CN115093264A - Selenium-rich organic water-soluble fertilizer and preparation method thereof - Google Patents
Selenium-rich organic water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN115093264A CN115093264A CN202210798993.6A CN202210798993A CN115093264A CN 115093264 A CN115093264 A CN 115093264A CN 202210798993 A CN202210798993 A CN 202210798993A CN 115093264 A CN115093264 A CN 115093264A
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- selenium
- soluble fertilizer
- organic water
- rich organic
- manure
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- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 50
- 239000011669 selenium Substances 0.000 title claims abstract description 50
- 239000003337 fertilizer Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000010871 livestock manure Substances 0.000 claims abstract description 70
- 210000003608 fece Anatomy 0.000 claims abstract description 54
- 229940091258 selenium supplement Drugs 0.000 claims abstract description 50
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 38
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 38
- 239000011573 trace mineral Substances 0.000 claims abstract description 24
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 244000144972 livestock Species 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- BVTBRVFYZUCAKH-UHFFFAOYSA-L disodium selenite Chemical compound [Na+].[Na+].[O-][Se]([O-])=O BVTBRVFYZUCAKH-UHFFFAOYSA-L 0.000 claims abstract description 18
- 230000000813 microbial effect Effects 0.000 claims abstract description 18
- 244000144977 poultry Species 0.000 claims abstract description 18
- 229960001471 sodium selenite Drugs 0.000 claims abstract description 18
- 239000011781 sodium selenite Substances 0.000 claims abstract description 18
- 235000015921 sodium selenite Nutrition 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 30
- 239000002609 medium Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 20
- 238000000855 fermentation Methods 0.000 claims description 14
- 230000004151 fermentation Effects 0.000 claims description 14
- 241000228245 Aspergillus niger Species 0.000 claims description 10
- 240000006439 Aspergillus oryzae Species 0.000 claims description 10
- 235000002247 Aspergillus oryzae Nutrition 0.000 claims description 10
- 244000063299 Bacillus subtilis Species 0.000 claims description 10
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 241000272525 Anas platyrhynchos Species 0.000 claims description 9
- 241000287828 Gallus gallus Species 0.000 claims description 9
- 241000235342 Saccharomycetes Species 0.000 claims description 6
- 229920001817 Agar Polymers 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 239000008272 agar Substances 0.000 claims description 5
- 238000012258 culturing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000001963 growth medium Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000003895 organic fertilizer Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- 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
-
- 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
-
- 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
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
A selenium-rich organic water-soluble fertilizer and a preparation method thereof, comprises 60-80 parts of bean dregs, 220 parts of livestock manure 190-containing materials, 5-8 parts of microbial agents, 1.5-3 parts of sodium selenite and 15-18 parts of chelated medium trace elements. The bean dregs and the livestock and poultry manure are fermented by using the microbial agent, and on the basis, the sodium selenite is introduced, so that the selenium content in the organic fertilizer is effectively improved. The selenium-rich organic water-soluble fertilizer disclosed by the invention is a liquid organic fertilizer, can be mixed with water in any proportion, is low in cost and simple and convenient to operate, and accords with sustainable development.
Description
Technical Field
The invention belongs to the technical field of organic fertilizers, and particularly relates to a selenium-rich organic water-soluble fertilizer and a preparation method thereof.
Background
Selenium is a trace element necessary for human bodies, and proper selenium supplement can not only prevent tumor and liver diseases, but also improve the immunity of organisms, maintain the normal functions of important organs such as heart, liver, lung, stomach and the like, and prevent the occurrence of senile cardiovascular and cerebrovascular diseases. Because selenium cannot be synthesized in a human body, people need to supplement selenium every day in order to meet the requirement of the human body on selenium. Plants are the main source of selenium supplementation for humans, and the selenium in plants comes from the soil.
When the selenium content of soil is lower, the selenium-rich fertilizer is often required to be applied to the soil, common selenium-rich fertilizers are mostly chemical fertilizers, and although the chemical fertilizers can improve the yield of crops in a short period, the long-term application of the chemical fertilizers can cause certain damage to the soil, so that organic matters in the soil are lost, the soil structure is damaged, and the damage of soil hardening is faced.
Disclosure of Invention
The invention provides a selenium-rich organic water-soluble fertilizer and a preparation method thereof, which are used for overcoming the defects in the prior art.
A selenium-rich organic water soluble fertilizer and a preparation method thereof, which comprises 60 to 80 parts of bean dregs, 190 parts of livestock manure, 220 parts of microbial agent, 1.5 to 3 parts of sodium selenite and 15 to 18 parts of chelated medium trace elements.
