930results about How to "Good fertilizer effect" patented technology

The invention discloses a particle-typed composite fertilizer of humic acid and manufacturing method, which consists of dressing and karyosome, wherein the dressing contains nitrogen, phosphor and potassium. The manufacturing method comprises the following steps: graining humic acid; cladding; graining; solidifying fused fertilizer on the particle of humic acid; making the composite fertilizer dissolved into water without falling; fitting for large scale of agricultural product.

The invention relates to a group of alive microbial preparations for preparing compound microbial fertilizer and the preparation method thereof. The alive microbial preparations include a microbial inoculant and an organic material degradation agent. The microbial inoculant includes Bacillus megaterium, Bacillus licheniformis, Bacillus mucilaginosus, Bacillus laterosporus, Azotobocter chroococcum, etc. The organic material degradation agent includes Bacillus megaterium, Bacillus licheniformis, Bacillus subtilis, Bacillus circulans, Saccharomyces cerevisiae, Candida lipolytica, Bacillus pumilus, Bacillus cereus, Streptomyces griseus, Pseudomonas alcaligenes, Pseudomonas cepacia, Streptococcus salivarius subsp. Thermophilus, Geobacillus stearothermophilus, Streptomyces Thermophilus, Geotrichum candidum and Aspergillus oryzae. The preparation method comprises the following steps: carrying out submerged fermentation, directly mixing the bacterial liquids and stirring to obtain a liquid preparation; or mixing with an absorbent to obtain a solid preparation. The alive microbial preparations have the advantages of improving soil fertility, promoting plant growth, enhancing anti-disease, anti-insect and anti-drought capacities of plants, improving quality of agricultural products and so on.

The invention discloses a matrix produced by using vinegar residue for greening and a production process thereof, belongs to soil for greening projects and a manufacturing method, and aims at the problems that the vinegar residue matrix in the prior art has insufficient stacked fermentation, and the vinegar residue and the mushroom residue are difficult to process in factories in batch and cannot realize commercial production. The process comprises the following steps: adding bacteria into the vinegar residue serving as a main material and plant ash serving as an auxiliary material and mixing the materials, then performing primary (aerobic) fermentation, adding 6 to 8 percent of vermiculite, 10 to 15 percent of perlite and 15 to 20 percent of mushroom residue into the mixture, and performing secondary post (corrosion) fermentation to obtain granular matrix of which the organic substance content is no less than 50 percent, the soluble ion concentration EC value is 1 to 3mS / cm, the pH is 5.5 to 6.5, the venting gap is 25 percent (V) and the water holding gap is 50 percent (V). Through trial, the matrix has loose and ventilated texture, obviously reduces the soil volume weight around flowers and plants, improves water retention, fertility retention and air permeability of the soil, has the function of improving a soil micro-zone environment around the plants, and develops an important path for avoiding environment pollution and changing waste into valuable for factory batch treatment of the vinegar residue and the mushroom residue and realization of commercial production.

The present invention is process of twice fermenting garbage-sludge mixture to produce microbial fertilizer. The production process can eliminate environment pollution caused garbage and sludge while providing environment friendly efficient microbial fertilizer. The produced microbial fertilizer has high fertility, beneficial bacteria content up to 10<8>-10<10> / g and various bioactive matters. The produced microbial fertilizer can promote the growth of crop, strengthen the disease resistance of crop and raise yield of crop.

The invention discloses a method for preparing a bio-organic fertilizer by utilizing eupatorium adenophorum, and in particular provides a method for preparing a bio-organic fertilizer by using the eupatorium adenophorum as the main raw material, wherein the bio-organic fertilizer can kill eupatorium adenophorum seeds and eliminate poisonous components. The method comprises the following steps of: (1) crushing eupatorium adenophorum straws into powder; (2) mixing the crushed powder with high-temperature microbial strains, adding clear water, and then uniformly stirring the prepared mixed material; (3) stacking the stirred mixed material to be stripped, and carrying out aerobic fermentation for promoting the composting of the mixed material; and turning the stack once at a periodic interval to improve the ventilation condition in the stack; (4) maintaining the temperature of the stack of the mixed material over 58 DEG C; and (5) drying the mixed material after the stack of the mixed material ferments for the set time. By using the method, allelopathic effect active ingredients in the eupatorium adenophorum raw material are controlled, the eupatorium adenophorum seeds in the raw material are killed, and the produced fertilizer has nontoxicity, a good fertilizer effect and low production cost.

