CN106882993A - The organic fertilizer and its production method of a kind of pig manure production - Google Patents
The organic fertilizer and its production method of a kind of pig manure production Download PDFInfo
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- CN106882993A CN106882993A CN201710151513.6A CN201710151513A CN106882993A CN 106882993 A CN106882993 A CN 106882993A CN 201710151513 A CN201710151513 A CN 201710151513A CN 106882993 A CN106882993 A CN 106882993A
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- pig manure
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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
-
- 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
-
- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Soil Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to technical field of fertilizers, organic fertilizer and its production method that especially a kind of pig manure is produced, with pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite, microbe leaven, glucomannans as raw material, designed by rational weight proportion, combining with fermentation technique is prepared from, combining with fermentation technique is prepared from, cost of manufacture is cheap, the organic fertilizer fertilizer efficiency being made is notable, and the ecological environment of soil can be improved, heavy metal ion in aggregation soil, and then reduce the harm of heavy metal on plants.
Description
Technical field
The present invention relates to the organic fertilizer and its production method of technical field of fertilizers, especially a kind of pig manure production.
Background technology
Pig manure is a large amount of excrement that pork chop is let out during raising pigs, wherein mixing a large amount of urine, mucus, a large amount of pig manures are banked up
Together it is difficult to process, long-term placement not only causes mosquitos and flies, at the same foul smell to surrounding environment, very big dirt is all caused to underground water source
Dye, if do not solved the problems, such as pig manure, the pollution not only to environment is increasingly serious, while the ensured sustained development development to plant is also resulted in sternly
The influence of weight, the carrying out of pig manure is utilized, the most important thing problem as pig industry sustainable development.
Organic fertilizer contains the nutritional ingredients such as abundant organic matter, amino acid and protein, while also containing nitrogen, phosphorus, potassium
Deng inorganic nutrients, due to the use of a large amount of fertilizer of China, soil fertility and quality of agricultural product is caused to decline, apply fertilizer diminishing benefit, has
The administration of machine fertilizer causes the extensive concern of people, and organic fertilizer can not only improve the yield of crop, while the harm to soil
It is relatively low, moreover it is possible to improve the quality of agricultural product.
At present, the production technology of the organic fertilizer of China is gradually stepped up, and the raw material of organic fertilizer utilizes more and more diversified, but
Traditional organic fertilizer production technology is influenceed larger by environment, and the time cycle fermented is long, yields poorly, and produces
Response to fertilizer is low, and the utilization rate of resource is not high, easily causes the shortage of raw material, therefore the present inventor utilizes pig manure, fermenting and producing
Organic fertilizer, can realize making full use of for resource, solve environmental pollution, while the organic fertilizer fertilizer efficiency produced significantly, can promote
Enter growing for plant.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of method that pig manure produces organic fertilizer, and raw material is with weight portion
It is calculated as：80~90 parts of pig manure, 30~45 parts of melon and fruit peel, 30~35 parts of weeds, 20~30 parts of weed tree sawdust, 10~15 parts of bentonite,
0.1~0.7 part of microbe leaven, 1~3 part of glucomannans；
More preferably：75 parts of pig manure, 40 parts of melon and fruit peel, 33 parts of weeds, 26 parts of weed tree sawdust, 13 parts of bentonite, micro- life
0.4 part of thing leavening, 2 parts of glucomannans.
It is achieved particular by following technical scheme：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 100~150r/min, stirring 5~
15min, adjustment carbon-nitrogen ratio is (30~35)：1；Microbe inoculation leavening, is fermented in confined conditions, fermentation temperature 55
~65 DEG C, ferment 6~10d, obtains fermentation material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is (0.2~0.8) with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 5~8% to be well mixed,
Place 3~5h.
The sonication treatment time is 1~3min, and frequency is 30~50KHz.
The fermentation material is by drying to water activity≤0.4.
Beneficial effect of the present invention：
Bentonite is by after phosphoric acid, its specific surface area and absorption property are effectively improved in the present invention, and then
During the fermentation, it is adsorbed in the nutritional ingredient in tunning is substantial amounts of in self structure, reduces in fermentation process effectively
Composition is lost, and improves the utilization rate of fermentation material；Bentonite is added in organic fertilizer of the present invention, the water-retaining property of soil can be improved
Can, the activity of catalase in soil is improved, and then cause that soil fertility is effectively improved.
