CN102219581A - Method for producing organic fertilizer by utilizing fermentation packing in cage culture layer house - Google Patents
Method for producing organic fertilizer by utilizing fermentation packing in cage culture layer house Download PDFInfo
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- CN102219581A CN102219581A CN2011101134368A CN201110113436A CN102219581A CN 102219581 A CN102219581 A CN 102219581A CN 2011101134368 A CN2011101134368 A CN 2011101134368A CN 201110113436 A CN201110113436 A CN 201110113436A CN 102219581 A CN102219581 A CN 102219581A
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- fermentation
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- batterylaying
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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
Abstract
The invention discloses a method for producing an organic fertilizer by utilizing a fermentation packing in a cage culture layer house. The method comprises the following step: evenly mixing dried sawdust, dried rice husk, fresh chicken mature and water containing fermentation strains, and piling together for pilling fermentation; then transporting the fermented fermentation packing in the cage culture layer house so as to carry out groove type aerobic fermentation for 1.5-3 months; and clearing the fermented material out of the layer house and then carrying out the pilling fermentation again, after the pilling fermentation, airing the material until the content of water is less than or equal to 20% so as to obtain the organic fertilizer product. Through using the method, the efficient organic fertilizer can be produced, the environment in the layer house is improved, and simultaneously a series of difficultly treated problems, such as clearing, transportation, hazard-free treatment and the like, are solved. The method is ecological and environmentally-friendly, fully meets the requirement of sustainable development of aviculture, and has wide development prospects.
Description
Technical field
The present invention relates to a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer.
Background technology
In recent years, increasing rapidly of China's batterylaying quantity made important contribution for the demand that satisfies the whole nation guarantees the birds, beasts and eggs supply.But along with the increase of batterylaying quantity, the laying hen fecal pollution is serious day by day, and particularly in summer, envrionment temperature height, chicken manure water content are big, gas ammonia particularly in the hen house, and damage ratio is more serious, and these obnoxious flavoures are harmful to people and poultry.Though artificial clear excrement or the clear excrement of machinery can be handled ight soil in the laying hen house, labour intensity is big, and chicken manure goes out back liquefaction rapidly clearly from hen house, can't the centralized collection transportation.The chicken manure that goes out clearly not only takies space, a large amount of place, the stench taste is serious, has also grown a large amount of bacteriums and mosquito, the severe contamination surrounding environment, and being transported to fermentation from hen house has simultaneously increased transportation cost.In addition since summer the chicken manure water content big, particularly 3 months 7-9 months chicken manure be the watery soup shape, stench is serious, can't transport out to make fertilizer at all.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer, this method not only can produce efficient organic fertilizer, improve the environment in the hen house, also solved the cleaning, transportation of chicken manure, reluctant a series of problems such as innoxious simultaneously.This method ecology, environmental protection meet the needs of aviculture Sustainable development fully, and vast potential for future development is arranged.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer, it is characterized in that,
A is the dried sawdust of ready water content 8-10%, the dried rice husk of water content 8-10%, and mixing to place according to 1: 1 mass ratio needs fermentation place, again to wherein adding the fresh chicken manure that water content is 60-75%; The weight part of described dried sawdust, dried rice husk and fresh chicken manure is respectively dried sawdust 42-45, dried rice husk 42-45, fresh chicken manure 10-15;
B is dissolved in the water the fermented bacterium subtilis, and the addition of described subtilis is 0.08-0.2% (bacteria content＞10 of living of quality
8Individual/ml water); The water that will be dissolved with subtilis again inserts in the material of step a; The mass ratio of described water and material is 1: 1;
C mixes material and the water of step b, piles up one, carries out heap fermentation; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (being total heap fermentation time: 8-10 days winter, 5-6 days summer, 6-9 days season in spring and autumn) naturally, be considered as fermentation and finish, can be transported to the fermentation bedding and padding that ferment in the house and use;
The fermentation bedding and padding that d will ferment are transported to and carry out trough type fermentation (be chicken manure fall into fermenter ferment) in the batterylaying house; The bedding thickness of described fermentation bedding and padding is 30-50cm; The density of chicken is 32 chickens on every square metre of fermenter on the described fermentation bedding and padding; (humidity will be replenished a certain amount of moisture less than 40% to moisture controlled at 40-50% in the fermenting process; Humidity is higher than 50%, and the ventilation and the bedding and padding that increase in the hen house stir frequency), and every day the fermentation bedding and padding that fall to having chicken manure are carried out 〉=1 time scarifying;
Individual month of e fermentation bedding and padding aerobic fermentation 1.5-3 in batterylaying is given up, aerobic fermentation is finished, the abundant slaking of fermentation bedding and padding; Material after will ferment this moment cleans out hen house, carry out heap fermentation again one time, treat that it ℃ 2 days (is total heap fermentation time: 8-10 days winter, 5-6 days summer that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 naturally, 6-9 days season in spring and autumn), being considered as fermentation finishes; Material is dried to moisture≤20%, promptly get organic fertilizer product.
