CN114456015A - Efficient production method for preparing organic mixed fertilizer by organic biological fermentation - Google Patents
Efficient production method for preparing organic mixed fertilizer by organic biological fermentation Download PDFInfo
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- CN114456015A CN114456015A CN202210138149.0A CN202210138149A CN114456015A CN 114456015 A CN114456015 A CN 114456015A CN 202210138149 A CN202210138149 A CN 202210138149A CN 114456015 A CN114456015 A CN 114456015A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
- C05F17/10—Addition or removal of substances other than water or air to or from the material during the treatment
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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
- 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
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic 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
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
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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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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Tropical Medicine & Parasitology (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an efficient production method for preparing an organic mixed fertilizer by utilizing organic biological fermentation, which relates to the technical field of fertilizer preparation and comprises the following steps: (1) preparing a fermentation substrate; (2) performing primary fermentation treatment; (3) performing secondary fermentation treatment; (4) and preparing a finished product of organic fertilizer. According to the efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation, 1/5 of the primary fermented fertilizer is returned to the fermentation reactor of the previous procedure in the fertilizer preparation process to carry out primary fermentation, 1/4 of the secondary fermented fertilizer is returned to the compost reactor A of the previous procedure to carry out circulating fermentation composting, the fermentation liquor remaining in the fermentation substrate is sent to the compost reactor B to promote secondary composting, on one hand, the fertilizer can be subjected to circulating fermentation composting, on the other hand, the fermentation degree can be promoted when part of the fermented fertilizer is mixed into the fermentation material of the previous procedure, the fermentation efficiency is improved, and the production and preparation of the organic mixed fertilizer are more efficient.
Description
Technical Field
The invention relates to the technical field of fertilizer preparation, in particular to an efficient production method for preparing an organic mixed fertilizer by utilizing organic biological fermentation.
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. The organic fertilizer is mainly from plants and/or animals, is a carbon-containing material which is applied to soil to provide plant nutrition and has the main function, is prepared by processing biological substances, animal and plant wastes and plant residues, eliminates toxic and harmful substances in the organic fertilizer, is rich in a large amount of beneficial substances, and is a main nutrient for green food production.
The existing production method for preparing organic mixed fertilizer by utilizing organic biological fermentation has the defects of single preparation process, incapability of improving the fermentation degree by reasonably and circularly fermenting the fermentation material and insufficient fermentation efficiency for preparing the fertilizer, and therefore, an efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an efficient production method for preparing an organic mixed fertilizer by utilizing organic biological fermentation, and solves the problems in the background technology.
In order to realize the purpose, the invention is realized by the following technical scheme, and the efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation comprises the following steps:
(1) preparing a fermentation substrate;
(2) performing primary fermentation treatment;
(3) performing secondary fermentation treatment;
(4) and preparing a finished product of organic fertilizer.
Further, the efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation comprises the following specific steps:
(1) preparation of fermentation substrate
S1: selecting 20-40 parts of straw, 10-15 parts of rice hull, 10-15 parts of wheat bran and 0.1-0.5 part of beer yeast according to the mass parts;
s2: fully crushing straws, rice husks and wheat bran, adding beer yeast, mixing into a fermentation reactor, fully stirring and adding a certain amount of water;
s3: fermenting at 25-30 deg.C magnetic field for five days to obtain primary fermented product, and performing solid-liquid separation to obtain fermentation matrix and fermentation liquid;
(2) a primary fermentation treatment
S1: selecting 30-50 parts of livestock manure, 8-12 parts of river bottom sludge or marsh humus, 6-10 parts of chicken bone or fishbone powder, 5-8 parts of urea and 1-5 parts of microbial bacteria according to the mass parts;
s2: mixing urea and chicken bone or fishbone powder to obtain a mixture A, and fully mixing the livestock manure and river bottom sludge or marsh humus to obtain a mixture B;
s3: and fully mixing the mixture A and the mixture B, adding a fermentation substrate, uniformly stirring, adding microbial bacteria for mixing, then sending into a composting reactor A, adding a certain amount of water, and introducing oxygen for full fermentation to obtain the primary fermented fertilizer.
