CN104261918A - Organic fertilizer fermentation method - Google Patents
Organic fertilizer fermentation method Download PDFInfo
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- CN104261918A CN104261918A CN201410515695.7A CN201410515695A CN104261918A CN 104261918 A CN104261918 A CN 104261918A CN 201410515695 A CN201410515695 A CN 201410515695A CN 104261918 A CN104261918 A CN 104261918A
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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
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses an organic fertilizer fermentation method which adopts pool type aerobic continuous fermentation. The method specifically comprises the following steps: A, uniformly mixing solid organic wastes, a microbial fermentation bacterial agent and auxiliary materials in proportion to obtain a fermentation raw material, wherein the solid organic wastes, the microbial fermentation bacterial agent and the auxiliary materials are in a ratio of (70-75) to (29.99-24.99) to 0.01, so that the carbon nitrogen ratio in the fermentation raw material is (25-30) to 1; B, carrying out primary aerobic fermentation not less than 7 days on the fermentation raw material at the temperature not lower than 55 DEG C to obtain a primary fermentation product; C, carrying out secondary fermentation on the primary fermentation product at normal temperature to obtain a secondary fermentation product within 10-15 days; and D, drying the secondary fermentation product to obtain an organic fertilizer. By using fresh chicken manure as a main fermentation raw material, the organic fertilizer fermentation method disclosed by the invention achieves the purposes of harmless treatment, recycling treatment and reducing treatment.
Description
Technical field
The present invention relates to a kind of technical field of fertilizer production, specifically, relate to a kind of fermentation technology for organic fertilizer.
Background technology
Farm crop main nutrition needed in the process of growth is the elements such as N P and K, and the problem of nutrition leak can occur earth in long-term planting process, is therefore soil fertilizing, namely for soil supplements n-p-k element, thus increases the output of crop.In the process of plantation, chemical chemical fertilizer has played very important effect, but along with the frequent and single use of chemical fertilizer application, also brings adverse influence to edatope.Soil is under the condition lacking sufficient organic matter, and the grain pattern of soil is difficult to be formed, and the adhesive power between soil is difficult to be formed, and the water retention capacity of soil reduces gradually then.For addressing this problem, fertilizer arises at the historic moment.
Fertilizer utilizes the various organic substance of occurring in nature, a kind of fertilizer obtained after microbiological treatment fermentation.At present, the through engineering approaches of fertilizer is progressively formed, and to mechanize, large-scale development, present situation technique is based on deep layer, aerobic fermentation process.The effect of fertilizer in agriculture production is mainly manifested in the following aspects: be improvement soil on the one hand, culture fertility, after fertilizer is manured into soil, organic matter can vegetable soil effectively, the fertilizer supply and preservation ability of soil can be made to strengthen, and then provide sufficient nutrient for the growth of farm crop; The output of farm crop can be increased on the other hand, improve the quality of farm crop.But the fertilizer complex manufacturing technology of prior art, the kind and the method that add bacterial classification often cause production cost higher, add the burden of agriculture production.
Chicken manure is cheap low energy protein fodder, and it can make the fertilizer of high-grade high-quality through fermentation.The industrial production of a large amount of development biological organic fertilizer, by chicken manure value added by manufacture, can not only turn waste into wealth effectively, also can avoid and administer day by day serious environmental pollution simultaneously.Chicken manure is compared with other poultry manures, and wherein the chemical composition such as nitrogen, phosphoric acid, calcium is many, larger for being used as soil improvement agent effect to the fertilizer ratio of soil supply composition.The chicken manure of fermentative processing, during the fermentation, nitrogen part is wherein decomposed into ammonia and discharges, and is conducive to plant absorption.When fermentative processing chicken manure, usually utilize organic fertilizer fermentation pond, its fermentation period is short, and the toxic substance and microorganism during fermentation in starter can be degraded, can not produce secondary pollution.Fertilizer by fermentation, organic content is high, and probiotics wherein more can play the effect of fixed nitrogen, phosphorus decomposing, potassium decomposing.