The invention discloses a method to prepare leaven of fertilizer and application, which is characterized by the following: allocating raw material with mass ratio at 10-80 wt industrial residue of ferment, 5-30 wt straw, 5-30 wt cake meal, 10-30 wt bran or rice bran, 1.5-2 wt aquacare, 0.5-1 wt NaCl and or amylaceum, and 1-30 wt brown ball Azotobacter (Azotobacter chroococcum), 1-30 wt bacillus megaterium (Bacillus megaterium), 1-30 wt bacillus licheniformis (Bacillus licheniformis), 1-30 wt plant lactobacillus (Lactobacillus plantarum) and 1-30 wt 1-5 strain of saccharomycopsis fibuligera (Saccharomycopsis fibuligera); producing the product.

The invention provides a composite amino acid ecological nutritious agent, which comprises sea weed fermentation liquor, fermentation liquor of animal leftover bits and pieces, trace elements, and biological bacterium. The functions of the agent include stimulating growth, suppressing pathogenic agent and reinforcing immunization.

The invention provides a water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer comprises, by weight, 15-25 parts of a water soluble humic acid salt, 18-25 parts of urea, 9-15 parts of dipotassium hydrogen phosphate, 8-13 parts of potassium acetate, 0.5-2 parts of borax, 0.1-10 parts of polyglutamic acid, 1-5 parts of rhamnolipid, 5-10 parts of a hydroxymethyl cellulose aqueous solution and 30-40 parts of water. The water soluble fertilizer has humic acid content greater than or equal to 150g / L. The invention also provides a preparation method of the water soluble fertilizer containing high-concentration humic acid. The preparation method comprises the following steps of 1, carrying out heating stirring of the water soluble humic acid salt and water to obtain a humic acid salt solution, 2, adding dipotassium hydrogen phosphate, potassium acetate, borax, polyglutamic acid, rhamnolipid and urea into the humic acid salt solution, and carrying out heating stirring to obtain a mixed solution, and 3, carrying out emulsification of the hydroxymethyl cellulose aqueous solution and the mixed solution to obtain the water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer has obvious fertilizer efficiency, is environmentally friendly, stable and uniform and has a wide application range.

The invention relates to the technical field of harmless treatment of polluted soil microorganisms. In particular, it relates to a microbial harmless treatment method for oil and gas field drilling waste mud. Aspergillus oryzae, Bacillus subtilis, Pseudomonas fluorescens, Acinetobacter calcoacetate and Rhodococcus erythrococcus are respectively cultured in test tubes, shake flasks, Seed tank culture, fermenter culture, and sterilized solid medium culture become solid bacterial agents for production, which are mixed in proportion to solid mixed bacterial agents for production, and the bacterial agents are connected to oil and gas fields to discharge waste mud during drilling, and after uniform stirring, Control the cultivation temperature and time of the microbial harmless treatment of mud, and the above treatment process can be carried out in the abandoned mud pool for drilling in oil and gas fields. Through the growth, reproduction, degradation and transformation of microorganisms in waste mud, the mud can be detoxified, degummed, desalinated and dehydrated, so that the polluted soil environment can be biorestored and the ecological environment can be restored.

This invention provides a biochemical organic fertilizer containing rich active humid acid, N, P and K necessary for plants combined with biobacteriums and its production method, in which, the technical target of the fertilizer is: NPK 4-14%, organic matters 30-50%, available active bacteriums 0.2-1.0x108 / g, microelements 2-6%, active humid acid 10-20% and amino acid 2-5%. The production method includes: activation and biochemical process of organic materials, granulation, drying, cooling, screening, enveloping and measuring and packaging.

The invention discloses a high-efficiency multi-bacterial activity biogas residue biofertilizer and a preparation method thereof, and relates to the field of farm fertilizers. The biofertilizer is prepared by mixing and granulating 44 to 54 weight parts of biogas residue, 10 to 15 weight parts of potassium chloride, 10 to 15 weight parts of humic acid, 0.4 to 0.6 part of secondary and micro-element, 0.4 to 0.6 weight part of microbe, 5 to 10 weight parts of urea, 10 to 15 weight parts of monoammonium phosphate and 5 to 10 weight parts of ammonium chloride. The high-efficiency multi-bacterial activity biogas residue biofertilizer has the characteristics of better multiple bacteria co-existing environment, stronger bioactivity, higher fertilizer efficiency, complete organic matters, effective micropopulations and chemical nutrients, controlled-release effect and the like, can be used as a fertilizer for rice, also can be used as a fertilizer for Upland food crops, vegetables, melons and fruits and fruit trees, and can improve the fertility of land and the utilization rate of the fertilizer, improve the quality of agricultural products, enhance plant diseases and insect pest resistance and drought resistance, purify and repair soil and the like after being applied.

