CN106348974A - Goat-manure organic fertilizer and preparation method thereof - Google Patents
Goat-manure organic fertilizer and preparation method thereof Download PDFInfo
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- CN106348974A CN106348974A CN201610873160.6A CN201610873160A CN106348974A CN 106348974 A CN106348974 A CN 106348974A CN 201610873160 A CN201610873160 A CN 201610873160A CN 106348974 A CN106348974 A CN 106348974A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
- 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
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
-
- 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
- C05F17/90—Apparatus therefor
- C05F17/964—Constructional parts, e.g. floors, covers or doors
- C05F17/971—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material
- C05F17/979—Constructional parts, e.g. floors, covers or doors for feeding or discharging materials to be treated; for feeding or discharging other material the other material being gaseous
-
- 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
-
- 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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a goat-manure organic fertilizer and a preparation method thereof. The goat-manure organic fertilizer contains the raw materials in parts by mass: 60-70 parts of goat manure, 20-30 parts of wheat straw powder, 20-30 parts of corn stalk powder, 6-8 parts of pine cone powder, 8-10 parts of rice straws and 10-13 parts of saccharomycetes. The preparation method of the goat-manure organic fertilizer comprises the following steps: (1) weighing the raw materials (in parts by mass), then, adding the weighed raw materials into a stirrer, adding 10 parts of water into the stirrer, and carrying out stirring; (2) continuously adding quicklime powder into the stirrer while carrying out stirring, so as to adjust the pH value of the mixture to 6.8 to 7.2; (3) after uniform stirring, transferring the mixture to a fermentation tank, and carrying out fermentation for 20 to 23 days in an aerobic environment; (4) after the fermentation is completed, baking the mixture, carrying out crushing and granulating, and then, carrying out packaging, thereby obtaining the goat-manure organic fertilizer. According to the goat-manure organic fertilizer prepared by the preparation method, the condition of dead seedlings caused by high temperature or concentrated chemicals does not occur, and the fermentation time is shortened greatly and needs 20 to 23 days only.
Description
Technical field
The invention belongs to organic fertilizer technical field is and in particular to a kind of sheep stool fertilizer and preparation method thereof.
Background technology
In the countries in the world especially developed country such as the U.S., West Europe, Japan, rising the ecological agriculture and organic agriculture,
Attach great importance to manure use material, and organic fertilizer is defined as producing the main source of manure of pollution-free food.Administration has sheep stool machine fertile
The material most important is just the increase in the organic substance of soil.Although organic content only accounts for the percentage of topsoil soils total amount
Zero point several to a few percent, but it is the nucleuses of soil, the main matter basis being soil fertility.Organic fertilizer is to soil
Nutrient in the structure of earth, soil, energy, enzyme, moisture, ventilation and microbial activity etc. have highly important impact.
Sheep stool organic fertilizer contains a large amount of nutritional labelings of plant needs, more lasting than shallower to the nutrient supply of plant,
There is very long aftereffect.Sheep stool organic fertilizer also contains various trace elements.Due to nutrient ratios various in sheep stool organic fertilizer
Relatively complete, and these materials are entirely the natural material of nontoxic, harmless, pollution-free pure natural, this is just to produce high yield, excellent
Matter, free of contamination pollution-free food provide must condition.Organic fertilizer contains various saccharides, and application of organic fertilizers increased in soil
Various saccharides.There is saccharide, have the big energy that Organic substance discharges in degraded, the growth of soil microorganism, growth, breeding
Activity just has the energy.
Sheep stool just in animal alimentary canal secretion various organized enzymes, and microorganism produce various enzymes.Administration has
Machine fertilizer substantially increases the enzymatic activity of soil, is conducive to improving absorbent properties, shock-absorbing capacity and the anti-adversity of soil.Administration has
Machine fertilizer increased the organic colloid in soil, cementing for soil particle, become stable crumb structure, improves soil
Physics, chemistry and biological nature, improve soil water-retaining, fertilizer conservation and permeability.Create good soil for plant growing
Environment.
