CN112174756A - Organic-inorganic compound fertilizer and preparation method thereof - Google Patents
Organic-inorganic compound fertilizer and preparation method thereof Download PDFInfo
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- CN112174756A CN112174756A CN202011233611.2A CN202011233611A CN112174756A CN 112174756 A CN112174756 A CN 112174756A CN 202011233611 A CN202011233611 A CN 202011233611A CN 112174756 A CN112174756 A CN 112174756A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses an organic-inorganic compound fertilizer which comprises the following raw materials in parts by weight: 40-50 parts of animal waste, 20-30 parts of turf, 20-30 parts of straw, 30-40 parts of urea, 15-20 parts of calcium superphosphate, 10-20 parts of potassium chloride, 10-20 parts of shell powder, 3-5 parts of zinc sulfate, 15-20 parts of humic acid and 1-3 parts of EM (effective microorganism) strain; the preparation method comprises the following steps: (1) weighing the raw materials; (2) mixing animal waste, grass peat and straws uniformly; (3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid and EM strain, stirring well, sealing and fermenting, drying and granulating to obtain the fertilizer. According to the invention, the three active ingredients of organic fertilizer such as animal waste and the like, inorganic fertilizer such as urea and the like and humic acid are mixed together to be compounded and complexed into a whole, so that the finally prepared organic-inorganic compound fertilizer has the advantages of high active ingredient content, element combination, small using amount, good effect, environmental protection and outstanding low-carbon effect.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to an organic-inorganic compound fertilizer and a preparation method thereof.
Background
The fertilizer is a substance which provides one or more nutrient elements necessary for plants, improves the soil property and improves the soil fertility level, and is one of the material bases of agricultural production. At present, two mainstream periods of organic fertilizers and inorganic fertilizers are passed by China, but most of nutrients of the organic fertilizers are absorbed by soil, and the absorption rate of plants is very low, so that the pollution of nitrate and nitrite to the soil, soil hardening and the generation of harmful gases are caused, and the soil is seriously damaged; the inorganic fertilizer improves the crop yield, and simultaneously causes the problems of quality reduction, poor stress resistance, soil degradation, weak soil fertility, reduction of input-output ratio and the like, directly threatens the national food safety and food safety, and has attracted wide attention of the whole society.
At present, organic fertilizers and inorganic fertilizers are combined together to make up for deficiencies, so that the organic fertilizers are the development trend of future fertilizers and the requirement of sustainable development of agriculture, are advocated by Ministry of agriculture and science and education technology for many years, are well welcomed by vast farmers, and are rapidly developed into third-generation mainstream fertilizers. However, most of the organic and inorganic compound fertilizers produced by the prior art have a plurality of serious defects, mainly comprising: (1) the proportion of the auxiliary materials is large, and the contents of effective components such as nitrogen, phosphorus and potassium, organic matters and humic acid which play a role in the growth and development of crops are too low; (2) the effectiveness of organic matters is poor, the application effect is not ideal, and high-content inorganic fertilizers are needed to be matched; (3) the fertilizing amount must be increased to obtain high yield, the energy consumption cost of labor, transportation and production is increased, and the like.
Therefore, the problem to be solved by the technical personnel in the field is how to provide the organic-inorganic compound fertilizer with high content of effective components and reasonable element configuration.
Disclosure of Invention
In view of the above, the present invention aims to provide an organic-inorganic compound fertilizer and a preparation method thereof, so as to solve the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 40-50 parts of animal waste, 20-30 parts of turf, 20-30 parts of straw, 30-40 parts of urea, 15-20 parts of calcium superphosphate, 10-20 parts of potassium chloride, 10-20 parts of shell powder, 3-5 parts of zinc sulfate, 15-20 parts of humic acid and 1-3 parts of EM (effective microorganism) strain;
preferably: 42-48 parts of animal waste, 22-28 parts of turf, 22-28 parts of straw, 32-38 parts of urea, 16-19 parts of calcium superphosphate, 14-18 parts of potassium chloride, 12-18 parts of shell powder, 4-5 parts of zinc sulfate, 16-19 parts of humic acid and 2-3 parts of EM (effective microorganism) strain;
more preferably: 45 parts of animal waste, 25 parts of turf, 25 parts of straw, 35 parts of urea, 18 parts of calcium superphosphate, 15 parts of potassium chloride, 15 parts of shell powder, 4 parts of zinc sulfate, 18 parts of humic acid and 2 parts of EM (effective microorganism) strain.
