CN107915514A - A kind of preparation method of biogas slurry shield flower phylactocarp agent - Google Patents
A kind of preparation method of biogas slurry shield flower phylactocarp agent Download PDFInfo
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- CN107915514A CN107915514A CN201711102766.0A CN201711102766A CN107915514A CN 107915514 A CN107915514 A CN 107915514A CN 201711102766 A CN201711102766 A CN 201711102766A CN 107915514 A CN107915514 A CN 107915514A
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- biogas slurry
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- phylactocarp
- flower
- biogas
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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
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Ecology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Soil Sciences (AREA)
- Wood Science & Technology (AREA)
- Botany (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses the preparation method that a kind of biogas slurry protects flower phylactocarp agent, it is characterised in that including following aspect:(1)Secondary filtration, is passed through by-pass filtration pond and secondary filtration pond by biogas manure and filters, add strainer filtering after clay stirring thereto;(2)Fermentation, is put into sealing pond by rough biogas slurry and adds mix bacterium agent, and timing is passed through air and ferments;(3)Acidification, into fermentation biogas slurry being separately added into sodium hydroxide solution and hydrochloric acid solution adjusts biogas slurry pH value, then to adding sodium selenate processing;(4)Prepare, acidifying biogas slurry is placed in centrifuge processing, then adding mixed vitamin, propylene vinegar and collagen to biogas slurry supernatant is stirred;(5)Homogenization, biogas slurry mixed liquor is stirred and isothermal holding;(6)Application method, is first cleaned in flowering of plant or while bearing fruit with 75% ethanol, is then protected flower phylactocarp agent using biogas slurry and is sprayed.
Description
Technical field
The invention belongs to the process and utilization technology field of biogas slurry, and in particular to a kind of preparation side of biogas slurry shield flower phylactocarp agent
Method.
Background technology
Biogas slurry carries out the transparency liquid that is formed after anaerobic fermentation for organic matter, due to organic matter through a long time fermentative degradation,
Make containing components such as abundant amino acid, carbohydrate, plant hormone, plant acid and antibiotic in biogas slurry, available in agricultural production
Seed soaking, soil and fertilizer, foliar fertilizer etc., you can effectively solves the problems, such as a large amount of methane liquids processing in biogas production not, reduction pair
The secondary pollution of environment, and bud ratio, the speed of growth and the yield of seed can be improved, planting cost is reduced, improves plantation
The economic benefit at family, realizes the increasing both production and income of peasant household and the improvement of life in the countryside environment.Biogas slurry is directly applied into plant flowers
Phase and fruiting period, occur both effectiveness relatively low phenomenon in shield flower phylactocarp, are matched by feed liquid, the factor such as fermentation time is influenced, and cause
Nutritional ingredient and other active constituent contents are relatively low in reset condition biogas slurry, and carry out biogas life using organic waste
Production, wherein can the harmful substance such as energy content heavy metal, biogas slurry can be influenced and use the effect of property.
The content of the invention
The present invention is directed to the problem of existing:Biogas slurry is directly applied into plant florescence and fruiting period, can be gone out in shield flower phylactocarp
Existing both effectiveness relatively low phenomenon, is matched, the factor such as fermentation time is influenced by feed liquid, causes in reset condition biogas slurry nutritional ingredient and its
His active constituent content is relatively low, and carries out biogas production using organic waste, wherein can energy content heavy metal etc. have
Evil material, can influence biogas slurry and use the effect of property.To solve the above problems, the present invention provides a kind of biogas slurry to protect flower phylactocarp agent
Preparation method.