Sheep stool fertilizer needs fermentation of sufficiently becoming thoroughly decomposed, and is conducive to destroying worm's ovum therein, noxious bacteria etc., and can suppress
The growing of some diseases, in order to avoid these diseases produce the normal growth that harmful microorganism hinders plant.As Publication No.
Cn105175164a discloses a kind of sheep stool fertilizer, is prepared by the raw materials in: pretreated sheep stool 60～
80 parts, 10～20 parts of plant ash, 10～15 parts of sheep stool leaven, 3～5 parts of banana puree, 10～20 parts of sawdust and powder of straw 20～
40 parts.When carrying out fermentation sheep stool fertilizer using above-mentioned formula, fermentation time is longer, needs 30 ~ 45 days, and the method is to use
Hermetic bag is closed and to be carried out anaerobic fermentation.When but sheep stool fermentation to use as vegetable fertilizer, if using anaerobic fermentation, sealing
Cannot breathe freely in bag, can lead to energy in sheep stool cannot complete fermentation complete, when sheep stool fertilizer is manured into soil middle, sheep stool
Supervention ferment can be relayed in soil, produce substantial amounts of heat, burn out the root of seedling, therefore sheep stool fertilizer is as Fertilizer application
When it should use aerobic fermentation.
Content of the invention
The invention is intended to providing a kind of sheep stool fertilizer and preparation method thereof, to solve current sheep stool organic fertilizer fermentation
When, fermentation time is long, and adopts anaerobic fermentation, the problem of easy burn-out seedling root.
One of this programme sheep stool fertilizer, is made up of the raw material of following masses number: 60 ~ 70 parts of sheep stool, wheat straw
20 ~ 30 parts of stalk powder, 20 ~ 30 parts of corn stalk powder, 6 ~ 8 parts of strobile powder, 8 ~ 10 parts of Caulis et Folium Oryzae, 10 ~ 13 parts of yeast.
Preferably, the optimal proportioning raw materials of this sheep stool fertilizer are: 65 parts of sheep stool, 25 parts of wheat stalk powder, corn straw
25 parts of powder, 7 parts of strobile powder, 9 parts of Caulis et Folium Oryzae, 12 parts of yeast.
The preparation method of this sheep stool fertilizer comprises the following steps:
Step one, each raw material is weighed by mass fraction after add blender, and add 10 parts of water, stir simultaneously；
Step 2, stirring while, constantly add calcium lime powder, be adjusted to ph value for 6.8 ~ 7.2；
Step 3, stir after, mixture is transferred in fermentation tank, in aerobic environment bottom fermentation 20 ~ 23 days；
After the completion of step 4, fermentation, mixture is dried, pulverizes, packaging obtains final product sheep stool fertilizer after pelletize.
In step 3, described fermentation tank includes tank body, is provided with the sieve plate for placing mixture in described tank body, described
Tank body is separated out the fermenting cellar above sieve plate and the breather chamber below sieve plate by sieve plate, and described sieve plate is provided with ventilative
Hole, the aperture of described air-vent is 5mm, and the side wall of described fermenting cellar is provided with material inlet/outlet, temperature-measuring port and sample tap, described
The top of fermenting cellar is provided with air vent, and described breather chamber is circumscribed with whirlpool blower fan by pipeline, and described pipeline is provided with valve
And glass rotameter, described glass rotameter is positioned between valve and breather chamber.
The principle of the present invention: in the composition of raw materials of the present invention, sheep stool is as primary raw material, the wherein content of organic matter relatively
Height, up to 30%～40%, nitrogen, potassium content, up to more than 1%, can be increase soil fertility as organic fertilizer, improved soil.Semen Tritici aestivi
Powder of straw and corn stalk powder are provided that abundant carbon and nitrogen, and can improve the breathability in sheep stool fertilizer.
Contain volatile oil and resin in strobile powder, be favorably improved nutritive value in sheep stool fertilizer, and sheep stool can be promoted to ferment.Caulis et Folium Oryzae
Insulation can be played and carbon source, the effect of nitrogen source are provided.Yeast is amphimicrobion, under conditions of having oxygen it
Belong to aerobic fermentation bacterium, in the present invention it is necessary to yeast is fermented under aerobic environment.