Summary of the invention
For solving above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of organic fertilizer fermentation method, taking that pool is aerobic continuously ferments, specifically comprise step:
A, solid organic castoff, microbial fermentation inoculum and auxiliary material to be mixed according to predetermined proportion, obtain fermentation raw material;
Wherein, the ratio of described solid organic castoff, microbial fermentation inoculum and auxiliary material is 70 ~ 75: 29.99 ~ 24.99: 0.01, makes the carbon-nitrogen ratio in described fermentation raw material be 25 ~ 30: 1;
B, make described fermentation raw material be not less than the first time aerobic fermentation carrying out being no less than 7 days at 55 DEG C in temperature, obtain one time fermentation product;
C, described one time fermentation product carried out at normal temperatures second time fermentation, within 10 ~ 15 days, obtain Secondary Fermentation product;
D, the process of described Secondary Fermentation product drying is obtained fertilizer.
Further, the concrete grammar of described step B comprises: the fermentation raw material that steps A obtained is sent in fermentation vat, and described proferment stockpile height is 80cm ~ 100cm, stack length and described fermentation vat feeding mouth to discharge port ratio of distances constant is 1:7 ~ 10;
Utilize turnover throwing machine to make described fermentation raw material in described fermentation vat, stir fermentation and move to described discharge port from described feeding mouth gradually, obtain one time fermentation product at described discharge port.
Further, described in the every angel of described turnover throwing machine, the distance of fermentation raw material movement equals the stacking length of described fermentation raw material.
Further, in step, described solid organic castoff to be water content be 50% ~ 55% chicken manure.
Further, in step, described microbial fermentation inoculum comprises at least one in yeast, genus bacillus, filamentous fungus, actinomycetes.
Further, in step, described auxiliary material comprises at least one in mushroom residue, stalk.
A kind of fermentation technology for organic fertilizer of the present invention, with fresh chicken manure for dominant fermentation raw material, take that pool is aerobic continuously ferments, fermentation raw material is fully become thoroughly decomposed, decomposes, deodorizing, sterilizing, anhydrate, sieve, produce fertilizer, reach the object of innoxious, resource utilization and minimizing process.Simultaneously, adopt the continuous aerobic fermentation technology of pool on beneficial microorganism basis, people is for providing temperature needed for fermentation of organic wastes and oxygen, carry out under making the controlled condition of material fermentation in organic matter fermenting tank, decrease the impact of occurring in nature unfavorable factor, guarantee can produce, and this technology can match with technology such as livestock and poultry cultivation, municipal sludge, filter mud of sugar refinery, paper mill sludge, vinasse throughout the year.Meanwhile, adopt this zymotechnique technology and fermentation to turn over to cast standby, machine many ponds parallel connection can be realized according to user situation and produce.
Accompanying drawing explanation
The following description carried out in conjunction with the drawings, the above-mentioned and other side of embodiments of the invention, feature and advantage will become clearly, in accompanying drawing:
Fig. 1 is the cross-sectional view of the organic fertilizer fermentation equipment of the embodiment of the present invention 1.
Fig. 2 is the plan structure schematic diagram of the organic fertilizer fermentation equipment of the embodiment of the present invention 1.
Fig. 3 is the another cross-sectional view of organic fertilizer fermentation equipment of the embodiment of the present invention 1.
Embodiment
Below, embodiments of the invention are described in detail with reference to the accompanying drawings.But, the present invention can be implemented in many different forms, and the present invention should not be interpreted as being limited to the specific embodiment of setting forth here.On the contrary, provide these embodiments to be to explain principle of the present invention and practical application thereof, thus enable others skilled in the art understand various embodiment of the present invention and be suitable for the various amendments of certain expected application.
Embodiment 1
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, comprise fermentation vat 110 and turnover throwing machine 120 according to the organic fertilizer fermentation equipment 100 of the present embodiment.