The organic and inorganic compound fertilizer has the beneficial effects that the three active ingredients, namely the organic fertilizer such as animal wastes, the inorganic fertilizer such as urea and the humic acid, are mixed together to be compounded and complexed into a whole, so that the finally prepared organic and inorganic compound fertilizer has high active ingredient content, low element preparation, low consumption, good effect, environmental protection and outstanding low-carbon effect.
Specifically, the animal manure not only contains three elements of nitrogen, phosphorus and potassium, but also contains trace elements of boron, zinc, molybdenum and the like, and can provide comprehensive nutrition for crops after being applied to soil;
the peat contains a large amount of water, plant residues which are not thoroughly decomposed, humus and a part of mineral substances, so that the water retention, ventilation and fertilizer retention capability of soil can be improved, and the nutrient content can be increased, thereby improving the product quality;
the straws contain more nutrient elements, and the content of biological carbon and biological nitrogen in the soil can be obviously improved by matching with urea;
urea is a nitrogen fertilizer and provides nitrogen element necessary for plant growth;
the superphosphate is used for supplying phosphorus, calcium, sulfur and other elements to plants, and has the function of improving alkaline soil;
the potassium chloride can mainly supplement potassium element of the plant, promote the rigidity and the strength of flowering, fruiting, branch and leaf growth of the plant and improve the disease resistance of the plant;
the shell powder can supplement the shortage of phosphorus in the land;
the zinc sulfate can promote the photosynthesis of crops;
humic acid improves the utilization rate of nitrogen fertilizer, increases the activity of phosphorus element, can absorb and store potassium ions, forms flocculent precipitated gel by interacting with calcium ions in soil, can bond the soil together, changes soil particles into small water and fertilizer reservoirs for water and fertilizer conservation one by one, increases soil gaps, and improves the water and fertilizer conservation capability of the soil.
Further, the animal manure is at least one of cow manure, sheep manure, pig manure, chicken manure and duck manure.
The further technical scheme has the beneficial effects that the animal manure can provide energy and nutrients for the life activities of soil microorganisms after being decomposed, so that the propagation of the soil microorganisms is promoted, and the microorganisms accelerate the decomposition of organic matters through the activities of the microorganisms, so that the nutrients in the soil are enriched; after the manure organic fertilizer is applied to soil, the water, fertilizer, gas and heat conditions of the soil can be effectively improved, so that the soil becomes loose and fertile, and the cultivation and the growth and development of crop roots are facilitated; after organic matters in the fecal organic fertilizer are decomposed, the deep fertilizer supply and acid and alkali resistance of soil can be enhanced, and a good soil condition is created for the growth and development of crops.
Further, the EM strain is at least one of bifidobacterium, lactobacillus, bacillus licheniformis, bacillus subtilis, bacillus mucilaginosus, saccharomycete, actinomycete and acetic acid bacteria.
The beneficial effect of the further technical scheme is that the EM strain can ferment organic materials such as animal wastes and the like to generate the bio-organic fertilizer, wherein the bio-organic fertilizer contains a proper amount of nitrogen, phosphorus, potassium nutrients and medium and trace elements necessary for plant growth, also contains rich organic matters and a large amount of beneficial biological bacteria, and has the effect of improving soil.
A preparation method of an organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight parts of the organic-inorganic compound fertilizer;
(2) mixing animal waste, grass peat and straws uniformly to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid and EM strains into the organic matter material, uniformly stirring, sealing, fermenting, drying and granulating to obtain the organic-inorganic compound fertilizer.
Further, in the step (3), the stirring speed is 100-; sealing and fermenting at 22-30 deg.C for 15-20 days; the drying temperature is 70-80 ℃, and the drying is carried out until the water content is 20-40%; the inlet temperature of the granulation is 150 ℃ to 250 ℃, and the outlet temperature is 60 ℃ to 80 ℃.