In the sheep stool preparation method of organic fertilizer of the present invention, because each raw material mixes, moisture very little, is unfavorable for fermenting
Carrying out it is therefore desirable to add 10 parts of water.Contain the pathogenic bacteria such as substantial amounts of coliform, nematicide and insect in sheep stool, constantly add life
During Calx, these pathogenic bacterias and insect can be killed, and due to each raw material mixing after, ph be in acidity, if
Direct fermentation is manured into soil again, can make soil acidification, hardenedization and impoverishment.Therefore quick lime also has regulation sheep stool mixture
The function of middle ph, in use, every 1 minute with ph detection paper once, can be adjusted to ph value for 6.8 ~ 7.2 with stirring.This
The bright fermentation process different from sheep stool in prior art, using aerobic fermentation, produce high temperature can kill pathogen and parasitism
Worm etc., thus reaching harmless treatment, and makes unstable Organic substance in poultry manure be gradually degraded as property by aerobic fermentation
Stably, the organic matter harmless to crop or soil conditioner, make feces of livestock and poultry realize recycling.
The present invention is fermented to sheep stool using special fermentation tank, opens material inlet/outlet, by sheep stool and each raw material
Mixture is deposited on sieve plate, sieve plate has air-vent, the aperture of air-vent is 5mm it is ensured that raw material will not be fallen from air-vent
The breather chamber of lower section.It is then shut off material inlet/outlet, opens whirlpool blower fan, whirlpool blower fan rotates can be by pipeline to breather chamber
Input a large amount of natural winds, and in natural wind, be rich in oxygen, natural wind is blown into sheep stool mixture from air-vent, promote having of sheep stool
Aerobe fermentation.Because suitable oxygen content (volume fraction) in heap body should be 8%～18%.When oxygen content is less than 8%, may
Lead to anaerobic fermentation, produce foul odour, compost failure;And when oxygen concentration is too high, might mean that ventilation is excessive, meeting
Heap body is led to cool down, composting cycle extends, the large number of viable such as pathogen.Valve and glass rotors stream are therefore provided with pipeline
Gauge, glass rotameter can detect be passed through vent chamber gas how many, thus calculating the indoor oxygen content of fermentation,
And be controlled by valve.Temperature-measuring port and sample tap is also had, temperature-measuring port is easy to detect the temperature of fermentation on the side wall of fermenting cellar
Degree, this is activity and the organic matter directly affecting microorganism because temperature is to determine the key factor that can compost smoothly complete
Decomposition rate, thus affecting the degree of humification of compost.Compost temperature is too low to make compost time lengthening, even result in compost
Failure.Temperature too high (70 DEG C of ＞) can be killed part beneficial microbe and be led to the extension even failure of composting process.Sheep stool
Fermentation room temperature be preferably controlled in 50～55 DEG C, therefore temperature-measuring port can detect whether fermentation temperature normal.The work of sample tap
With being can observe the real attenuation situation of sheep stool at any time, to make countermeasure at any time.Air vent is used for discharging fermentation
The gas of indoor generation, keeps the smooth of air.
Beneficial effects of the present invention: the present invention adds the fermentation that strobile powder to promote sheep stool on raw material, and adds
Yeast is fermented under aerobic environment by sheep stool, and the wheat stalk of addition, corn straw and Caulis et Folium Oryzae can allow sheep stool very
Loose, aeration more preferably, is conducive to oxygen to carry out, and promotes the carrying out of fermentation, shortens fermentation time, and aerobic fermentation can allow
All fermentation completes energy in sheep stool mixture, in order to avoid the middle situation occurring and burning root that is later manured into soil.And in preparation method
On, by adding quick lime, the pathogenic bacteria in sheep stool and worm's ovum can be killed moreover it is possible to adjust the ph of sheep stool mixture.The present invention is also
Fermentation for sheep stool specially devises a kind of fermentation tank, has an advantage in that oxygen-supply quantity during manual control fermentation, accelerates fermentation
Process, away from test, the sheep stool fertilizer of the present invention, fermentation time only needs 20 ~ 23 days, ferments in the sheep stool completing, total nitrogen increases
0.7%, total phosphorus increased 1.59%, after being manured into soil, can be that seedling provides more abundant nutrient.