The present invention is achieved by the following technical solutions:
A kind of preparation method of biogas slurry shield flower phylactocarp agent, comprises the following steps:
(1)Secondary filtration:4-6h is staticly settled after biogas manure is passed through the sealing of by-pass filtration pond, it is then laggard by strainer filtering
Enter secondary filtration pond, add clay stirring 20-30min thereto, then sealing and standing 6-8h, be made thick after strainer filtering
Biogas slurry processed, can reduce impurity content in biogas slurry, improve biogas slurry purity;
(2)Fermentation:Rough biogas slurry is passed through to the mix bacterium agent for sealing pond and adding its quality 3%-4%, and periodically to sealing Chi Zhongtong
Entering air to ferment, temperature is 27-30 DEG C, time 72-80h, can improve the degradation of organic matter in biogas slurry, and to complete
The components such as nitrogen, ammonium nitrogen are cured, and are then concentrated into the 1/3 of original volume, and fermentation biogas slurry is made;
(3)Acidification:The sodium hydroxide solution of its quality 3%-5% is added into fermentation biogas slurry, is stood after being stirred, then to
Hydrochloric acid solution is added in biogas slurry of fermenting and adjusts biogas slurry pH value to 6.0-6.5 scopes, then to adding biogas slurry quality 0.3%-0.5%
Sodium selenate, be filtered to remove precipitation after standing, acidifying biogas slurry be made;The Harmful ingredient content such as heavy metal in biogas slurry can be reduced, is protected
Hold effective Ingredients Active;
(4)Prepare:Acidifying biogas slurry is placed in centrifuge processing 10-12min, biogas slurry supernatant is obtained, then adds to biogas slurry supernatant
Enter mixed vitamin, propylene vinegar and collagen, improve the inoxidizability and film forming of biogas slurry, be stirred, biogas slurry is made
Mixed liquor;
(5)Homogenization:Biogas slurry mixed liquor is stirred into 25-28min under 200-230r/min rotating speeds, then heats to 52-56
DEG C sealed thermal insulating 2-3h, promotes mutually to merge between each component of biogas slurry, improves the uniformity of component distributing in biogas slurry, biogas slurry is made
Shield flower phylactocarp agent;
(6)Application method:Flowering of plant or when bearing fruit first with 75% ethanol to flower or fruit sprinkling cleaning, play cleaning and sterilization
Effect, reduces pest and disease damage rate, then protects flower phylactocarp agent using biogas slurry and is sprayed, the florescence sprayed 1 time per 3-4 days, and fruiting period is per 8-
Spray 1 time within 10 days, flowering time can be extended, improve the percentage of fertile fruit and fruit quality of plant.
Step(1)The filter screen, wherein by-pass filtration pond filter screen are 120 mesh, and secondary filtration pond filter screen is 200
Mesh.
Step(1)The clay, its addition are the 2%-4% of biogas slurry quality.
Step(2)The mix bacterium agent, wherein photosynthetic bacteria:Sulfobacillus:Azotobacter chroococcum quality proportioning is 1:2-3:
5-7;Described is passed through air, is passed through 1 time/4h of the frequency, is passed through time 12-14min.
Step(3)The sodium hydroxide solution, its mass concentration are 3%-4%;The hydrochloric acid solution, its mass concentration
For 1.5%-2%.
Step(4)The mixed vitamin, wherein vitamin A:Vitamin C:Vitamin E quality proportioning is 2:3-4:1,
Its addition is the 4%-6% of acidifying biogas slurry quality;The propylene vinegar and collagen, its addition are respectively to be acidified biogas slurry
The 3%-4% of quality.