Glucomannans is added in organic fertilizer of the present invention, by its own significant adsorption capacity and hydroxyl structure, energy
It is enough that tunning or heavy metal in soil ion are adsorbed or combination, and then reduce danger of the heavy metal ion to plant
Evil.
Microbe leaven, the adjustment of combining with fermentation technological parameter are added in organic fertilizer of the present invention so that pig manure, melon and fruit
The nutritional ingredient of the raw materials such as skin, weeds, weed tree sawdust is significantly improved, at the same produce during the fermentation a large amount of amino acid, polysaccharide,
The benefit materials that vitamin etc. is easily absorbed by plants, promote the resistance against diseases of plant.
Consumption proportion by studying bacillus subtilis and saccharomycete of the invention, when bacillus subtilis and saccharomycete
Weight ratio is (0.2~0.8)：When 1, the physical reaction of raw material in the activity of strain, and then improvement fermentation process, hair can be promoted
The utilization rate of ferment material is improved, and shortens fermentation period, and secret out of the beneficial thing such as more amino acid, polysaccharide, vitamin
Matter.
Organic fertilizer of the present invention is gathered using pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite, microbe leaven, Portugal's sweet dew
Sugar is raw material, is designed by rational weight proportion, and combining with fermentation technique is prepared from, and cost of manufacture is cheap, and having of being made
The fat effect of machine is notable, can improve the ecological environment of soil, the heavy metal ion in aggregation soil, and then reduce heavy metal to planting
The harm of thing.
Specific embodiment
Technical scheme is further limited with reference to specific embodiment, but claimed
Scope is not only limited to description.
Embodiment 1
Formula：Pig manure 80kg, melon and fruit peel 30kg, 30 parts of kg of weeds, weed tree sawdust 20kg, bentonite 10kg, microbial fermentation
Agent 0.1kg, glucomannans 1kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 100r/min, stirs 5min, adjusts carbon nitrogen
Than being 30：1；Microbe inoculation leavening, is fermented in confined conditions, 55 DEG C of fermentation temperature, and ferment 6d, obtains fermentation material,
Granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is 0.2 with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 5% to be well mixed, and places
3h。
The sonication treatment time is 1min, and frequency is 30KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 2
Formula：Pig manure 90kg, melon and fruit peel 45kg, weeds 35kg, weed tree sawdust 30kg, bentonite 15kg, microbe leaven
0.7kg, glucomannans 3kg；
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 150r/min, stirs 15min, is adjusted
Whole carbon-nitrogen ratio is 35：1；Microbe inoculation leavening, is fermented in confined conditions, 65 DEG C of fermentation temperature, and ferment 10d, obtains
Fermentation material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is (0.8) with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 8% to be well mixed, and places
5h。
The sonication treatment time is 3min, and frequency is 50KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 3
Formula：Pig manure 75kg, melon and fruit peel 40kg, weeds 33kg, weed tree sawdust 26kg, bentonite 13kg, microbe leaven
0.4kg, glucomannans 2kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 120r/min, stirs 10min, is adjusted
Whole carbon-nitrogen ratio is 32：1；Microbe inoculation leavening, is fermented in confined conditions, 60 DEG C of fermentation temperature, and ferment 8d, must send out
Ferment material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is (0.4) with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 6% to be well mixed, and places
5h。
The sonication treatment time is 2min, and frequency is 45KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 4
Formula：Pig manure 90kg, melon and fruit peel 30kg, weeds 30kg, weed tree sawdust 30kg, bentonite 14kg, microbe leaven
0.5kg, glucomannans 1.5kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 130r/min, stirs 12min, is adjusted
Whole carbon-nitrogen ratio is 34：1；Microbe inoculation leavening, is fermented in confined conditions, 65 DEG C of fermentation temperature, and ferment 7d, must send out
Ferment material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is 0.7 with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 8% to be well mixed, and places
3h。
The sonication treatment time is 2min, and frequency is 35KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 5
Formula：Pig manure 80kg, melon and fruit peel 45kg, weeds 30kg, weed tree sawdust 30kg, bentonite 10kg, microbe leaven
0.3kg, glucomannans 3kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 140r/min, stirs 12min, is adjusted
Whole carbon-nitrogen ratio is 35：1；Microbe inoculation leavening, is fermented in confined conditions, 62 DEG C of fermentation temperature, and ferment 9d, must send out
Ferment material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is 0.6 with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 7% to be well mixed, and places
3h。
The sonication treatment time is 1~3min, and frequency is 50KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 6
Formula：Pig manure 82kg, melon and fruit peel 37kg, weeds 31kg, weed tree sawdust 26kg, bentonite 11kg, microbe leaven
0.6kg, glucomannans 2kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 130r/min, stirs 15min, is adjusted
Whole carbon-nitrogen ratio is 30：1；Microbe inoculation leavening, is fermented in confined conditions, 62 DEG C of fermentation temperature, and ferment 8d, must send out
Ferment material, is granulated.