Further, the aerobic fermentation time is among the described step e: winter, thickness was that the fermentation pad material fermentation time of 50cm is 3 months, summer, thickness was that the fermentation pad material fermentation time of 30cm is 1.5 months, and spring and autumn thickness is that the fermentation pad material fermentation time of 40cm is 2 months.
Further, the temperature among the described step e in the fermentation bedding and padding remains on 35-55 ℃ (can adjust by adjusting room temp), and this moment, the fermented bacterium activity was the strongest.
Heap fermentation requires piling height 〉=1 meter among described step c and the e.
Described fermenter is for going deep into ground type (with digging 30-50cm under the batterylaying chicken manure groove), semi-underground type or ground following formula (the chicken manure groove of 30-50cm above ground level), the length of described fermenter is consistent with chicken coop length, the width of width and chicken coop cage position consistent evenly is tiled in the fermentation bedding and padding that ferment in the fermenter under the batterylaying.
Carry out aerobic fermentation in the laying hen house of the present invention, measure the gaseous constituent that fermentation produces.NH behind the application of fermentation bedding and padding
3Concentration is reduced to 0-0.23ppm, H
2S is reduced to 0.12-0.32ppm; And do not add fermentation NH in batterylaying house during bedding and padding
3Concentration is 0.67-0.87ppm, H
2S concentration is 0.65-0.85ppm; Therefore the present invention has obviously improved the environment of hen house.
Adopt the resulting fertilizer total nutrient of the inventive method content 4.93-5.18%, organic content is 57.9-61.59%, and pH is 7.24-7.38, reaches the fertilizer content standard fully.
The invention has the beneficial effects as follows: the present invention has initiated the making of fermentation bedding and padding in a kind of batterylaying house and has successfully carried out the method that the harmless treatment chicken manure is produced fertilizer, research by experiment, the aquaculture model of suitable China's actual conditions has been proposed, carry out the environmental protection bedding and padding in ten thousand batterylaying hen houses of 5000-2 and produce the complete set technology of fertilizer, provide a kind of working method for handling chicken manure production fertilizer in the present batterylaying hen house, solved the problem of chicken manure difficult treatment in the batterylaying house, during chicken manure is handled, in the hen house environment be improved significantly, can keep the clean environment in the batterylaying house, simultaneously chicken manure being made efficient organic fertilizer has also increased a part of income for numerous raisers.
The present invention has initiated the interior pattern of utilizing the fermentation bedding and padding to carry out organic fertilizer production of the hen house of raising in cages, and a kind of new approaches of chicken manure processing are provided for vast breeding layer chicken field (family).The inventive method is simple, is convenient to operation, need not the collection and the transport process of chicken manure, and does not need to take specially the organic fertilizer production place, and the fertilizer fertilizer efficiency height that produces can improve environment of chicken house simultaneously.Also solved simultaneously hen house ight soil and be difficult to handle, particularly rare, the problem that is difficult to transport and handle of chicken manure in three months summers (7,8,9).
Embodiment
Further describe the present invention below in conjunction with concrete example, advantage of the present invention and characteristics will be more clear along with describing.But these examples only are exemplary, scope of the present invention are not constituted any restriction.It will be understood by those skilled in the art that under without departing from the spirit and scope of the present invention and can make amendment and replace, but these modifications and replacing all fall within the scope of protection of the present invention ins and outs of the present invention and form.
The present embodiment bacterial classification is available from Shandong Huamutianyuan Animal Products Co., Ltd..
The bedding and padding that embodiment 50cm in 1 winter is thick carry out organic fertilizer production in the hen house
1 organic fertilizer production technical process is
1.1 with the dried sawdust of ready water content 8-10%, the dried rice husk of water content 8-10%, mixing to place according to 1: 1 mass ratio needs fermentation place, is 65% fresh chicken manure to wherein adding water content again; The weight part of described dried sawdust, dried rice husk and fresh chicken manure is respectively dried sawdust 43.7, dried rice husk 43.7, fresh chicken manure 12.6;
1.2 the fermented bacterium subtilis is dissolved in the water, the addition of described subtilis is 0.12% (bacteria content＞10 of living of quality
8Individual/ml water); The water that will be dissolved with subtilis again inserts in the material of step 1.1; The mass ratio of described water and material is 1: 1;
1.3 material and water are mixed, pile up one, carry out heap fermentation; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (8-10 days altogether heap fermentation time) naturally, is considered as fermentation and finishes;
1.4 the material that ferments changed in the batterylaying house carries out aerobic fermentation, during the aerobic fermentation, at least carry out a scarifying every day, temperature can reach 40-55 ℃ during the aerobic fermentation, continue 3 months, keep humidity at 40-50% during this time, the density of chicken is 32 chickens on every square metre of fermenter on the described fermentation bedding and padding; Fermentation ends is carried out heap fermentation again after disposable cleaning is gone out; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (8-10 days altogether heap fermentation time) naturally, is considered as fermentation and finishes.