The invention discloses a compound water soluble fertilizer used for citrus crops, a preparation method and an application method. The compound water soluble fertilizer used for citrus crops is mainly used in plant nutrition field, and comprises the following components: an amino acid raw material, macroelements P and K, secondary elements Mg and Ca, trace elements Fe, Mn, Zn, B, Mo and Cu, a beneficial element Si, an auxiliary agent, a PH conditioning agent and an aqueous solution. The preparation method is characterized in that composite amino acid chelates Mn, Fe, Cu, Mg, Ca and Zn at normal temperature of 15-35 DEG C and prepares the water soluble fertilizer with six metallic elements, the reasonable fertilizing can be carried out at different growth period of the crops, the balance supplement of a plurality of nutrient elements required by citrus crops can be realized, and the output and quality of the citrus crops can be increased.

The re-mixed maggot dung fertilizer is produced through regulating the water content of swine waste to about 70 % and setting inside a plastic basin, inoculating maggot and culturing at 25-30 deg.c temperature and 60-70 % relative humidity for 3-4 days and separating maggot to obtain maggot dung; crushing maggot dung in 1000 kg; crushing ammonium sulfate 260 kg, calcium superphosphate 180 kg, potassium chloride 58 kg and dicyan diamide 0.5 kg; mixing all the materials, pelletizing, drying and sieving to obtain the re-mixed maggot dung fertilizer with total amount of nitrogen fertilizer, phosphate fertilizer and potash fertilizer in 16 % and organic substances in 20 %. The present invention has the advantages of obvious fertilizer effect, capacity of reducing the amount of applied inorganic fertilizer, best utilization of maggot raising waste, low production cost, etc.

The invention discloses a method for preparing a high-efficient microbial organic fertilizer and inorganic compound fertilizer containing the high-efficient microbial organic fertilizer. The invention adopts waste organic materials which are widely available and rich in resources to strengthen fertilizer effect by adding a plurality of beneficial ecological floras so as to eliminate pollution. The invention has the advantages of simple production technology, easy operation, less device investment and energy source conservation. The products are friendly to environment from production to use, thereby facilitating the sustainable development of agricultural production.

The invention discloses an amino acid bioorganic fertilizer as well as a preparation method and the use of the fertilizer and belongs to the field of bioorganic fertilizer production and application. The amino acid bio-organic fertilizer is prepared from the following components: organic substances, fermentation materials, compound functional microorganisms, compound amino acids and medium trace elements. The invention also discloses a method for preparing the amino acid bioorganic fertilizer. The method comprises the steps of grinding the organic substances and then evenly mixing the ground organic substances with the fermentation materials, the compound functional microorganisms, the compound amino acids and the medium trace elements, and then drying and packaging to obtain the fertilizer. The amino acid bioorganic fertilizer is capable of effectively improving the soil structure, increasing the soil granular structure and the organic matter content, improving soil fertility and remarkably increasing the crop yield and the crop quality, and has the remarkably effects of soil improvement, fertilization, production increase and conditioning, and the like.

The invention discloses a fertilizer special for high-quality high-yield southern citrus and a preparation method thereof and relates to the field of agricultural fertilizers. The fertilizer is formed by mixing and granulating the following components in parts by weight: 25-35 parts of organic matters, 17-23 parts of calcium, 16-20 parts of urea, 6-10 parts of monoammonium phosphate, 10-14 parts of potassium sulfate, 2-4 parts of talcum powder, 0.4-0.6 part of trace elements, 6-10 parts of humic acid, 0.4-0.6 part of microorganism and 1 part of coating cementing agent. The fertilizer provided by the invention has the characteristics that the fertilizer is green and environment-friendly, is suitable for being applied to the southern citrus and can promote the high quality and the high yield of the southern citrus. The fertilizer provided by the invention can be used as a basic fertilizer for the southern citrus in winter, and can also be used as a basic fertilizer for vegetables, flowers, melons and fruits, teas and other fruit trees in winter.

