-degrading microorganisms, and inoculum of naturally occurring microorganisms which act to promote the biodegradation of contaminants.

The invention relates to a high-efficiency Trichoderma harzianum strain for controlling plant fungus diseases and promoting plant growth. The Trichoderma harzianum strain has been collected at the China General Microbiological Culture Collection Center, and the collection number is CGMCC No.7230. The Trichoderma harzianum strain provided by the invention has the advantages of high capacity for inhibiting plant pathogenic fungus growth, no environment pollution and high ecological safety, can be widely used for controlling plant pathogenic fungi, especially Pythium spp., Fusarium spp. and Botrytis cinerea, and has high application value in biological control on melons, fruits, vegetables and crops. The high-efficiency Trichoderma harzianum strain can be used independently, or used together with other organic and inorganic nutrients required by plant growth; and the prepared biological compound fertilizer has obvious effects on promoting growth, inhibiting premature senility, preventing diseases, increasing yield and improving quality.

The invention provides a method for producing an organic-inorganic compound fertilizer by using a high tower melting granulation process. The method comprises the following steps that a pretreated organic raw material enters into a mixer of a high tower and is mixed and cross-linked with molten urine slurry, a nitrogen raw material, a potassium raw material, a filling material, a phosphorus raw material and a functional material, a resultant is activated and is then emulsified in a slurry emulsifying machine, slurry obtained after emulsification directly enters into a high tower granulator for spray granulation and obtained particles undergo the procedures of cooling, screening and surface treatment so as to obtain the high tower organic-inorganic compound fertilizer. The fertilizer contains, by mass, 20 to 30% of organic matters, 30 to 35% of inorganic nutrients and 0.5 to 5.0% of water. The fertilizer prepared by using the method provided in the invention has the following advantages: the particles of the fertilizer are smooth, round and transparent, have high strength and hardly suffer from efflorescence; production process for the fertilizer enables low energy consumption to be realized and is clean and environment friendly, so the fertilizer belongs to the domain of national low carbon agricultural development strategies.

The invention discloses a plant enzyme foliar fertilizer and a preparation method thereof, relating to the technical field of plant foliar fertilizers. The formula of the enzyme foliar fertilizer comprises the following components in parts by weight: 100 parts of boiled water, 70 parts of brown sugar, 4 parts of soybean, 3 parts of enzyme enlargement bacterium, 1 part of vitamin and 1 part of microelement. The invention perfectly combines organic nutrients and inorganic nutrients, has special effect on the growth, the development, the disease prevention, the pest control, the yield increase and the quality improvement of crops, cannot damage the soil structure of the soil, cannot influence the nutrient components of the crops and makes the crops green. Meanwhile, beneficial microbes like actinomycetes and the like contained in the plant enzyme foliar fertilizer can effectively restrain foliage diseases and reduces the morbidity of the crops.

The invention is directed to an apparatus for delivering activated microorganisms to an environment to be treated. The apparatus has a bioreactor containing microorganisms, a supply of organic and inorganic nutrients and a controller. The controller maintains the conditions of the bioreactor so as to maintain the microorganisms in the exponential phase of growth. Although the apparatus is continuous, the controller also doses a portion of the fluid in the bioreactor to the environment to be treated. The invention also provides a method for the biological treatment of wastes and an organic and inorganic nutrient composition used to feed the microorganisms in the bioreactor.

The present invention relates to microcapsule graphene composite material controlled-release pesticide-fertilizer granules, which comprise mother powder, an inorganic nutrient, an organic matter, an anti-hardening agent and a filler, wherein the mother powder comprises a microcapsule graphene composite material and a pesticide active ingredient, the microcapsule graphene composite material is formed by compounding a polymer compound and graphite powder, and the polymer compound is at least one selected from gelatin, gum arabic, starch, chitosan, alginic acid, methyl cellulose, a carboxymethyl cellulose salt, poly lactic acid, polyamide and polyvinyl alcohol. The preparation method comprises: completely mixing pesticide and graphite powder, crushing, placing the obtained mixture and a polymer compound into a ball mill to grind, carrying out agglomeration, precipitation or polymerization to obtain a mixture of the microcapsule graphene composite material and the pesticide, drying to obtain mother powder, carrying out granulation on the mother powder, an inorganic nutrient, an organic matter and a filler, and spraying an anti-hardening agent on the particles so as to obtain the finished product. According to the present invention, the release is stable, and the problems of fertilizer applying and plant diseases and insect pests of the whole season can be solved with the applying of the granules one time.