The fermentation vat 100 of the present embodiment is preferably rectangle, and it has antetheca 116, diapire 117 and two sidewalls be oppositely arranged 114,115, jointly surrounds an accommodation space, for fermentation raw material placement and carry out first time fermentation.Fermentation vat 110 preferred size of the present embodiment is length is 30m, and width is 20m, and height 1.5m, can form the fermentation vat of other forms or size in other embodiments according to actual needs.
Fermentation vat 110 antetheca 116 upper limb is provided with feeding mouth 111, and its diapire 117 is directly connected with discharge port 112, and feeding mouth 111 and discharge port 112 are arranged in opposite directions.
For the ease of carrying the load wagon feeding of material and discharging, described fermentation vat 110 also comprise respectively with described feeding mouth 111, corresponding access ramp 117, the exit ramp 118 arranged of discharge port 112.Described access ramp 117, exit ramp 118 all tilt towards described fermentation vat 110.
Preferably, the angle of inclination of described access ramp 117, exit ramp 118 is acute angle, preferably 10 ~ 30 °, thus facilitates load wagon to pass in and out fermentation vat 110, and by material transportation wherein.Between described feeding mouth 111 and described access ramp 117, junction is also provided with load wagon buffer strip 119.The angle of inclination of this buffer strip 119 is less than 10 ° or close to 0 °, makes load wagon steadily arrive feeding mouth 111 place, by specified location in fermentation raw material uniform pitch to fermentation vat 110.
Wherein, in order to ensure to have stable leavening temperature in fermentation vat 110, be provided with insulation film 140 at described fermentation vat 110 top open part, as shown in Figure 3, its material is preferably plastic film.During actual use, first use turnover throwing machine to carry out turning over throwing, then cover insulation film.
Shown in composition graphs 1, the turnover throwing machine 120 of the present embodiment is reciprocating in described fermentation vat 110 by the track 130 be arranged on described fermentation vat 110, stirs fermentation for making fermentation raw material and moves to described discharge port 112 from described feeding mouth 111 gradually in described fermentation vat 110.In the present embodiment, sidewall 114, sidewall 115 upper limb are respectively arranged with two turnover throwing machine tracks 131,132; Turnover throwing machine 120 is set up in two side 114,115, agreed with track 131,132 by the pulley 121 of himself, reciprocating along the two side of fermentation vat 110 smoothly, round target (not shown) on turnover throwing machine 120 drives high speed rotating with pulley 121, fermentation raw material in fermentation vat 110 is thrown uninterruptedly, is scattered and produces certain displacement, with ensure fermentation raw material every day regular in fermentation vat 110, equidistant gradual after move, until arrive discharge port 112 place.
Preferably, for adapting to the size of turnover throwing machine 120 pulley 121, track 130 own depth is 0.2m.Certainly, in other embodiments, track can also be made into, with fermentation vat sidewall, there is certain distance, can adjust according to fermentation vat virtual condition; The degree of depth of track also can adjust in response to turnover throwing machine pulley size.
Further, the organic fertilizer fermentation equipment of the present embodiment also comprises a stacking field 150, carries out Secondary Fermentation for completing the fermentation raw material after fermentation.That is, the fermentation raw material load wagon completing first time fermentation shifts out from discharge port 112, be carried to stacking field 150, carries out second time fermentation.Second time fermentation is fermented further in order to first time fermentation is obtained tunning, become thoroughly decomposed, decomposes, and carry out Temperature fall, to get rid of obnoxious flavour.
Introduce organic fertilizer fermentation method of the present invention below in conjunction with Fig. 1 ~ 3, it specifically comprises step:
Step 210: solid organic castoff, microbial fermentation inoculum and auxiliary material are mixed according to predetermined proportion, obtains fermentation raw material; Wherein, solid organic castoff is fresh chicken manure, and water content is 50% ~ 55%, and auxiliary material is the mixture of mushroom residue and stalk, but the present invention is not restricted to this.