The invention discloses an organic pepper substrate cultivation method and belongs to the field of vegetable cultivation. The method includes the following steps of cultivation substrate preparation, variety selection, seedling sowing, cultivation management, disease, pest and weed control and harvesting. According to the organic pepper substrate cultivation method, substrates are easy to prepare, the sources of raw materials are wide, the effect of fertilizers is good, the method is suitable for large-scale production of organic peppers, the cultivation modes of greenhouse cultivation and field cultivation can be chosen according to the actual situation, the production process is in full compliance with national organic product certification standards, products can be sold as organic vegetables in the market after a 3-year transition period, the occurrence of diseases and pests is low in the production process, the products are high in yield and good in quality, the food safety is guaranteed, and the economic input-output ratio is high.

The invention discloses fertilizer special for hybrid rice, which is prepared by barnyard manure, humic acid, bamboo charcoal, medical stone, biological bacterium, ammonium bicarbonate, calcium superphosphate, potassium chloride, bean pulp, cellulose glycolate, 35% sulfuric acid, lime, zinc sulfate, ferrous sulfate, sodium borate, nano iron ore milltailings powder, eucalypt saw dust, nano river sand powder and vegetable oil according to a certain weight proportion, wherein amino acid is generated by acid hydrolysis feather; secondary elements are chelated with microelements; a chelation structure is added to the cellulose glycolate, which is benefit to effectively use the secondary elements and the microelements; unavailable release of the secondary elements and the microelements is reduced; according to a formula of the invention, inorganic slow release component medical stone and soil improvement component bamboo charcoal are increased, thus, soil can be improved; the fertilizer is released effectively and is absorbed by crops completely; biological pesticide component can effectively reduce soil pest and disease damage according to the eucalypt saw dust and is safe and pollution-free and has no pollution to environment and the crops; according to the invention, the fertilizer is characterized by reasonable formula, more comprehensive and balanced nutrition, good use effect and can increase fertilizer utilization rate obviously; thus, output and quality of the hybrid rice are improved greatly so as to increase economic benefit of the hybrid rice.

The invention discloses an artificial cultivation method of wild pinellia. The method includes the steps of land selection, land preparation, seed selection, seed soaking, timely seeding, field management, prevention and control of plant diseases and insect pests, harvesting, treating and the like. A self-prepared plant ash soaking solution is adopted for seed soaking, a good growing environment can be provided for pinellia tubers, plant diseases and insect pests can be reduced, and survival rate can be improved. A soil conditioner is applied during land preparation and base fertilizer applying, the soil conditioner can improve soil, break soil hardening, loosen soil, increase organic matters in the soil and promote soil microorganism activity, and can decompose animal and plant residues and trace metal elements in the soil to convert the same into nutrients of plants, serve as fertilizer, improve disease resistance of pinellia and promote quick growing of the pinellia. The artificial cultivation method is simple and easy to implement, simple and convenient in management, easy for growers to operate and implement, suitable for large-scale cultivation, high in yield and good in quality and completely meets market requirements.

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 invention discloses a biological organic fertilizer which is composed of the following raw materials in parts by weight: 20-25 parts of chicken manure, 10-15 parts of cattle manure, 10-15 parts of sheep manure, 12-15 parts of peat soil, 6-10 parts of animal bone meal, 4-6 parts of animal wool meal, 4-6 parts of leaves, 6-8 parts of mushroom dregs, 0.01-0.03 part of copper oxide, 0.01-0.03 part of iron oxide, 0.01-0.03 part of magnesium, 2-4 parts of humic acid, 0.01-0.03 part of rhizobia, 0.03-0.06 part of azotobacteria, 0.01-0.03 part of phosphobacteria, 0.01-0.03 part of potassium bacteria, 2-4 parts of straws, 1-3 parts of egg-shell meal, 1-2 parts of rice chaff, 0.5-0.8 part of glucose and 0.05-0.08 part of borax. The invention also discloses a preparation method of the biological organic fertilizer. The biological organic fertilizer has high fertilizing capability, improves loose soil and protects ecological balance.