The further technical scheme has the beneficial effects that the materials can be uniformly mixed by stirring; through sealed fermentation, organic matters are continuously degraded and stabilized under the action of microorganisms, on one hand, complex organic matters are decomposed into simple substances and finally generate carbon dioxide, water, mineral nutrients and the like, and on the other hand, the organic matters are decomposed and synthesized to generate more complex special organic matters-humus; the granular organic-inorganic compound fertilizer is prepared by drying and pelleting, and is convenient to apply.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the organic-inorganic compound fertilizer contains high-content nitrogen, phosphorus and potassium, high-content effective organic matters, water-soluble micromolecule humic acid and the like, carries huge comprehensive energy, can meet the requirement of high yield of crops, can also meet the requirement of energy on improving quality and enhancing stress resistance, and realizes real high quality, high yield and high benefit;
2. the organic-inorganic compound fertilizer also has the functions of improving soil, fertilizing soil, preventing and controlling continuous cropping obstacles, repairing, preventing and controlling soil degradation and the like.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 40kg of cow dung, 20kg of grass peat, 20kg of straw, 30kg of urea, 15kg of calcium superphosphate, 10kg of potassium chloride, 10kg of shell powder, 3kg of zinc sulfate, 15kg of humic acid, 0.25kg of bifidobacterium, 0.25kg of lactic acid bacteria, 0.25kg of bacillus licheniformis and 0.25kg of bacillus subtilis;
the preparation method of the organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the organic-inorganic compound fertilizer;
(2) uniformly mixing cow dung, grass peat and straws to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid, bifidobacterium, lactobacillus, bacillus licheniformis and bacillus subtilis into an organic material, stirring at a speed of 100r/min for 20min, fermenting at 22 ℃ for 15 days in a sealed manner, drying at 70 ℃ until the water content is 20%, adding an organic fertilizer granulator, setting the inlet temperature to be 150 ℃ and the outlet temperature to be 60 ℃, and granulating to obtain the organic-inorganic compound fertilizer.
Example 2
The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 42kg of sheep manure, 22kg of grass peat, 22kg of straw, 32kg of urea, 16kg of calcium superphosphate, 14kg of potassium chloride, 12kg of shell powder, 4kg of zinc sulfate, 16kg of humic acid, 0.4kg of bifidobacterium, 0.4kg of bacillus mucilaginosus, 0.4kg of yeast, 0.4kg of actinomycetes and 0.4kg of acetic acid bacteria;
the preparation method of the organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the organic-inorganic compound fertilizer;
(2) uniformly mixing sheep manure, grass peat and straws to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid, bifidobacterium, bacillus mucilaginosus, yeast, actinomycetes and acetic acid bacteria into an organic material, stirring at the speed of 100r/min for 20min, fermenting at 22 ℃ for 15 days in a sealed manner, drying at 70 ℃ until the water content is 20%, adding an organic fertilizer granulator, setting the inlet temperature to be 150 ℃ and the outlet temperature to be 60 ℃, and granulating to obtain the organic-inorganic compound fertilizer.
Example 3
The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 45kg of pig manure, 25kg of grass carbon, 25kg of straw, 35kg of urea, 18kg of calcium superphosphate, 15kg of potassium chloride, 15kg of shell powder, 4kg of zinc sulfate, 18kg of humic acid, 0.4kg of bifidobacterium, 0.4kg of bacillus mucilaginosus, 0.4kg of saccharomycete, 0.4kg of actinomycete and 0.4kg of acetic acid bacteria;
the preparation method of the organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the organic-inorganic compound fertilizer;
(2) uniformly mixing pig manure, grass peat and straws to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid, bifidobacterium, bacillus mucilaginosus, yeast, actinomycetes and acetic acid bacteria into an organic material, stirring at the speed of 150r/min for 30min, fermenting at 25 ℃ for 18 days in a sealed manner, drying at 75 ℃ until the water content is 30%, adding an organic fertilizer granulator, setting the inlet temperature to be 200 ℃ and the outlet temperature to be 70 ℃, and granulating to obtain the organic-inorganic compound fertilizer.
Example 4
The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 48kg of chicken manure, 28kg of grass peat, 28kg of straw, 38kg of urea, 19kg of calcium superphosphate, 18kg of potassium chloride, 18kg of shell powder, 5kg of zinc sulfate, 19kg of humic acid, 0.5kg of bifidobacterium, 0.5kg of lactic acid bacteria, 0.5kg of bacillus mucilaginosus, 0.5kg of saccharomycetes, 0.5kg of actinomycetes and 0.5kg of acetic acid bacteria;
the preparation method of the organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the organic-inorganic compound fertilizer;
(2) uniformly mixing the chicken manure, the grass peat and the straws to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid, bifidobacterium, lactobacillus, bacillus mucilaginosus, saccharomycetes, actinomycetes and acetic acid bacteria into an organic material, stirring at the speed of 200r/min for 40min, sealing and fermenting at 30 ℃ for 20 days, drying at 80 ℃ until the water content is 40%, adding an organic fertilizer granulator, setting the inlet temperature to be 250 ℃ and the outlet temperature to be 80 ℃, and granulating to obtain the organic-inorganic compound fertilizer.