The present invention has the following advantages compared with prior art:Secondary filtration, biogas manure is stood through two-stage, is filtered, can be subtracted
Solid residue in few biogas slurry, adding clay can make residue in biogas slurry form floccule precipitation.Fermentation, adds mix bacterium agent and carries out
Fermentation, can further degrade organic principle in biogas slurry, and the components such as full nitrogen, ammonium nitrogen are cured, reduce nutrition into
Divide loss.Acidification, is handled biogas slurry using sodium hydroxide solution, hydrochloric acid solution and sodium selenate, can make weight in biogas slurry
Metal etc. keeps biogas slurry pH value 6.0-6.5 to improve active ingredient activity in biogas slurry into fractional precipitation.Preparation method, uses
Centrifuge processing remove biogas slurry in precipitated impurities, in supernatant add mixed vitamin can improve biogas slurry antioxygenic property and
Nutrient composition content;And the adhesion property and film forming of biogas slurry can be increased by adding propylene vinegar and collagen, in flower after sprinkling
Protective layer is formed with fruit surface, extends flowering time, improves percentage of fertile fruit and yield.Homogenization, stirring and heat preserving mode can
Promote mutually to merge between each component of biogas slurry, improve the uniformity of component distributing in biogas slurry.Application method, first using 75% ethanol
Flower and fruit are sprayed, plays the role of cleaning and sterilization, the pest and disease damage rate of fruit can be reduced, natural pond periodically is used to flower and fruit
Liquid shield flower phylactocarp agent sprinkling, can extend flowering time, improve the percentage of fertile fruit and fruit quality of plant.
Embodiment
Embodiment 1:
A kind of preparation method of biogas slurry shield flower phylactocarp agent, comprises the following steps:
(1)Secondary filtration:4.5h is staticly settled after biogas manure is passed through the sealing of by-pass filtration pond, it is then laggard by strainer filtering
Enter secondary filtration pond, add clay stirring 23min thereto, then sealing and standing 7h, is made rough natural pond after strainer filtering
Liquid, can reduce impurity content in biogas slurry, improve biogas slurry purity;
(2)Fermentation:Rough biogas slurry is passed through to the mix bacterium agent for sealing pond and adding its quality 3.2%, and timing is passed through into sealing pond
Air ferments, and temperature is 28 DEG C, time 74h, can improve the degradation of organic matter in biogas slurry, and to full nitrogen, ammonium state
The components such as nitrogen are cured, and are then concentrated into the 1/3 of original volume, and fermentation biogas slurry is made;
(3)Acidification:The sodium hydroxide solution of its quality 3.4% is added into fermentation biogas slurry, is stood after being stirred, then to
Hydrochloric acid solution is added in biogas slurry of fermenting and adjusts biogas slurry pH value to 6.0-6.5 scopes, then to the selenium for adding biogas slurry quality 0.4%
Sour sodium, is filtered to remove precipitation after standing, and acidifying biogas slurry is made;The Harmful ingredient content such as heavy metal in biogas slurry can be reduced, is maintained
Imitate Ingredients Active;
(4)Prepare:Acidifying biogas slurry is placed in centrifuge processing 11min, obtains biogas slurry supernatant, is then added to biogas slurry supernatant mixed
Vitamin, propylene vinegar and collagen are closed, the inoxidizability and film forming of biogas slurry is improved, is stirred, biogas slurry mixing is made
Liquid;
(5)Homogenization:Biogas slurry mixed liquor is stirred into 26min under 210r/min rotating speeds, then heats to 53 DEG C of sealed thermal insulatings
2.5h, promotes mutually to merge between each component of biogas slurry, improves the uniformity of component distributing in biogas slurry, and biogas slurry shield flower phylactocarp is made
Agent;
(6)Application method:Flowering of plant or when bearing fruit first with 75% ethanol solution to flower or fruit sprinkling cleaning, play cleaning
Bactericidal effect, reduces pest and disease damage rate, then protects flower phylactocarp agent using biogas slurry and is sprayed, every 3 days of florescence sprayed 1 time, fruiting period every 9
Its sprinkling 1 time, can extend flowering time, improve the percentage of fertile fruit and fruit quality of plant.
Step(1)The filter screen, wherein by-pass filtration pond filter screen are 120 mesh, and secondary filtration pond filter screen is 200
Mesh.
Step(1)The clay, its addition are the 2.7% of biogas slurry quality.
Step(2)The mix bacterium agent, wherein photosynthetic bacteria:Sulfobacillus:Azotobacter chroococcum quality proportioning is 1:2:6;
Described is passed through air, is passed through 1 time/4h of the frequency, is passed through time 13min.