The invention discloses an organic-inorganic compound fertilizer for landscape greening plants and a preparation method of the compound fertilizer. The organic-inorganic compound fertilizer for landscape greening plants is prepared from the following raw materials in parts by weight: 45-65 parts of municipal sludge, 20-30 parts of coconut oil cake, 10-15 parts of corncob, 16-22 parts of furfural residue, 12-18 parts of beer grain meal, 10-15 parts of edible mushroom leftovers, 7-13 parts of pepper meal, 5-10 parts of bits of wood, 4-8 parts of coal slag, 5-10 parts of waste molasses, 8-14 parts of spoiled milk, 10-15 parts of bamboo shoot shell, 5-10 parts of wormcast, 6-12 parts of volcanic mud, 5-10 parts of sea mud, 4-8 parts of medical stone powder, 3-5 parts of germanium stone powder, 9-18 parts of modified attapulgite, 5-10 parts of turfy soil, 4-8 parts of paper ash, 3-6 parts of crab shell powder, 10-15 parts of carbamide, 5-10 parts of monoammonium phosphate, 8-16 parts of calcium superphosphate and 2-4 parts of potassium chloride. The compound fertilizer has more nutrient elements, balanced in nutrient and capable of remarkably improving the utilization rate of the fertilizer and the rapid growth of the plants. The compound fertilizer also has the characteristics of stable, long and comprehensive fertilizer efficiency and has functions of improving soil properties, improving the soil fertility and reducing soil-borne disease; after the fertilizer is applied for one time, the demands of the plants on various nutrients can be met, so that the fertilizer does not need to be applied repeatedly, thus the labor cost is saved.

The invention discloses a crop compost and a preparation method thereof. The crop compost is prepared by the following method: (1) mixing manure, straw and straw charcoal in the weight ratio of 1:0.2:0.1:0.3; and (2) conducting composting fermentation on the mixed materials with ventilation rate of 0.01-0.05m<3>.h<-1>.kg<-1> for 14 to 20 days and discharging. The crop compost prepared by the invention is supplemented with straw charcoal, has significantly improved contents of water-soluble salt, total nitrogen and rapid available phosphorus and excellent fertilizer efficiency, and is applicable to farmland.

The comprehensive utilization method of pulping potash black liquor in paper-making process can eliminate pollution, low pollution treating cost and result in high economic benefit. The method includes extracting pulp-making black liquor, neutralizing its alkali with H3OP4 and HNO3 to prepare liquid fertilizer; regulating nutrients, pH regulation and fermentation to produce alcohol or feed protein, mixing the residue with other fertilizer, trace elements, organic matter, etc. to prepare composite fertilizer; adding azotobacteria, phosphate decomposing bacteria, etc. and fermentation to prepare liquid biological fertilizer or inoculating agent; and solid-liquid separation to prepare liquid fertilizer, solid fertilizer or composite fertilizer.

The invention relates to the technical field of biological fertilizers, in particular to a biological organic fertilizer and a method for preparing the same. The biological organic fertilizer is mainly made of raw materials including, by weight, 50-80 parts of animal feces, 40-60 parts of crop straw, 10-25 parts of wheat bran, 5-20 parts of peanut bran, 10-30 parts of rice bran, 10-25 parts of biogas residues, 15-30 parts of plant ash, 2-10 parts of brown sugar, 1-5 parts of microbial nutrient solution and 1-10 parts of starter culture. The biological organic fertilizer and the method have the advantages that soil properties of soil can be improved, the resource utilization rates can be increased, and the biological organic fertilizer and the method are environmentally friendly and are free of pollution; abundant balanced nutrition can be provided for crops, accordingly, the yield of the crops can be effectively increased, and the quality of the crops can be effectively improved.

The invention discloses a saline-alkali land improving and fertilizing agent and a preparation method thereof. The saline-alkali land improving and fertilizing agent are mainly prepared from 20 to 40 portions of fly ash, 10 to 20 portions of humic acid and 5 to 10 portions of organic substance through processes of crushing, matching and mixing, granulating, drying, cooling, sieving, magnetizing and the like. Compared with the prior art, a product of the invention has the advantages of short period for improving the saline-alkali land, high efficiency and low cost; if 50 kilograms of product is applied to each acre as base fertilizer, the seedling emergence rate of planted crops can reach 98 percent, for example, 406 kilograms of wheat is harvested in each acre and is equal to the planting harvest of the normal soil, and after the harvest, the salt content of the soil is 0.55 percent and the desalination rate reaches 47 percent through soil measurement, so that the soil granule structure is improved; and the product can reduce the salt and restrain the alkali, is soil improvement agent, also can be used as fertilizer, reduces the planting cost, has the same using method as a common fertilizer when the product is used as the fertilizer, has remarkable fertilizer efficiency in saline-alkali and poor soil, and can increase the yield by 10 to 30 percent relative to different crops compared with the used common fertilizer. Therefore, the saline-alkali land improving and fertilizing agent not only can improve the soil granule structure, but also can accelerate the improvement of soil desalination; meanwhile, the saline-alkali land improving and fertilizing agent is fertilizer, greatly reduces the planting cost of peasants, and improves the planting income of the peasants.