Further, in the process of preparing the fermentation substrate in the step (1), the magnetic induction intensity of the magnetic field environment is 15-55Gs, and the time of magnetic induction treatment per day is 2-6 h.
Further, in the process of the primary fermentation treatment in the step (2), 1/5 of the primary fermented fertilizer is returned to the fermentation reactor in the previous process after fermentation for primary fermentation, and the rest 4/5 of the primary fermented fertilizer is taken out and sent to the composting reactor B in the next process for secondary fermentation.
Further, the efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation further comprises the following specific steps:
(3) secondary fermentation treatment
S1: selecting 5-15 parts of plant ash and 8-12 parts of nitrogen-phosphorus-potassium compound fertilizer according to the mass parts, and then mixing the plant ash and the nitrogen-phosphorus-potassium compound fertilizer into the remaining 4/5 primary fermented fertilizer;
s2: and feeding the composite material into a composting reactor B, adding fermentation liquor in primary fermentation, fully mixing, performing secondary fermentation composting, performing primary circulation turning at intervals of 5-10h in the fermentation process, and obtaining secondary fermentation fertilizer after fermentation is completed.
Furthermore, in the process of the secondary fermentation treatment in the step (3), 1/4 of the secondary fermented manure is returned to the composting reactor A in the previous step after fermentation, the secondary fermented manure is subjected to circulating fermentation composting, and the residual 3/4 of the secondary fermented manure is taken out and sent to the next processing step.
Further, the efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation further comprises the following specific steps:
(4) and preparing a finished product of organic fertilizer
And taking out the residual 3/4 secondary fermented fertilizer, performing dry-wet separation, discharging waste liquid, drying, crushing and screening the solid fertilizer, sterilizing after screening, and granulating to obtain the finished product of the organic mixed fertilizer.
The invention provides an efficient production method for preparing an organic mixed fertilizer by organic biological fermentation, which has the following beneficial effects:
according to the efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation, during preparation, straws, rice husks and wheat bran are used as fermentation substrates to contain sufficient organic biological fertilizer, the alternating magnetic field of 15-55Gs can be used for promoting the growth of beer yeast so as to promote the fermentation, when in primary fermentation, livestock manure, river bottom sludge or marsh humus, chicken bones or fish bone powder and urea are added, the pollution is avoided, the environment is greened and protected, a large amount of humic acid is contained in the river bottom sludge or the marsh humus soil so as to improve the soil structure, the chicken bones or the fish bone powder prepared fertilizer can be reused, and contains sufficient phosphorus, nitrogen, calcium and organic matter components, so that the soil fertility can be improved, and the growth is promoted;
the high-efficiency production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation adds the plant ash and the nitrogen-phosphorus-potassium compound fertilizer during the secondary fermentation, can promote the plant growth of crops, enhance the capability of the plants to resist diseases and natural disasters, and can improve the soil structure and enhance the fertility, 1/5 of the primary fermented fertilizer is returned to the fermentation reactor in the previous procedure in the fertilizer preparation process, primary fermentation is carried out, 1/4 of secondary fermentation fertilizer is returned to the composting reactor A in the previous procedure, and (3) performing circulating fermentation composting, and sending the residual fermentation liquid of the fermentation substrate into a composting reactor B to promote secondary composting, so that the compost can be subjected to circulating fermentation composting on the one hand, and the fermented partial fertilizer is mixed into the fermentation material in the previous procedure to promote the fermentation degree, so that the fermentation efficiency is improved, and the production and preparation of the organic mixed fertilizer are more efficient.