Further, the side wall of described fermenting cellar and breather chamber is provided with heat-insulation layer.So can preferably ensure when fermenting
Temperature, it is to avoid fermentation temperature is too low, heat-insulation layer can be installed using eps polystyrene board and form.
Further, the bottom of described breather chamber is provided with leakage fluid dram, during fermentation, meeting trickle in foster excrement,
And penetrating into vent chamber with air-vent, the effect of leakage fluid dram is to discharge this partially liq of vent chamber.
Brief description
Fig. 1 is the structural representation of fermentation tank in the present invention a kind of sheep stool fertilizer and preparation method thereof.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes: whirlpool blower fan 1, pipeline 2, valve 3, glass rotameter 4, breather chamber 5,
Leakage fluid dram 6, fermenting cellar 7, temperature-measuring port 8, sample tap 9, material inlet/outlet 10, handle 11, heat-insulation layer 12, air vent 13, sieve plate 14.
Embodiment
A kind of sheep stool fertilizer, is made up of the raw material of following masses number: 60 ~ 70 parts of sheep stool, wheat stalk powder 20 ~ 30
Part, 20 ~ 30 parts of corn stalk powder, 6 ~ 8 parts of strobile powder, 8 ~ 10 parts of Caulis et Folium Oryzae, 10 ~ 13 parts of yeast.
The optimal proportion of this sheep stool fertilizer is: 65 parts of sheep stool, 25 parts of wheat stalk powder, 25 parts of corn stalk powder, strobile
7 parts of powder, 9 parts of Caulis et Folium Oryzae, 12 parts of yeast.
The preparation method of this sheep stool fertilizer comprises the following steps:
Step one, each raw material is weighed by mass fraction after add blender, and add 10 parts of water, stir simultaneously；
Step 2, stirring while, constantly add calcium lime powder, be adjusted to ph value for 6.8 ~ 7.2；
Step 3, stir after, mixture is transferred in fermentation tank, in aerobic environment bottom fermentation 20 ~ 23 days；
After the completion of step 4, fermentation, mixture is dried, pulverizes, packaging obtains final product sheep stool fertilizer after pelletize.
As shown in figure 1, fermentation tank includes tank body, it is provided with the sieve plate 14 for placing mixture in tank body, tank body is by sieve plate
14 are separated out the fermenting cellar 7 positioned at sieve plate 14 top and the breather chamber 5 below sieve plate, and sieve plate 14 is provided with air-vent, thoroughly
The aperture of pore is 5mm, and the side wall of fermenting cellar 7 is provided with material inlet/outlet 10, temperature-measuring port 8 and sample tap 9, material inlet/outlet 10
On handle 11 is installed, the top of fermenting cellar 7 is provided with air vent 13, and breather chamber 5 is circumscribed with whirlpool blower fan 1, pipeline by pipeline 2
Valve 3 and glass rotameter 4 are installed on 2, glass rotameter 4 is located between valve 3 and breather chamber 5.Fermenting cellar 7
It is provided with heat-insulation layer 12 with the side wall of breather chamber 5, heat-insulation layer 12 is installed by eps polystyrene board and formed.The bottom of breather chamber 5 sets
There is leakage fluid dram 6.
In fermentation, after the mixture of sheep stool and each raw material is mixed, other side, on sieve plate 14, is then turned on whirlpool to sheep stool
Blower fan 1, aerobic natural wind is passed through breather chamber 5 by whirlpool blower fan 1, then enters in mixture from the air-vent sieve plate 14, promotees
Enter the fermentation of sheep stool.
Using the preparation method of this fermentation tank and the present invention ferment sheep stool when, can effectively reduce the time of fermentation,
According to test, fermentation time only needs 20 ~ 23 days, and for prior art, fermentation time greatly shortens.And sent out using aerobic
Ferment, can allow sheep stool fully be fermented, and be not in the situation of burn seedlings.
Claims (3)
1. a kind of sheep stool fertilizer is it is characterised in that be made up of the raw material of following masses number: 60 ~ 70 parts of sheep stool, wheat stalk
20 ~ 30 parts of powder, 20 ~ 30 parts of corn stalk powder, 6 ~ 8 parts of strobile powder, 8 ~ 10 parts of Caulis et Folium Oryzae, 10 ~ 13 parts of yeast.