The microbe leaven is the combination of bacillus subtilis, lactobacillus bulgaricus, saccharomycete and photosynthetic bacteria.
The bacillus subtilis is 0.3 with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 5% to be well mixed, and places
4h。
The sonication treatment time is 3min, and frequency is 30KHz.
The fermentation material is by drying to water activity≤0.4.
Embodiment 7
Formula：Pig manure 85kg, melon and fruit peel 35kg, weeds 30kg, weed tree sawdust 15kg, bentonite 13kg, microbe leaven
0.2kg, glucomannans 3kg；
Preparation method：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100
Mesh sieve, then by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 110r/min, stirring 8, adjusts carbon
Nitrogen ratio is 30：1；Microbe inoculation leavening, is fermented in confined conditions, 55 DEG C of fermentation temperature, and ferment 10d, must ferment
Material, is granulated.
The bacillus subtilis is 0.4 with the weight proportion of saccharomycete：1.
The size-reduced treatment particle diameter of bentonite is less than 10mm, adds the phosphoric acid of bentonite weight portion 5% to be well mixed, and places
1h。
The sonication treatment time is 3min, and frequency is 50KHz.
The fermentation material is by drying to water activity≤0.4.
Test example 1
Experiment designs 8 treatment groups altogether, and embodiment group applies the organic fertilizer of the present invention program；Control is applied and " releases unit in Hebei
The soybean fertilizer special for organic of fertilizer Science and Technology Ltd. "；Fertilizer treatment is carried out to soybean respectively；
As seen from the above table, the growth using the present invention program to soybean has facilitation so that the ultimate output of soybean
It is effectively improved, wherein the plant height of embodiment group, single-strain legumen number, single-strain grain number, 100-grain weight, yield are all remarkably higher than control
Group, wherein embodiment 3 are most preferably scheme, and its plant height is that 84.6m, single-strain legumen number are 34.6, single-strain grain number 75.4,100-grain weight
25.7th, yield is 3323.6kg/hm2。
For above-mentioned experiment, and take the cauline leaf of soybean mature phase and carry out content of beary metal detection, control group uses its result
Such as following table：
Using present invention side's embodiment 3, the ecological environment of soil can be improved, the heavy metal ion in aggregation soil subtracts
Few toxic action of the heavy metal ion to soybean, from result, in the soybean of organic fertilizer application of the present invention, heavy metal As, Cd,
Pb, Zn equal size are substantially less than control group.
Claims (8)
1. the organic fertilizer of a kind of pig manure production, it is characterised in that material composition is in parts by weight：80~90 parts of pig manure, melon and fruit
30~45 parts of skin, 30~35 parts of weeds, 20~30 parts of weed tree sawdust, 10~15 parts of bentonite, 0.1~0.7 part of microbe leaven,
1~3 part of glucomannans.
2. the organic fertilizer of pig manure as claimed in claim 1 production, it is characterised in that the raw material is in parts by weight：Pig manure
75 parts, 40 parts of melon and fruit peel, 33 parts of weeds, 26 parts of weed tree sawdust, 13 parts of bentonite, 0.4 part of microbe leaven, glucomannans 2
Part.
3. the organic fertilizer that pig manure as claimed in claim 1 is produced, it is characterised in that the microbe leaven is withered grass gemma
Bacillus and saccharomycete.
4. the organic fertilizer that pig manure described as claimed in claim 1 is produced, it is characterised in that the bacillus subtilis and yeast
The weight proportion of bacterium is (0.2~0.8)：1.
5. the method that pig manure as claimed in claim 1 produces organic fertilizer, it is characterised in that the size-reduced treatment grain of bentonite
Footpath≤8mm, adds the phosphoric acid of bentonite weight portion 5~8% to be well mixed, and places 3~5h.