In the present embodiment, microbial fermentation inoculum comprises yeast, genus bacillus, filamentous fungus, actinomycetes.By a large amount of tests, find that the multiple-microorganism such as bacterium, actinomycetes can successful compound (compositely proportional is without the need to particular restriction), the optimal temperature of each bacterial classification is respectively: the suitableeest 38 DEG C of milk-acid bacteria, yeast can better grow between 20 DEG C ~ 30 DEG C, genus bacillus can resistance to 60 DEG C of high temperature, filamentous fungus culture temperature be 28 degree for a long time, actinomycetes the suitableeest product enzyme temperature is 50 DEG C and growth and breeding temperature is relatively wide, and mutual not antagonism between each bacterial classification, reciprocal symbiosis.Each bacterial classification is growth and breeding in differing temps interval, mutually plays effect, fundamentally can ensure ferment effect.All can grow preferably to coordinate each bacterial classification, preferred leavening temperature is not less than 55 DEG C.
Preferably, each component (mass percent) of the fermentation raw material of the present embodiment is 70% fresh chicken manure, 29.99% microbial fermentation inoculum and 0.01% mushroom residue and stalk mixture.
Step 220: fermentation raw material step 210 obtained is sent in fermentation vat and carried out first time fermentation, obtains one time fermentation product.
Concrete grammar comprises:
Fermentation raw material load wagon step 210 obtained or forklift are sent in fermentation vat, and proferment stockpile height is 80cm ~ 100cm, and stacking length is 1/8 of fermentation vat pond length.Contact with air the oxygen provided with fermentation raw material during turning by natural ventilation and carry out continuous aerobic fermentation.In order to the temperature maintaining first time fermentation is not less than 55 DEG C, fermentation vat top open part adopts plastic film insulation, and fermentation time is 7 days ~ 8 days.
Be arranged at turnover throwing machine on fermentation vat track along the reciprocating walking of track, fermentation raw material is continuously thrown, is scattered by the circle rake that turnover throwing machine is provided with high speed rotating, and produce certain displacement, make that fermentation raw material is regular to discharge port from feeding mouth, gradual movement equidistantly.Fermentation raw material stirs to discharge port every day by turnover throwing machine, movable fermenting tank is long 1/8.Namely described in the every angel of described turnover throwing machine, the distance of fermentation raw material movement equals the stacking length of described fermentation raw material.Like this by the 8th day, originally just send into the fermentation raw material of fermentation vat from feeding mouth, moved to discharge outlet by turnover throwing machine and complete fermentation formation one time fermentation product; Utilize load wagon to be transported by described one time fermentation product from organic fertilizer fermentation pond tail end (i.e. discharge port), vacate 1/8 space that fermentation vat is long, can stir successively, move to this place for follow-up fermentation raw material again; And fermentation vat front end vacant go out long space, 1/8 pond, can be used to again supplementary new fermentation raw material, thus define Continuous Fermentation Processes.For ensureing oxygen-consumption, turnover throwing machine turns over throwing 2 times every day, 8 hours, interval between stirring for twice.
Fermentation raw material can be made fully to become thoroughly decomposed by aerobic the continuously fermenting of this pool, be as good as stink and material is fluffy.In the process of first time fermentation, deodorizing after 2 days ~ 3 days temperature can rise to more than 55 DEG C, produce the organic sulfide of stink, organic nitrogen compound, robust fibre etc. in decomposable asymmetric choice net ight soil, continuous high temperature can kill germ in fermentation raw material, worm's ovum.
Step 230: one time fermentation product load wagon step 220 obtained or forklift are transported to stacking field and carry out second time fermentation, and the time is 10 days ~ 15 days, obtains Secondary Fermentation product.Second time fermentation is fermented further in order to first time fermentation is obtained one time fermentation product, become thoroughly decomposed, decomposes, and carry out Temperature fall, to get rid of obnoxious flavour.