Step(3)The sodium hydroxide solution, its mass concentration are 3.1%;The hydrochloric acid solution, its mass concentration
For 1.6%.
Step(4)The mixed vitamin, wherein vitamin A:Vitamin C:Vitamin E quality proportioning is 2:3:1, its
Addition is the 4.3% of acidifying biogas slurry quality;The propylene vinegar and collagen, its addition are respectively to be acidified biogas slurry matter
The 3.2% of amount.
Embodiment 2:
(1)Secondary filtration:5.5h is staticly settled after biogas manure is passed through the sealing of by-pass filtration pond, it is then laggard by strainer filtering
Enter secondary filtration pond, add clay stirring 27min thereto, then sealing and standing 7.5h, be made rough after strainer filtering
Biogas slurry, can reduce impurity content in biogas slurry, improve biogas slurry purity;
(2)Fermentation:Rough biogas slurry is passed through to the mix bacterium agent for sealing pond and adding its quality 3.8%, and timing is passed through into sealing pond
Air ferments, and temperature is 29 DEG C, time 77h, can improve the degradation of organic matter in biogas slurry, and to full nitrogen, ammonium state
The components such as nitrogen are cured, and are then concentrated into the 1/3 of original volume, and fermentation biogas slurry is made;
(3)Acidification:The sodium hydroxide solution of its quality 4.5% is added into fermentation biogas slurry, is stood after being stirred, then to
Hydrochloric acid solution is added in biogas slurry of fermenting and adjusts biogas slurry pH value to 6.0-6.5 scopes, then to the selenium for adding biogas slurry quality 0.5%
Sour sodium, is filtered to remove precipitation after standing, and acidifying biogas slurry is made;The Harmful ingredient content such as heavy metal in biogas slurry can be reduced, is maintained
Imitate Ingredients Active;
(4)Prepare:Acidifying biogas slurry is placed in centrifuge processing 12min, obtains biogas slurry supernatant, is then added to biogas slurry supernatant mixed
Vitamin, propylene vinegar and collagen are closed, the inoxidizability and film forming of biogas slurry is improved, is stirred, biogas slurry mixing is made
Liquid;
(5)Homogenization:Biogas slurry mixed liquor is stirred into 27min under 220r/min rotating speeds, then heats to 55 DEG C of sealed thermal insulatings
3h, promotes mutually to merge between each component of biogas slurry, improves the uniformity of component distributing in biogas slurry, and biogas slurry shield flower phylactocarp agent is made;
(6)Application method:Flowering of plant or when bearing fruit first with 75% ethanol solution to flower or fruit sprinkling cleaning, play cleaning
Bactericidal effect, reduces pest and disease damage rate, then protects flower phylactocarp agent using biogas slurry and is sprayed, every 4 days of florescence sprayed 1 time, and fruiting period is every
Spray 1 time within 10 days, flowering time can be extended, improve the percentage of fertile fruit and fruit quality of plant.
Step(1)The filter screen, wherein by-pass filtration pond filter screen are 120 mesh, and secondary filtration pond filter screen is 200
Mesh.
Step(1)The clay, its addition are the 3.8% of biogas slurry quality.
Step(2)The mix bacterium agent, wherein photosynthetic bacteria:Sulfobacillus:Azotobacter chroococcum quality proportioning is 1:3:7;
Described is passed through air, is passed through 1 time/4h of the frequency, is passed through time 14min.
Step(3)The sodium hydroxide solution, its mass concentration are 3.8%;The hydrochloric acid solution, its mass concentration
For 1.9%.
Step(4)The mixed vitamin, wherein vitamin A:Vitamin C:Vitamin E quality proportioning is 2:4:1, its
Addition is the 5.3% of acidifying biogas slurry quality;The propylene vinegar and collagen, its addition are respectively to be acidified biogas slurry matter
The 3.8% of amount.
Contrast 1:
This contrast 1 does not carry out step compared with embodiment 1(1)Secondary filtration, other steps are same as Example 1.