The bean dregs are fresh wet bean dregs.
The livestock manure comprises any one of pig manure, cow manure, duck manure and chicken manure or a mixture of any two or more of the pig manure, the cow manure, the duck manure and the chicken manure which are mixed in any proportion.
The microbial agent comprises the following components in parts by weight of 1: 1: 3: 4 aspergillus oryzae, aspergillus niger, bacillus subtilis and saccharomycetes.
The chelated medium trace elements comprise the following components in parts by weight: 5: 2: 1, chelating phosphorus, chelating potassium, chelating silicon and chelating iron.
The preparation method of the selenium-rich organic water-soluble fertilizer comprises the following steps:
the method comprises the following steps: accurately weighing bean dregs, livestock and poultry manure, a microbial agent, sodium selenite and chelated medium and trace elements;
step two: inoculating the aspergillus oryzae and aspergillus niger weighed in the step one to the same agar slant culture medium, culturing for 24-26h at 30 ℃, and shaking and washing mature spores by using a proper amount of water to obtain a mixture of the spores and the water;
step three: mixing the sterilized bean dregs with the mixture of the spores and the water obtained in the step two, uniformly stirring, and fermenting at 28-30 ℃ for 24-48h to obtain fermented bean dregs;
step four: mixing the sterilized livestock and poultry manure with bacillus subtilis and saccharomycetes, uniformly stirring, and fermenting in a closed container for 16-18 hours at the fermentation temperature of 60-65 ℃ to obtain fermented livestock and poultry manure;
step five: mixing fermented bean dregs with fermented livestock and poultry manure, and fermenting in a closed container for 3-5 hours at 55-65 ℃ to obtain a fermented mixture;
step six: and D, squeezing and filtering the fermentation mixture obtained in the fifth step by using a plate-and-frame filter press, separating filtrate and filter residue, and adding sodium selenite and chelated medium and trace elements into the obtained filtrate to obtain the selenium-enriched organic water-soluble fertilizer.
And (4) uniformly mixing the filter residue obtained in the sixth step with a proper amount of water, and adding the mixture into the fifth step to participate in the preparation of a new round of selenium-rich organic water-soluble fertilizer.
The invention has the advantages that: the bean dregs and the livestock manure are fermented by the microbial agent, so that the recovery treatment of the livestock manure is realized, the waste of the livestock manure is changed into valuable, and the organic fertilizer easy to be absorbed by crops is converted. On the basis, the sodium selenite is introduced, so that the selenium content in the organic fertilizer is effectively improved. The chelated medium trace elements can provide necessary medium and trace elements for crops and promote the growth of the crops. The selenium-rich organic water-soluble fertilizer disclosed by the invention is a liquid organic fertilizer, can be mixed with water in any proportion, is low in cost and simple and convenient to operate, and accords with sustainable development.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but 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: a selenium-rich organic water-soluble fertilizer comprises 60 parts of bean dregs, 200 parts of livestock and poultry manure, 5 parts of microbial agent, 1.5 parts of sodium selenite and 16 parts of chelated medium and trace elements.
The bean dregs in the embodiment are fresh wet bean dregs.
The livestock manure in the embodiment includes any one of pig manure, cow manure, duck manure and chicken manure or a mixture of any two or more of the pig manure, the cow manure, the duck manure and the chicken manure mixed in any proportion.
The microbial agent described in this embodiment includes 1: 1: 3: 4 aspergillus oryzae, aspergillus niger, bacillus subtilis and microzyme.
The chelated medium trace elements comprise, by weight, 6: 5: 2: 1, chelating phosphorus, chelating potassium, chelating silicon and chelating iron.
The preparation method of the selenium-rich organic water-soluble fertilizer comprises the following steps:
the method comprises the following steps: accurately weighing bean dregs, livestock and poultry manure, a microbial agent, sodium selenite and chelated medium and trace elements;
step two: inoculating the aspergillus oryzae and aspergillus niger weighed in the step one to the same agar slant culture medium, culturing at 30 ℃ for 24 hours, and then shaking and washing mature spores by using a proper amount of water to obtain a mixture of the spores and the water;
step three: mixing the sterilized bean dregs with the mixture of the spores obtained in the second step and water, uniformly stirring, and fermenting at 30 ℃ for 36 hours to obtain fermented bean dregs;
step four: mixing the sterilized livestock manure with bacillus subtilis and saccharomycetes, uniformly stirring, and fermenting in a closed container at 60 ℃ for 18 hours to obtain fermented livestock manure;
step five: mixing the fermented bean dregs with fermented livestock and poultry manure, and fermenting in a closed container for 3 hours at the fermentation temperature of 60 ℃ to obtain a fermentation mixture;
step six: and D, squeezing and filtering the fermentation mixture obtained in the fifth step by using a plate-and-frame filter press, separating filtrate and filter residue, and adding sodium selenite and chelated medium and trace elements into the obtained filtrate to obtain the selenium-enriched organic water-soluble fertilizer.