Example 5
The organic-inorganic compound fertilizer comprises the following raw materials in parts by weight: 50kg of duck manure, 30kg of grass peat, 30kg of straw, 40kg of urea, 20kg of calcium superphosphate, 20kg of potassium chloride, 20kg of shell powder, 5kg of zinc sulfate, 20kg of humic acid, 0.5kg of bifidobacterium, 0.5kg of lactic acid bacteria, 0.5kg of bacillus mucilaginosus, 0.5kg of saccharomycetes, 0.5kg of actinomycetes and 0.5kg of acetic acid bacteria;
the preparation method of the organic-inorganic compound fertilizer specifically comprises the following steps:
(1) weighing the raw materials according to the weight of the organic-inorganic compound fertilizer;
(2) uniformly mixing the duck manure, the grass peat and the straws to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid, bifidobacterium, lactobacillus, bacillus mucilaginosus, saccharomycetes, actinomycetes and acetic acid bacteria into an organic material, stirring at the speed of 200r/min for 40min, sealing and fermenting at 30 ℃ for 20 days, drying at 80 ℃ until the water content is 40%, adding an organic fertilizer granulator, setting the inlet temperature to be 250 ℃ and the outlet temperature to be 80 ℃, and granulating to obtain the organic-inorganic compound fertilizer.
Performance testing
1. Performance detection
The organic-inorganic compound fertilizers prepared in the examples 1 to 5 are respectively subjected to appearance and total nutrient (N + P) according to the test method and requirements of GB 15063-2O5+K2O) mass fraction,And (3) detecting the performance of percentage of effective phosphorus occupied by water-soluble phosphorus, mass fraction of water and particle size (93.35-5.60 mm).
The measurement results are shown in table 1.
Table 1 examples 1-5 results of measuring properties of composite fertilizers
As can be seen from Table 1, the indexes of the organic-inorganic compound fertilizers prepared in the embodiments 1-5 of the present invention all meet the corresponding requirements of GB 15063-2009 compound fertilizers (compound fertilizers). Among them, example 3 is the most preferable example.
2. Peanut field test
Selecting a certain peanut test field in Zhengzhou city in Henan province, averagely dividing the test field into two parts, recording the two parts as a conventional fertilization area and a test fertilization area, selecting Luhua No. 14 peanut varieties, taking soil samples in the peanut mature period, respectively measuring basic character indexes (organic matter, nitrogen, phosphorus and potassium contents) of the related soil, and counting the acre yield of the peanuts. The measurements and statistics are shown in table 2.
The specific fertilization method of the conventional fertilization area comprises the following steps: inorganic compound fertilizers of 15 percent of nitrogen, phosphorus and potassium produced by stanli company are used as base fertilizers, and urea is used for top dressing once for 10 Kg; the specific fertilization method of the experimental fertilization area comprises the following steps: 40kg of the organic-inorganic compound fertilizer prepared in the embodiment 3 is applied to each mu of land at one time in a base fertilizer mode, and other fertilizers are not applied additionally.
TABLE 2 results of soil basic property determination in conventional fertilization area and test fertilization area
| Measurement index | Organic matter (g/kg) | Nitrogen (%) | Phosphorus (%) | Potassium (%) | Mu yield (kg) |
| Conventional fertilization area | 15.56 | 0.098 | 0.098 | 1.35 | 385 |
| Experimental fertilization district | 24.52 | 0.423 | 0.146 | 2.58 | 526 |
As can be seen from Table 2, the basic character indexes (organic matter content, nitrogen, phosphorus and potassium content) of the soil in the experimental fertilization area are all superior to those in the conventional fertilization area, and the yield is obviously higher than that in the conventional fertilization area.