Contrast 2:
This contrast 2 does not carry out step compared with embodiment 1(2)Middle fermentation, other steps are same as Example 1.
Contrast 3:
This contrast 3 does not carry out step compared with embodiment 1(3)Acidification, other steps are same as Example 1.
Contrast 4:
This contrast 4 does not carry out step compared with embodiment 2(4)Middle propylene vinegar and collagen use, other steps are with implementing
Example 2 is identical.
Contrast 5:
This contrast 5 does not carry out step compared with embodiment 2(5)Homogenization, other steps are same as Example 2.
Control group:
Control group directly sprays flower and fruit with biogas slurry, and secondary filtration, fermentation, acidification, propylene vinegar is not used
With collagen, homogenization.
Obtained biogas slurry shield flower is done to embodiment 1, embodiment 2, contrast 1, contrast 2, contrast 3, contrast 4, contrast 5 and control group
Phylactocarp agent uses tulip and Tang Shan shortcakes pears, statistics time at tulip florescence, soup mountain shortcake pears percentage of fertile fruit and yields.
Experimental data:
Project | Time at florescence d | Percentage of fertile fruit % | Yields % |
Embodiment 1 | 14.0 | 81.6 | 99.5 |
Embodiment 2 | 15.0 | 80.4 | 99.7 |
Contrast 1 | 13.0 | 78.5 | 98.7 |
Contrast 2 | 12.0 | 69.7 | 96.5 |
Contrast 3 | 10.0 | 76.0 | 98.0 |
Contrast 4 | 13.0 | 76.1 | 98.5 |
Contrast 5 | 14.0 | 78.4 | 99.1 |
Control group | 8.0 | 53.7 | 92.6 |
Synthesis result:The present invention spends phylactocarp agent so biogas slurry shield is made, compared with the control group, tulip florescence time lengthening 7d,
Soup mountain shortcake pears percentage of fertile fruit improves 27.9%, and fruit yields improves 7.1%.Using fermentation, acidification, propylene vinegar and collagen egg
In vain, it is 2d, 4d, 2d that can extend the time at tulip florescence, and soup mountain shortcake pears percentage of fertile fruit improves 11.9%, 5.6%, 4.3%, and yields carries
It is high by 3.0%, 1.5%, 1.2%;Using secondary filtration and homogenization, soup mountain shortcake pears percentage of fertile fruit improves 3.1%, 2.0%, and yields carries
It is high by 0.8%, 0.6%.
Claims (6)
1. a kind of preparation method of biogas slurry shield flower phylactocarp agent, it is characterised in that comprise the following steps:
(1)Secondary filtration:4-6h is staticly settled after biogas manure is passed through the sealing of by-pass filtration pond, it is then laggard by strainer filtering
Enter secondary filtration pond, add clay stirring 20-30min thereto, then sealing and standing 6-8h, be made thick after strainer filtering
Biogas slurry processed;
(2)Fermentation:Rough biogas slurry is passed through to the mix bacterium agent for sealing pond and adding its quality 3%-4%, and periodically to sealing Chi Zhongtong
Enter air to ferment, temperature is 27-30 DEG C, and time 72-80h, is then concentrated into the 1/3 of original volume, and fermentation biogas slurry is made;
(3)Acidification:The sodium hydroxide solution of its quality 3%-5% is added into fermentation biogas slurry, is stood after being stirred, then to
Hydrochloric acid solution is added in biogas slurry of fermenting and adjusts biogas slurry pH value to 6.0-6.5 scopes, then to adding biogas slurry quality 0.3%-0.5%
Sodium selenate, be filtered to remove precipitation after standing, acidifying biogas slurry be made;
(4)Prepare:Acidifying biogas slurry is placed in centrifuge processing 10-12min, biogas slurry supernatant is obtained, then adds to biogas slurry supernatant
Enter mixed vitamin, propylene vinegar and collagen, be stirred, biogas slurry mixed liquor is made;
(5)Homogenization:Biogas slurry mixed liquor is stirred into 25-28min under 200-230r/min rotating speeds, then heats to 52-56
DEG C sealed thermal insulating 2-3h, is made biogas slurry shield flower phylactocarp agent;
(6)Application method:Flowering of plant or when bearing fruit first with 75% ethanol to flower or fruit sprinkling cleaning, then using biogas slurry
Shield flower phylactocarp agent is sprayed, and the florescence sprayed 1 time per 3-4 days, and fruiting period was sprayed 1 time per 8-10 days.