2. a kind of sheep stool fertilizer according to claim 1 it is characterised in that: be made up of the raw material of following masses number:
65 parts of sheep stool, 25 parts of wheat stalk powder, 25 parts of corn stalk powder, 7 parts of strobile powder, 9 parts of Caulis et Folium Oryzae, 12 parts of yeast.
3. preparation as claimed in claim 1 or 2 a kind of method of sheep stool fertilizer it is characterised in that: comprise the following steps:
Step one, each raw material is weighed by mass fraction after add blender, and add 10 parts of water, stir simultaneously；
Step 2, stirring while, constantly add calcium lime powder, be adjusted to ph value for 6.8 ~ 7.2；
Step 3, stir after, mixture is transferred in fermentation tank, in aerobic environment bottom fermentation 20 ~ 23 days；
After the completion of step 4, fermentation, mixture is dried, pulverizes, packaging obtains final product sheep stool fertilizer after pelletize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873160.6A CN106348974A (en) | 2016-09-30 | 2016-09-30 | Goat-manure organic fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873160.6A CN106348974A (en) | 2016-09-30 | 2016-09-30 | Goat-manure organic fertilizer and preparation method thereof |
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| CN106348974A true CN106348974A (en) | 2017-01-25 |
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| CN201610873160.6A Pending CN106348974A (en) | 2016-09-30 | 2016-09-30 | Goat-manure organic fertilizer and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500818A (en) * | 2017-09-14 | 2017-12-22 | 杭州瑞赛可环境工程有限公司 | The device and technique of low energy ultrasound enhancing aerobic microbiological processing organic waste |
| CN108892554A (en) * | 2018-08-21 | 2018-11-27 | 东北师范大学 | A kind of method that deer excrement and corn stover are mixed with organic fertilizer |
| CN112209750A (en) * | 2020-10-29 | 2021-01-12 | 连云港万泰装饰新材料有限公司 | Livestock and poultry manure treatment method |
| CN114716284A (en) * | 2022-04-15 | 2022-07-08 | 新昌县荣利农业有限公司 | Compound microbial fertilizer and preparation method thereof |
| CN114804940A (en) * | 2022-06-01 | 2022-07-29 | 杭州余杭三水果业有限公司 | Sheep manure organic fertilizer and preparation method thereof |
| CN119241288A (en) * | 2024-09-30 | 2025-01-03 | 中农垦草业有限公司 | Method and device for producing organic fertilizer by composting dairy manure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693412A (en) * | 2016-04-13 | 2016-06-22 | 嘉兴职业技术学院 | Preparation method of goat manure organic fertilizer and processing equipment thereof |
-
2016
- 2016-09-30 CN CN201610873160.6A patent/CN106348974A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693412A (en) * | 2016-04-13 | 2016-06-22 | 嘉兴职业技术学院 | Preparation method of goat manure organic fertilizer and processing equipment thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500818A (en) * | 2017-09-14 | 2017-12-22 | 杭州瑞赛可环境工程有限公司 | The device and technique of low energy ultrasound enhancing aerobic microbiological processing organic waste |
| CN108892554A (en) * | 2018-08-21 | 2018-11-27 | 东北师范大学 | A kind of method that deer excrement and corn stover are mixed with organic fertilizer |
| CN112209750A (en) * | 2020-10-29 | 2021-01-12 | 连云港万泰装饰新材料有限公司 | Livestock and poultry manure treatment method |
| CN114716284A (en) * | 2022-04-15 | 2022-07-08 | 新昌县荣利农业有限公司 | Compound microbial fertilizer and preparation method thereof |
| CN114804940A (en) * | 2022-06-01 | 2022-07-29 | 杭州余杭三水果业有限公司 | Sheep manure organic fertilizer and preparation method thereof |
| CN119241288A (en) * | 2024-09-30 | 2025-01-03 | 中农垦草业有限公司 | Method and device for producing organic fertilizer by composting dairy manure |
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Application publication date: 20170125 |