Detailed Description
An efficient production method for preparing organic mixed fertilizer by organic biological fermentation comprises the following steps:
(1) preparing a fermentation substrate;
(2) performing primary fermentation treatment;
(3) performing secondary fermentation treatment;
(4) and preparing a finished product organic fertilizer.
The high-efficiency production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation comprises the following specific steps:
(1) preparation of fermentation substrate
S1: selecting 20-40 parts of straw, 10-15 parts of rice hull, 10-15 parts of wheat bran and 0.1-0.5 part of beer yeast according to the mass parts;
s2: fully crushing straws, rice husks and wheat bran, adding beer yeast, mixing into a fermentation reactor, fully stirring and adding a certain amount of water;
s3: fermenting at 25-30 deg.C magnetic field for five days to obtain primary fermented product, and performing solid-liquid separation to obtain fermentation matrix and fermentation liquid;
in the preparation process of the fermentation substrate in the step (1), the magnetic induction intensity of a magnetic field environment is 15-55Gs, and the magnetic induction treatment time per day is 2-6 h;
(2) a primary fermentation treatment
S1: selecting 30-50 parts of livestock manure, 8-12 parts of river bottom sludge or marsh humus, 6-10 parts of chicken bone or fishbone powder, 5-8 parts of urea and 1-5 parts of microbial bacteria according to the mass parts;
s2: mixing urea and chicken bone or fishbone powder to obtain a mixture A, and fully mixing the livestock manure and river bottom sludge or marsh humus to obtain a mixture B;
s3: fully mixing the mixture A and the mixture B, adding a fermentation substrate, uniformly stirring, adding microbial bacteria for mixing, then sending into a composting reactor A, adding a certain amount of water, and introducing oxygen for full fermentation to obtain a primary fermented fertilizer;
in the process of the primary fermentation treatment in the step (2), 1/5 of the primary fermented fertilizer is returned to the fermentation reactor in the previous procedure after fermentation for primary fermentation, and the rest 4/5 of the primary fermented fertilizer is taken out and sent to the composting reactor B in the next procedure for secondary fermentation.
The efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation further comprises the following specific steps:
(3) secondary fermentation treatment
S1: selecting 5-15 parts of plant ash and 8-12 parts of nitrogen-phosphorus-potassium compound fertilizer according to the mass parts, and then mixing the plant ash and the nitrogen-phosphorus-potassium compound fertilizer into the remaining 4/5 primary fermented fertilizer;
s2: feeding the composite material into a composting reactor B, adding fermentation liquor in primary fermentation, fully mixing, performing secondary fermentation composting, performing primary circulation turning at intervals of 5-10h in the fermentation process, and obtaining secondary fermentation fertilizer after fermentation is completed;
in the process of the secondary fermentation treatment in the step (3), 1/4 of the secondary fermented fertilizer is returned to the composting reactor A in the previous procedure after fermentation for circular fermentation composting, and the residual 3/4 of the secondary fermented fertilizer is taken out and sent to the next processing procedure.
The efficient production method for preparing the organic mixed fertilizer by utilizing organic biological fermentation further comprises the following specific steps:
(4) and preparing a finished product of organic fertilizer
And taking out the residual 3/4 secondary fermented fertilizer, performing dry-wet separation, discharging waste liquid, drying, crushing and screening the solid fertilizer, sterilizing after screening, and granulating to obtain the finished product of the organic mixed fertilizer.