And D, uniformly mixing the filter residue obtained in the sixth step with a proper amount of water, and adding the mixture into the fifth step to participate in the preparation of a new round of selenium-rich organic water-soluble fertilizer.
Example 2: a selenium-rich organic water-soluble fertilizer comprises 70 parts of bean dregs, 195 parts of livestock and poultry manure, 7 parts of microbial agent, 2 parts of sodium selenite and 17 parts of chelated medium and trace elements.
The bean dregs in the embodiment are fresh wet bean dregs.
The livestock manure in the embodiment includes any one of pig manure, cow manure, duck manure and chicken manure or a mixture of any two or more of the pig manure, the cow manure, the duck manure and the chicken manure mixed in any proportion.
The microbial agent described in this embodiment includes 1: 1: 3: 4 aspergillus oryzae, aspergillus niger, bacillus subtilis and microzyme.
The chelated medium trace elements comprise, by weight, 6: 5: 2: 1, chelating phosphorus, chelating potassium, chelating silicon and chelating iron.
The preparation method of the selenium-rich organic water-soluble fertilizer comprises the following steps:
the method comprises the following steps: accurately weighing bean dregs, livestock and poultry manure, a microbial agent, sodium selenite and chelated medium and trace elements;
step two: inoculating the aspergillus oryzae and the aspergillus niger weighed in the step one to the same agar slant culture medium, culturing at 30 ℃ for 26 hours, and then washing mature spores by shaking with a proper amount of water to obtain a mixture of the spores and the water;
step three: mixing the sterilized bean dregs with the mixture of the spores and the water obtained in the step two, uniformly stirring, and fermenting at 28 ℃ for 48 hours to obtain fermented bean dregs;
step four: mixing the sterilized livestock manure with bacillus subtilis and saccharomycetes, uniformly stirring, and fermenting in a closed container at 65 ℃ for 16 hours to obtain fermented livestock manure;
step five: mixing the fermented bean dregs with fermented livestock and poultry manure, and fermenting for 4 hours in a closed container at the fermentation temperature of 65 ℃ to obtain a fermentation mixture;
step six: and D, squeezing and filtering the fermentation mixture obtained in the fifth step by using a plate-and-frame filter press, separating filtrate and filter residue, and adding sodium selenite and chelated medium and trace elements into the obtained filtrate to obtain the selenium-enriched organic water-soluble fertilizer.
And D, uniformly mixing the filter residue obtained in the sixth step with a proper amount of water, and adding the mixture into the fifth step to participate in the preparation of a new round of selenium-rich organic water-soluble fertilizer.
Example 3: a selenium-rich organic water-soluble fertilizer comprises 80 parts of bean dregs, 190 parts of livestock and poultry manure, 7 parts of a microbial agent, 2 parts of sodium selenite and 17 parts of chelated medium and trace elements.
The bean dregs in the embodiment are fresh wet bean dregs.
The livestock manure in the embodiment includes any one of pig manure, cow manure, duck manure and chicken manure or a mixture of any two or more of the pig manure, the cow manure, the duck manure and the chicken manure mixed in any proportion.
The microbial agent described in this embodiment includes 1: 1: 3: 4 aspergillus oryzae, aspergillus niger, bacillus subtilis and microzyme.
The chelated medium trace elements described in this embodiment include, by weight, 6: 5: 2: 1, chelating phosphorus, chelating potassium, chelating silicon and chelating iron.
The preparation method of the selenium-rich organic water-soluble fertilizer comprises the following steps:
the method comprises the following steps: accurately weighing bean dregs, livestock and poultry manure, a microbial agent, sodium selenite and chelated medium and trace elements;
step two: inoculating the aspergillus oryzae and the aspergillus niger weighed in the step one to the same agar slant culture medium, culturing at 30 ℃ for 26 hours, and then washing mature spores by shaking with a proper amount of water to obtain a mixture of the spores and the water;
step three: mixing the sterilized bean dregs with the mixture of the spores obtained in the second step and water, uniformly stirring, and fermenting at 30 ℃ for 48 hours to obtain fermented bean dregs;
step four: mixing the sterilized livestock manure with bacillus subtilis and saccharomycetes, uniformly stirring, and fermenting in a closed container at the fermentation temperature of 65 ℃ for 16 hours to obtain fermented livestock manure;
step five: mixing the fermented bean dregs with fermented livestock and poultry manure, and fermenting in a closed container for 3 hours at the fermentation temperature of 65 ℃ to obtain a fermentation mixture;
step six: and D, squeezing and filtering the fermentation mixture obtained in the fifth step by using a plate-and-frame filter press, separating filtrate and filter residue, and adding sodium selenite and chelated medium and trace elements into the obtained filtrate to obtain the selenium-enriched organic water-soluble fertilizer.