Step 240: Secondary Fermentation product drying step 230 obtained, screening obtain powdery fertilizer.
After measured, in the powdery fertilizer that step 240 obtains: N-P-K content is more than 5%, organic (in butt) content is more than 45%, and moisture, lower than 30%, has reached People's Republic of China's agricultural industry criteria (NY-525-2012).
It should be noted that Secondary Fermentation product that step 230 obtains also drying, screening, granulation can obtain granular organic fertilizer.
The fertilizer obtained is produced according to fermentation technology for organic fertilizer of the present invention, wherein beneficial microorganism can also secrete multiple meta-bolites, comprise: vinelandii, silicate bacteria, Mineralization of organic phosphorus bacterium, milk-acid bacteria and genus bacillus etc., after these meta-bolitess contact with root system of plant, crop growth can be stimulated, regulate metabolism, improve the comprehensive resist ability of farm crop.
Simultaneously, adopt the continuous aerobic fermentation technology of pool on beneficial microorganism basis, people is for providing temperature needed for fermentation of organic wastes and oxygen, carry out under making the controlled condition of material fermentation in organic matter fermenting tank, decrease the impact of occurring in nature unfavorable factor, guarantee can produce, and this technology can match with technology such as livestock and poultry cultivation, municipal sludge, filter mud of sugar refinery, paper mill sludge, vinasse throughout the year.Meanwhile, adopt this zymotechnique technology and fermentation to turn over to cast standby, machine many ponds parallel connection can be realized according to user situation and produce.If process fermentation raw material 40m every day
3, calculate by over 330 days every year, then can reach the finished product fertilizer of fermentation capacity 5000 tons every year, industrial scale is large.
Embodiment 2
In the description of embodiment 2, do not repeat them here with the something in common of embodiment 1, only describe the difference with embodiment 1.Embodiment 2 is with the difference of embodiment 1, fresh for solid organic castoff chicken manure 750kg (water content is 55%), microbial fermentation inoculum (comprising yeast, genus bacillus, filamentous fungus, actinomycetes mixture) 249.9kg and auxiliary material mushroom residue 0.1kg are mixed, obtains fermentation raw material.The heap height of fermentation raw material in organic matter fermenting tank is 100cm, carries out first time fermentation.Wherein, leavening temperature is about 60 DEG C, and fermentation time is 8 days, and period constantly stirs fermentation raw material by turnover throwing machine, makes it fully to contact with air, obtains one time fermentation product.Then carry out second time fermentation to described one time fermentation product, the time is 15 days, obtains Secondary Fermentation product, and the Secondary Fermentation product drying obtained, screening, granulation obtain granular organic fertilizer.
All the other steps are with reference to shown in embodiment 1.
Although illustrate and describe the present invention with reference to specific embodiment, but it should be appreciated by those skilled in the art that: when not departing from the spirit and scope of the present invention by claim and equivalents thereof, the various changes in form and details can be carried out at this.
Claims (6)
1. an organic fertilizer fermentation method, is characterized in that, takes that pool is aerobic continuously ferments, and specifically comprises step:
A, solid organic castoff, microbial fermentation inoculum and auxiliary material to be mixed according to predetermined proportion, obtain fermentation raw material;
Wherein, the ratio of described solid organic castoff, microbial fermentation inoculum and auxiliary material is 70 ~ 75: 29.99 ~ 24.99: 0.01, makes the carbon-nitrogen ratio in described fermentation raw material be 25 ~ 30: 1;
B, make described fermentation raw material be not less than the first time aerobic fermentation carrying out being no less than 7 days at 55 DEG C in temperature, obtain one time fermentation product;
C, described one time fermentation product carried out at normal temperatures second time fermentation, within 10 ~ 15 days, obtain Secondary Fermentation product;
D, the process of described Secondary Fermentation product drying is obtained fertilizer.