6. the method that pig manure as claimed in claim 1 produces organic fertilizer, it is characterised in that the described preparation method of organic fertilizer,
Comprise the following steps：
Pig manure, melon and fruit peel, weeds, weed tree sawdust, bentonite are put into pulverizer by weight ratio and are crushed, cross 100 mesh sieves,
Again by ultrasonically treated, mixed using mechanical agitation mode, mixing speed is 100~150r/min, stirs 5~15min,
Adjustment carbon-nitrogen ratio is (30~35)：1；Microbe inoculation leavening, is fermented in confined conditions, fermentation temperature 55~65
DEG C, ferment 6~10d, obtains fermentation material, is granulated.
7. the method that pig manure as claimed in claim 6 produces organic fertilizer, it is characterised in that the sonication treatment time is 1~
3min, frequency is 30~50KHz.
8. the method that pig manure as claimed in claim 6 produces organic fertilizer, it is characterised in that the fermentation material is by drying to water
Divide activity≤0.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151513.6A CN106882993A (en) | 2017-03-14 | 2017-03-14 | The organic fertilizer and its production method of a kind of pig manure production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151513.6A CN106882993A (en) | 2017-03-14 | 2017-03-14 | The organic fertilizer and its production method of a kind of pig manure production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106882993A true CN106882993A (en) | 2017-06-23 |
Family
ID=59180914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151513.6A Pending CN106882993A (en) | 2017-03-14 | 2017-03-14 | The organic fertilizer and its production method of a kind of pig manure production |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298623A (en) * | 2017-08-21 | 2017-10-27 | 贞丰县维康精品水果有限公司 | A kind of peach fertilizer special for organic and preparation method thereof |
| CN107311744A (en) * | 2017-06-26 | 2017-11-03 | 贵州省铜仁市万山区京军生态农牧发展有限公司 | A kind of method that utilization pig manure produces organic fertilizer |
| CN107500866A (en) * | 2017-08-30 | 2017-12-22 | 长葛市联发粮食专业合作社 | A kind of sweet potato dedicated fertilizer |
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| CN103319269A (en) * | 2013-07-11 | 2013-09-25 | 湖南省食用菌研究所 | Chicken manure, pig manure and pleurotus eryngii mushroom bran-containing organic fertilizer and preparation method thereof |
| CN103864479A (en) * | 2012-12-14 | 2014-06-18 | 吴陇鑫 | Bioorganic fertilizer obtained by processing pig manure, and processing technology thereof |
| CN104261913A (en) * | 2014-09-30 | 2015-01-07 | 青岛嘉瑞生物技术有限公司 | Process of preparing pig manure bio-organic fertilizer by microbial fermentation method |
| CN104744171A (en) * | 2015-04-01 | 2015-07-01 | 山东天威生物科技有限公司 | Novel green biological organic fertilizer and preparation method thereof |
| CN105036830A (en) * | 2015-08-07 | 2015-11-11 | 灵川县億旺养殖专业合作社 | Pig manure fermentation organic fertilizer and preparation method thereof |
| CN105884537A (en) * | 2016-06-03 | 2016-08-24 | 句容市朝花夕拾家庭农场 | Bio-organic fertilizer special for pear trees and preparing method thereof |
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| CN103864479A (en) * | 2012-12-14 | 2014-06-18 | 吴陇鑫 | Bioorganic fertilizer obtained by processing pig manure, and processing technology thereof |
| CN103319269A (en) * | 2013-07-11 | 2013-09-25 | 湖南省食用菌研究所 | Chicken manure, pig manure and pleurotus eryngii mushroom bran-containing organic fertilizer and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311744A (en) * | 2017-06-26 | 2017-11-03 | 贵州省铜仁市万山区京军生态农牧发展有限公司 | A kind of method that utilization pig manure produces organic fertilizer |
| CN107298623A (en) * | 2017-08-21 | 2017-10-27 | 贞丰县维康精品水果有限公司 | A kind of peach fertilizer special for organic and preparation method thereof |
| CN107500866A (en) * | 2017-08-30 | 2017-12-22 | 长葛市联发粮食专业合作社 | A kind of sweet potato dedicated fertilizer |
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Application publication date: 20170623 |