And D, uniformly mixing the filter residue obtained in the sixth step with a proper amount of water, and adding the mixture into the fifth step to participate in the preparation of a new round of selenium-rich organic water-soluble fertilizer.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A selenium-rich organic water-soluble fertilizer and a preparation method thereof are characterized in that: comprises 60-80 parts of bean dregs, 220 parts of livestock excrement 190-containing materials, 5-8 parts of microbial agents, 1.5-3 parts of sodium selenite and 15-18 parts of chelated medium trace elements.
2. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 1, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: the bean dregs are fresh wet bean dregs.
3. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 1, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: the livestock manure comprises any one or a mixture of more than two of pig manure, cow manure, duck manure and chicken manure mixed in any proportion.
4. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 1, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: the microbial agent comprises the following components in parts by weight: 1: 3: 4 aspergillus oryzae, aspergillus niger, bacillus subtilis and microzyme.
5. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 1, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: the chelated medium trace elements comprise the following components in parts by weight: 5: 2: 1, chelating phosphorus, chelating potassium, chelating silicon and chelating iron.
6. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 1, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: the preparation method of the selenium-rich organic water-soluble fertilizer comprises the following steps:
the method comprises the following steps: accurately weighing bean dregs, livestock and poultry manure, a microbial agent, sodium selenite and chelated medium and trace elements;
step two: inoculating the aspergillus oryzae and the aspergillus niger weighed in the step one to the same agar slant culture medium, culturing for 24-26h at 30 ℃, and then shaking and washing mature spores by using a proper amount of water to obtain a mixture of the spores and the water;
step three: mixing the sterilized bean dregs with the mixture of the spores obtained in the second step and water, uniformly stirring, and fermenting at 28-30 ℃ for 24-48h to obtain fermented bean dregs;
step four: mixing the sterilized livestock and poultry manure with bacillus subtilis and saccharomycetes, uniformly stirring, and fermenting in a closed container for 16-18 hours at the fermentation temperature of 60-65 ℃ to obtain fermented livestock and poultry manure;
step five: mixing fermented bean dregs with fermented livestock and poultry manure, and fermenting in a closed container for 3-5 hours at 55-65 ℃ to obtain a fermented mixture;
step six: and D, squeezing and filtering the fermentation mixture obtained in the fifth step by using a plate-and-frame filter press, separating filtrate and filter residue, and adding sodium selenite and chelated medium and trace elements into the obtained filtrate to obtain the selenium-enriched organic water-soluble fertilizer.
7. The selenium-rich organic water-soluble fertilizer and the preparation method thereof according to claim 6, wherein the selenium-rich organic water-soluble fertilizer comprises the following components: and D, uniformly mixing the filter residue obtained in the sixth step with a proper amount of water, and adding the mixture into the fifth step to participate in the preparation of a new round of selenium-rich organic water-soluble fertilizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210798993.6A CN115093264A (en) | 2022-07-08 | 2022-07-08 | Selenium-rich organic water-soluble fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210798993.6A CN115093264A (en) | 2022-07-08 | 2022-07-08 | Selenium-rich organic water-soluble fertilizer and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431738A (en) * | 2016-08-26 | 2017-02-22 | 广西鑫雅皇庭园林工程有限责任公司 | Selenium-enriched bio-organic fertilizer |
| CN109867569A (en) * | 2019-04-23 | 2019-06-11 | 山东中创亿***料集团有限公司 | A kind of selenium-rich type microbial-bacterial fertilizer and preparation method thereof |
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- 2022-07-08 CN CN202210798993.6A patent/CN115093264A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106431738A (en) * | 2016-08-26 | 2017-02-22 | 广西鑫雅皇庭园林工程有限责任公司 | Selenium-enriched bio-organic fertilizer |
| CN109867569A (en) * | 2019-04-23 | 2019-06-11 | 山东中创亿***料集团有限公司 | A kind of selenium-rich type microbial-bacterial fertilizer and preparation method thereof |
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