2. organic fertilizer fermentation method according to claim 1, it is characterized in that, the concrete grammar of described step B comprises: the fermentation raw material that steps A obtained is sent in fermentation vat, and described proferment stockpile height is 80cm ~ 100cm, stack length and described fermentation vat feeding mouth to discharge port ratio of distances constant is 1:7 ~ 10;
Utilize turnover throwing machine to make described fermentation raw material in described fermentation vat, stir fermentation and move to described discharge port from described feeding mouth gradually, obtain one time fermentation product at described discharge port.
3. organic fertilizer fermentation method according to claim 2, is characterized in that, described in the every angel of described turnover throwing machine, the distance of fermentation raw material movement equals the stacking length of described fermentation raw material.
4. organic fertilizer fermentation method according to claim 1, is characterized in that, in step, described solid organic castoff to be water content be 50% ~ 55% chicken manure.
5. organic fertilizer fermentation method according to claim 1, is characterized in that, in step, described microbial fermentation inoculum comprises at least one in yeast, genus bacillus, filamentous fungus, actinomycetes.
6. organic fertilizer fermentation method according to claim 1, is characterized in that, in step, described auxiliary material comprises at least one in mushroom residue, stalk.
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Cited By (11)
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| CN105084693A (en) * | 2015-09-23 | 2015-11-25 | 吴永忠 | Biological high-temperature aerobic fermentation technology of sludge |
| CN105948853A (en) * | 2016-04-28 | 2016-09-21 | 四川鑫隆康源农业科技有限公司 | Organic fertilizer stack-type fermentation method with mushroom dreg as substrate |
| CN105948851A (en) * | 2016-04-28 | 2016-09-21 | 四川鑫隆康源农业科技有限公司 | Microbial fertilizer |
| CN105948841A (en) * | 2016-04-28 | 2016-09-21 | 四川鑫隆康源农业科技有限公司 | Trough fermentation method of mushroom residue-based organic fertilizer |
| CN106673735A (en) * | 2016-12-23 | 2017-05-17 | 安徽赛澳生物工程有限公司 | Method for quickly degrading rice and wheat straw |
| CN106831027A (en) * | 2017-03-22 | 2017-06-13 | 北京史坦纳生物动力农业有限责任公司 | The manufacture method of biodynamic agriculture compost and compost fermentation pond |
| CN108530221A (en) * | 2017-03-06 | 2018-09-14 | 牛其永 | A method of producing organic fertilizer using excrement and organic waste |
| CN109053281A (en) * | 2018-08-15 | 2018-12-21 | 紫云自治县民生行正种养殖农民专业合作社 | A kind of organic preparation method for material of winter peach |
| CN110452041A (en) * | 2019-09-18 | 2019-11-15 | 安徽省淏天农业科技有限公司 | A kind of production technology of microbial-bacterial fertilizer |
| CN110885261A (en) * | 2019-11-13 | 2020-03-17 | 南京三美农业发展有限公司 | Fermentation production process of organic fertilizer |
| CN115572185A (en) * | 2022-09-07 | 2023-01-06 | 交通运输部公路科学研究所 | In-situ reduction method for collaborative fermentation of human excrement mud, kitchen waste and garden waste in expressway service facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106831027A (en) * | 2017-03-22 | 2017-06-13 | 北京史坦纳生物动力农业有限责任公司 | The manufacture method of biodynamic agriculture compost and compost fermentation pond |
| CN109053281A (en) * | 2018-08-15 | 2018-12-21 | 紫云自治县民生行正种养殖农民专业合作社 | A kind of organic preparation method for material of winter peach |
| CN110452041A (en) * | 2019-09-18 | 2019-11-15 | 安徽省淏天农业科技有限公司 | A kind of production technology of microbial-bacterial fertilizer |
| CN110885261A (en) * | 2019-11-13 | 2020-03-17 | 南京三美农业发展有限公司 | Fermentation production process of organic fertilizer |
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Application publication date: 20150107 |