The tests show that the organic-inorganic compound fertilizer finally prepared by the invention has the advantages of high content of effective components, combined elements, small dosage, good effect, environmental protection and outstanding low-carbon effect.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The organic-inorganic compound fertilizer is characterized by comprising the following raw materials in parts by weight: 40-50 parts of animal waste, 20-30 parts of turf, 20-30 parts of straw, 30-40 parts of urea, 15-20 parts of calcium superphosphate, 10-20 parts of potassium chloride, 10-20 parts of shell powder, 3-5 parts of zinc sulfate, 15-20 parts of humic acid and 1-3 parts of EM (effective microorganism) strain.
2. The organic-inorganic compound fertilizer as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 42-48 parts of animal waste, 22-28 parts of turf, 22-28 parts of straw, 32-38 parts of urea, 16-19 parts of calcium superphosphate, 14-18 parts of potassium chloride, 12-18 parts of shell powder, 4-5 parts of zinc sulfate, 16-19 parts of humic acid and 2-3 parts of EM (effective microorganism) strain.
3. The organic-inorganic compound fertilizer as claimed in claim 2, which is characterized by comprising the following raw materials in parts by weight: 45 parts of animal waste, 25 parts of turf, 25 parts of straw, 35 parts of urea, 18 parts of calcium superphosphate, 15 parts of potassium chloride, 15 parts of shell powder, 4 parts of zinc sulfate, 18 parts of humic acid and 2 parts of EM (effective microorganism) strain.
4. The organic-inorganic compound fertilizer according to any one of claims 1-3, wherein the animal manure is at least one of cow manure, sheep manure, pig manure, chicken manure, and duck manure.
5. The organic-inorganic compound fertilizer according to any one of claims 1 to 3, wherein the EM strain is at least one of Bifidobacterium, lactic acid bacteria, Bacillus licheniformis, Bacillus subtilis, Bacillus mucilaginosus, yeast, actinomycetes and acetic acid bacteria.
6. The preparation method of the organic-inorganic compound fertilizer is characterized by comprising the following steps:
(1) weighing the raw materials according to the weight portion of the organic-inorganic compound fertilizer of any one of claims 1-5;
(2) mixing animal waste, grass peat and straws uniformly to obtain an organic material;
(3) adding urea, calcium superphosphate, potassium chloride, shell powder, zinc sulfate, humic acid and EM strains into the organic matter material, uniformly stirring, sealing, fermenting, drying and granulating to obtain the organic-inorganic compound fertilizer.
7. The method for preparing an organic-inorganic compound fertilizer as defined in claim 6, wherein in the step (3), the stirring speed is 100-200r/min and the time is 20-40 min.
8. The method for preparing an organic-inorganic compound fertilizer according to claim 6, wherein in the step (3), the temperature of the sealed fermentation is 22-30 ℃ and the time is 15-20 days.
9. The method for preparing an organic-inorganic compound fertilizer according to claim 6, wherein in the step (3), the drying temperature is 70-80 ℃ and the drying is carried out until the moisture content is 20-40%.
10. The method for preparing an organic-inorganic compound fertilizer as claimed in claim 6, wherein in the step (3), the inlet temperature of the granulation is 150 ℃ to 250 ℃, and the outlet temperature is 60 ℃ to 80 ℃.
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| CN112759464A (en) * | 2021-03-09 | 2021-05-07 | 九江礼涞生物科技有限公司 | Method for preparing organic fertilizer by adding straws into chicken manure |
| CN112930997A (en) * | 2021-01-22 | 2021-06-11 | 生态环境部南京环境科学研究所 | Method for rapidly recovering barren mountain vegetation |
| CN113336602A (en) * | 2021-07-28 | 2021-09-03 | 广西易邦科技有限公司 | Novel fertilizer containing lysozyme |
| CN113480361A (en) * | 2021-07-29 | 2021-10-08 | 中国农业科学院农业资源与农业区划研究所 | Organic-inorganic compound fertilizer and preparation method thereof |
| CN113603524A (en) * | 2021-07-12 | 2021-11-05 | 应城市新都化工复合肥有限公司 | Compound fertilizer and preparation method thereof |
| CN116375532A (en) * | 2022-12-16 | 2023-07-04 | 湖南省辰河生态农业科技股份有限公司 | Organic-inorganic compound fertilizer manufacturing process |
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| CN112759464A (en) * | 2021-03-09 | 2021-05-07 | 九江礼涞生物科技有限公司 | Method for preparing organic fertilizer by adding straws into chicken manure |
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| CN113336602A (en) * | 2021-07-28 | 2021-09-03 | 广西易邦科技有限公司 | Novel fertilizer containing lysozyme |
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