2. biogas slurry shield flower phylactocarp as claimed in claim 1, the preparation method of agent, it is characterised in that step(1)The filtering
Net, wherein by-pass filtration pond filter screen are 120 mesh, and secondary filtration pond filter screen is 200 mesh.
3. the preparation method of biogas slurry shield flower phylactocarp agent as claimed in claim 1, it is characterised in that step(1)The clay,
Its addition is the 2%-4% of biogas slurry quality.
4. the preparation method of biogas slurry shield flower phylactocarp agent as claimed in claim 1, it is characterised in that step(2)The mixing
Microbial inoculum, wherein photosynthetic bacteria:Sulfobacillus:Azotobacter chroococcum quality proportioning is 1:2-3:5-7;Described is passed through air, is passed through frequency
Secondary 1 time/4h, is passed through time 12-14min.
5. the preparation method of biogas slurry shield flower phylactocarp agent as claimed in claim 1, it is characterised in that step(3)The hydrogen-oxygen
Change sodium solution, its mass concentration is 3%-4%;The hydrochloric acid solution, its mass concentration are 1.5%-2%.
6. the preparation method of biogas slurry shield flower phylactocarp agent as claimed in claim 1, it is characterised in that step(4)The mixing
Vitamin, wherein vitamin A:Vitamin C:Vitamin E quality proportioning is 2:3-4:1, its addition is acidifying biogas slurry quality
4%-6%;The propylene vinegar and collagen, its addition are respectively to be acidified the 3%-4% of biogas slurry quality.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111217638A (en) * | 2020-01-15 | 2020-06-02 | 山东省农业科学院农业资源与环境研究所 | Compost additive containing over-acidified biogas slurry, preparation method and application |
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CN103524176A (en) * | 2013-10-15 | 2014-01-22 | 北京盈和瑞环保工程有限公司 | Method for producing liquid compound fertilizer by using biogas slurry |
CN105439700A (en) * | 2015-11-30 | 2016-03-30 | 安陆市安源生态农业开发有限公司 | Preparation method of biogas slurry containing biological pesticide |
CN106866194A (en) * | 2017-01-19 | 2017-06-20 | 云南顺丰洱海环保科技股份有限公司 | Biogas slurry organic fertilizer and preparation method thereof |
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2017
- 2017-11-10 CN CN201711102766.0A patent/CN107915514A/en not_active Withdrawn
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CN103524176A (en) * | 2013-10-15 | 2014-01-22 | 北京盈和瑞环保工程有限公司 | Method for producing liquid compound fertilizer by using biogas slurry |
CN103524176B (en) * | 2013-10-15 | 2015-03-25 | 北京盈和瑞环保工程有限公司 | Method for producing liquid compound fertilizer by using biogas slurry |
CN105439700A (en) * | 2015-11-30 | 2016-03-30 | 安陆市安源生态农业开发有限公司 | Preparation method of biogas slurry containing biological pesticide |
CN106866194A (en) * | 2017-01-19 | 2017-06-20 | 云南顺丰洱海环保科技股份有限公司 | Biogas slurry organic fertilizer and preparation method thereof |
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CN111217638A (en) * | 2020-01-15 | 2020-06-02 | 山东省农业科学院农业资源与环境研究所 | Compost additive containing over-acidified biogas slurry, preparation method and application |
CN111217638B (en) * | 2020-01-15 | 2022-02-01 | 山东省农业科学院农业资源与环境研究所 | Compost additive containing over-acidified biogas slurry, preparation method and application |
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