In conclusion, the efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation comprises the following specific steps:
(1) preparation of fermentation substrate
Selecting 20-40 parts of straw, 10-15 parts of rice hull, 10-15 parts of wheat bran and 0.1-0.5 part of beer yeast according to the mass parts; fully crushing straws, rice husks and wheat bran, adding beer yeast, mixing into a fermentation reactor, fully stirring and adding a certain amount of water; fermenting for five days in a magnetic field environment at 25-30 ℃, wherein the magnetic induction intensity of the magnetic field environment is 15-55Gs, the magnetic induction treatment time per day is 2-6h, obtaining a primary fermentation product, and then performing solid-liquid separation to obtain a fermentation substrate and a fermentation liquid;
(2) a primary fermentation treatment
Selecting 30-50 parts of livestock manure, 8-12 parts of river bottom sludge or marsh humus, 6-10 parts of chicken bone or fishbone powder, 5-8 parts of urea and 1-5 parts of microbial bacteria according to the mass parts; mixing urea and chicken bone or fish bone powder to obtain a mixture A, and fully mixing the livestock manure with river bottom sludge or marsh humus to obtain a mixture B; fully mixing the mixture A and the mixture B, adding a fermentation substrate, uniformly stirring, adding microbial bacteria for mixing, then sending into a composting reactor A, adding a certain amount of water, and introducing oxygen for full fermentation to obtain a primary fermented fertilizer; 1/5 of the primary fermented fertilizer is returned to the fermentation reactor of the previous process for primary fermentation after fermentation, and the rest 4/5 of the primary fermented fertilizer is taken out and sent to the composting reactor B of the next process for secondary fermentation;
(3) secondary fermentation treatment
Selecting 5-15 parts of plant ash and 8-12 parts of nitrogen-phosphorus-potassium compound fertilizer according to the mass parts, and then mixing the plant ash and the nitrogen-phosphorus-potassium compound fertilizer into the remaining 4/5 primary fermented fertilizer; feeding the composite material into a composting reactor B, adding fermentation liquor in primary fermentation, fully mixing, performing secondary fermentation composting, performing primary circulation turning at intervals of 5-10h in the fermentation process, and obtaining secondary fermentation fertilizer after fermentation is completed; 1/4 of the secondary fermented manure is returned to the composting reactor A of the previous procedure after fermentation for circular fermented composting, and the residual 3/4 of the secondary fermented manure is taken out and sent to the next processing procedure;
(4) and preparing a finished product of organic fertilizer
And taking out the residual 3/4 secondary fermented fertilizer, performing dry-wet separation, discharging waste liquid, drying, crushing and screening the solid fertilizer, sterilizing after screening, and granulating to obtain the finished product of the organic mixed fertilizer.
Claims (7)
1. An efficient production method for preparing an organic mixed fertilizer by utilizing organic biological fermentation is characterized by comprising the following steps:
(1) preparing a fermentation substrate;
(2) performing primary fermentation treatment;
(3) performing secondary fermentation treatment;
(4) and preparing a finished product of organic fertilizer.
2. The efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation as claimed in claim 1, characterized in that the efficient production method for preparing the organic mixed fertilizer by utilizing the organic biological fermentation comprises the following specific steps:
(1) preparation of fermentation substrate
S1: selecting 20-40 parts of straw, 10-15 parts of rice hull, 10-15 parts of wheat bran and 0.1-0.5 part of beer yeast according to the mass parts;
s2: fully crushing straws, rice husks and wheat bran, adding beer yeast, mixing into a fermentation reactor, fully stirring and adding a certain amount of water;
s3: fermenting at 25-30 deg.C magnetic field for five days to obtain primary fermented product, and performing solid-liquid separation to obtain fermentation matrix and fermentation liquid;
(2) a primary fermentation treatment
S1: selecting 30-50 parts of livestock manure, 8-12 parts of river bottom sludge or marsh humus, 6-10 parts of chicken bone or fishbone powder, 5-8 parts of urea and 1-5 parts of microbial bacteria according to the mass parts;
s2: mixing urea and chicken bone or fishbone powder to obtain a mixture A, and fully mixing the livestock manure and river bottom sludge or marsh humus to obtain a mixture B;
s3: and fully mixing the mixture A and the mixture B, adding a fermentation substrate, uniformly stirring, adding microbial bacteria for mixing, then sending into a composting reactor A, adding a certain amount of water, and introducing oxygen for full fermentation to obtain the primary fermented fertilizer.