The invention discloses a method for preparing liquid biofertilizer through organic waste liquid. The method comprises the following steps: A, primary fermentation; B, high-order oxidation treatment: performing high-order full oxidation treatment on the primary fermentation liquid obtained in the step A through the high-voltage pulse liquid discharge and plasma discharge technologies to prepare a high-activity treating liquid; C, secondary fermentation: supplementing a sufficient silicon source and inorganic nutrients in the high-activity treating liquid obtained in the step B, inoculating a compound microbial agent into the treating liquid to perform secondary fermentation cultivation to prepare a biological bacterium liquid; D, nutrition complexing and mixing: adding a plant growth nutrient and an accelerating agent into the biological bacterium liquid obtained in the step C to prepare the efficient liquid microbe fertilizer. According to the method, complete innocent treatment of the organic waste liquid is realized, and meanwhile, the fertility utilization rate of the organic waste liquid is greatly increased.

The invention belongs to the technical field of organic fertilizer, in particular to an antibacterial type composite biological organic liquid fertilizer, which comprises bacillus subtilis with the capacity of intensively decomposing enzyme and inhibiting bacteria, pseudomonades fluorescens are rhizosphere soil probiotics which can decompose pesticide residues and dissolve insoluble microcosmic salts of the soil, antibiotic actinomycetes secrete antibiotics so as to help to reduce the demand of chemical pesticides, trichoderma not only can prevent a variety of pathogenic bacteria, but also can decompose straw crude fiber so as to improve soil physical property and increase the content of available organic matters in the soil. The product also comprises chitin with the functions of sterilization and growth promotion. The bio-technology components are matched with organic and inorganic nutrients to synthesize a dual-effect novel biological agent with fertilizers and natural bio-fungicides. Therefore, the product is an organic green product and can be widely used for various crops.

The invention provides a synergistic compound fertilizer and a production method thereof. The production method comprises the following steps: firstly producing an alginic acid solution through an enzymatic hydrolysis method, mixing the alginic acid solution with inorganic raw materials according to a certain proportion, granulating through a high tower, and drying by a drum drying machine so as to get a finished product. The content of alginic acid in the product, namely a compound fertilizer synergist provided by the invention is 0.3%-20%, and the total content (calculated by N, P2O5 and K2O) of the inorganic nutrients is 25%-80%. The synergistic compound fertilizer provided by the method disclosed by the invention can significantly improve the quality of crops, is conductive to growth of root systems of the crops and has an important significance in the aspects of improving an ecological environment of farmland, easing the disproportionality of the fertilizer and the like.

A method of using indigenous bacteria to restore oil-contaminated soil is to add mixed indigenous bacteria screened and enriched from oil-contaminated soil to oil-contaminated soil for bioremediation, and the specific steps include: oil-contaminated soil Grinding and sieving pretreatment, using inorganic salt medium to screen and enrich indigenous bacteria from oil-contaminated soil, adding enriched indigenous bacteria to oil-contaminated soil, and adding a certain proportion of inorganic nutrients to oil-contaminated soil Compost after stirring evenly, and plow and water the treated soil regularly. The method can be used for both in-situ remediation and ex-situ remediation of oil-contaminated soil, and can be used for remediation of high-concentration petroleum-contaminated soil and low-concentration petroleum-contaminated soil, and the medicines used are easy to obtain and easy to operate. And the degradation efficiency is high, and will not cause secondary pollution.