The invention discloses a synergist of a functional fertilizer, comprising the following raw materials by weight: 0-150 portions of compound amino acid, 0-24 portions of plant growth regulator, 0-18 portions of synergistic sodium, 0-18 portions of a-nafusaku, 0-3 portions of antidote, 0-4 portions of pesticide, 0-600 portions of magnesium sulfate, 0-600 portions of nano calcium, 0-10 portions of zinc sulfate, 0-5 portions of ammonium molybdate, 0-15 portions of boric acid, 0-364 portions of adsorbent and 193-800 portions of bond. The preparation method comprises the following steps according to three proportions: adding water for mixing, rubbing, cutting, pelletizing, polishing, drying, cooling and screening, and then mixing the screened products with particle diameter less than 1 mm madeby three different proportions after equal part measuring by a computer, measuring, packaging and obtaining products. The invention can be used after mixing with a normal fertilizer easily and is suitable for various crops and soils, climates and different ways of fertilizing, thereby reducing the use level of the fertilizer and improving the utility ratio of the fertilizer. The invention has theadvantages of low use level, quick returns, stable fertilizer effect and long duration.

The invention discloses a powder element fertilizer as well as a preparation method and application method thereof. The method is characterized by comprising the following steps: uniformly mixing a soluble trace element fertilizer, a citrate-soluble trace element fertilizer, an acidifier and an anticaking agent to obtain a mixture, grinding and screening the mixture until the particle size is less than 150 meshes, thereby obtaining the powder trace element fertilizer; and coating seeds or other granular fertilizers with the powder trace element fertilizer. Compared with the prior art, the technique enhances the dispersion uniformity of the minor elements in soil and the absorption and utilization efficiency of the seeds for the minor elements, implements unification of the short-term fertilizer efficiency and long-term fertilizer efficiency, and reduces the problem of caking of the powder product in the use process.

The invention discloses a phosphorus and calcium type efficient and refined multiple-strain microbial organic fertilizer and a preparation method thereof, relating to the field of agricultural fertilizer. The microbial organic fertilizer is prepared by the following components in parts by weight: 44-54 parts of organic matter wastes, 10-15 parts of potassium chloride, 10-15 parts of humic acid, 0.4-0.6 part of intermediate trace elements, 0.4-0.6 part of microorganism, 5-10 parts of urea, 5-15 parts of superphosphate and 5-15 parts of diammonium phosphate (DAP) through the steps of mixing and pelletizing. The microbial organic fertilizer has the characteristics of good multi-bacteria symbiotic environment, stronger bioactivity, high fertilizer efficiency, full range of organic matters, effective micropopulation and chemical nutrients and controlled release effects. When in use, the phosphorus and calcium type efficient and refined multiple-strain microbial organic fertilizer in the invention can enhance the soil fertility, improve the fertilizer utilization rate, improve agricultural product quality, enhance plant diseases and insect pest resistance and drought resistance, inhibit crops from absorbing harmful substances such as heavy metals, pesticide and the like, purify and restore soil and the like, and is suitable for various crops and soils.

An economical environmental-friendly composite fertilizer containing active sludge is disclosed. The fertilizer is characterized in that: the fertilizer is prepared from following raw materials by weight in part: 55-59 of oil tea cake, 40-44 of peanut bran, 39-43 of paulownia saw dust, 40-45 of straw powder, 50-55 of chicken manure, 9-11 of kaolin, 3-5 of humic acid, 2-4 of fern root powder, 7-9 of an EM bacterial agent, 8-9 of potassium salt of fulvic acid, 1-2 of ferric sulfate, 20-24 of the active sludge, 10-14 of calcium superphosphate, 25-29 of urea, 6-8 of a soil conditioning agent and a proper amount of water; the fertilizer is economical and environmental friendly; the active sludge is fermented into organic fertilizers and is cooperated with inorganic element fertilizers, the fertilizer efficacy is good, and the fertilizer can increase the crop yield and effectively improve the soil quality; the soil conditioning agent is added, and therefore the fertilizer has functions of promoting efficacy and promoting plant nutrition absorption; and urea melting coating is adopted so that the slow release effects are significant and the fertilizer efficacy is durable.