3. The efficient production method for preparing organic mixed fertilizer by organic biological fermentation according to claim 2, characterized in that: in the preparation process of the fermentation substrate in the step (1), the magnetic induction intensity of the magnetic field environment is 15-55Gs, and the magnetic induction treatment time per day is 2-6 h.
4. The efficient production method for preparing organic mixed fertilizer by organic biological fermentation according to claim 2, characterized in that: in the process of the primary fermentation treatment in the step (2), 1/5 of the primary fermented fertilizer is returned to the fermentation reactor in the previous process after fermentation for primary fermentation, and the rest 4/5 of the primary fermented fertilizer is taken out and sent to the composting reactor B in the next process for secondary fermentation.
5. The efficient production method for preparing organic mixed fertilizer by utilizing organic biofermentation as claimed in claim 1, wherein the efficient production method for preparing organic mixed fertilizer by utilizing organic biofermentation further comprises the following specific steps:
(3) secondary fermentation treatment
S1: selecting 5-15 parts of plant ash and 8-12 parts of nitrogen-phosphorus-potassium compound fertilizer according to the mass parts, and then mixing the plant ash and the nitrogen-phosphorus-potassium compound fertilizer into the remaining 4/5 primary fermented fertilizer;
s2: and feeding the composite material into a composting reactor B, adding fermentation liquor in primary fermentation, fully mixing, performing secondary fermentation composting, performing primary circulation turning at intervals of 5-10h in the fermentation process, and obtaining secondary fermentation fertilizer after fermentation is completed.
6. The efficient production method for preparing organic mixed fertilizer by organic biological fermentation according to claim 5, characterized in that: in the process of the secondary fermentation treatment in the step (3), 1/4 of the secondary fermented fertilizer is returned to the compost reactor A in the previous procedure after fermentation for circular fermentation compost, and the residual 3/4 of the secondary fermented fertilizer is taken out and sent to the next processing procedure.
7. The efficient production method for preparing organic mixed fertilizer by utilizing organic biofermentation as claimed in claim 1, wherein the efficient production method for preparing organic mixed fertilizer by utilizing organic biofermentation further comprises the following specific steps:
(4) and preparing a finished product of organic fertilizer
And taking out the residual 3/4 secondary fermented fertilizer, performing dry-wet separation, discharging waste liquid, drying, crushing and screening the solid fertilizer, sterilizing after screening, and granulating to obtain the finished product of the organic mixed fertilizer.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106431555A (en) * | 2016-08-12 | 2017-02-22 | 东北师范大学 | Method for preparing methane and organic compound fertilizer from plant straws |
| CN106748524A (en) * | 2017-01-11 | 2017-05-31 | 广西南宁奥浦森肥业有限公司 | A kind of biological organic fertilizer and preparation method thereof |
| CN110845276A (en) * | 2019-11-21 | 2020-02-28 | 长治学院 | Processing method of bio-organic fertilizer and bio-organic fertilizer thereof |
| CN111233582A (en) * | 2020-03-18 | 2020-06-05 | 漳州御品茶业有限公司 | Organic fertilizer for organic tea and preparation method thereof |
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- 2022-02-15 CN CN202210138149.0A patent/CN114456015A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431555A (en) * | 2016-08-12 | 2017-02-22 | 东北师范大学 | Method for preparing methane and organic compound fertilizer from plant straws |
| CN106748524A (en) * | 2017-01-11 | 2017-05-31 | 广西南宁奥浦森肥业有限公司 | A kind of biological organic fertilizer and preparation method thereof |
| CN110845276A (en) * | 2019-11-21 | 2020-02-28 | 长治学院 | Processing method of bio-organic fertilizer and bio-organic fertilizer thereof |
| CN111233582A (en) * | 2020-03-18 | 2020-06-05 | 漳州御品茶业有限公司 | Organic fertilizer for organic tea and preparation method thereof |
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Application publication date: 20220510 |