The change of environment of chicken house and fertilizer efficiency analysis between 2 yeast phases
2.13 between individual month yeast phase, regularly measure the gas that fermentation produces, NH
3And H
2S concentration obviously reduces, NH
3Concentration reduces to 0.14ppm by original 0.77ppm, H
2S concentration reduces to 0.23ppm by original 0.85ppm.Ferment bedding and padding under the effect of fermented bacterium, NH in the air
3And H
2The concentration of S significantly reduces, environment be improved significantly.
2.2 fertilizer fertilizer efficiency research
Experimental study shows: the thick fermentation bedding and padding of 50cm in winter aerobic fermentation 3 months in the batterylaying house, and total nutrient and fertilizer organic content are as follows in the bedding and padding:
The fertilizer fertilizer efficiency of table 1 embodiment 1 preparation
Above-mentioned material makes moisture controlled below 20% through airing, promptly produces the high fertilizer of fertilizer efficiency, the intact fertilizer required standard that exceeds of its index.
Example 2: the thick bedding and padding of 30cm in summer are raised in cages and are carried out organic fertilizer production in the hen house
2 organic fertilizer production technical process are
2.1 with the dried sawdust of ready water content 9%, the dried rice husk of water content 9%, mixing to place according to 1: 1 mass ratio needs fermentation place, is 75% fresh chicken manure to wherein adding water content again; The weight part of described dried sawdust, dried rice husk and fresh chicken manure is respectively dried sawdust 45, dried rice husk 45, fresh chicken manure 10;
2.2 the fermented bacterium subtilis is dissolved in the water, the addition of described subtilis is 0.15% (bacteria content＞10 of living of quality
8Individual/ml water); The water that will be dissolved with subtilis again inserts in the material of step 2.1; The mass ratio of described water and material is 1: 1;
2.3 material and water are mixed, pile up one; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (5-6 days altogether heap fermentation time) naturally, is considered as fermentation and finishes.
2.4 the material that ferments changed in the batterylaying house carries out aerobic fermentation, during the aerobic fermentation, at least carry out a scarifying every day, temperature can reach 40-55 ℃ during the aerobic fermentation, continue 1.5 months, keep humidity at 40-50% during this time, the density of chicken is 32 chickens on every square metre of fermenter on the described fermentation bedding and padding; Fermentation ends is carried out heap fermentation again after disposable cleaning is gone out; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (5-6 days altogether heap fermentation time) naturally, is considered as fermentation and finishes.
The change of environment of chicken house and fertilizer efficiency analysis between 3 yeast phases
3.1 between 1.5 months yeast phases, regularly measure the gas that fermentation produces, NH
3And H
2S concentration obviously reduces, NH
3Concentration is reduced to 0.23ppm by original 0.87ppm, H
2S concentration is reduced to 0.12ppm by original 0.65ppm.Ferment bedding and padding under the effect of fermented bacterium, NH in the air
3And H
2The concentration of S significantly reduces, environment be improved significantly.
3.2 fertilizer fertilizer efficiency research
Experimental study shows: the thick fermentation bedding and padding of 30cm in summer aerobic fermentation 1.5 months in the batterylaying house, and total nutrient and fertilizer organic content are as follows in the bedding and padding:
The fertilizer fertilizer efficiency of table 2 embodiment 2 preparations
Above-mentioned material makes moisture controlled below 20% through airing, promptly produces the high fertilizer of fertilizer efficiency, the intact fertilizer required standard that exceeds of its index.
Example 3: season in spring and autumn 40cm hassock material
3 organic fertilizer production technical process are
3.1 with the dried sawdust of ready water content 9.5%, the dried rice husk of water content 9.5%, mixing to place according to 1: 1 mass ratio needs fermentation place, is 68% fresh chicken manure to wherein adding water content again; The weight part of described dried sawdust, dried rice husk and fresh chicken manure is respectively dried sawdust 43.5, dried rice husk 43.5, fresh chicken manure 13;
3.2 the fermented bacterium subtilis is dissolved in the water, the addition of described subtilis is 0.18% (bacteria content＞10 of living of quality
8Individual/ml water); The water that will be dissolved with subtilis again inserts in the material of step 3.1; The mass ratio of described water and material is 1: 1;
3.3 material and water are mixed, pile up one; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (6-9 days altogether heap fermentation time) naturally, is considered as fermentation and finishes.
1.4 the material that ferments changed in the batterylaying house carries out aerobic fermentation, during the aerobic fermentation, at least carry out a scarifying every day, temperature can reach 40-55 ℃ during the aerobic fermentation, continue 2 months, keep humidity at 40-50% during this time, the density of chicken is 32 chickens on every square metre of fermenter on the described fermentation bedding and padding; Fermentation ends is carried out heap fermentation again after disposable cleaning is gone out; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days (6-9 days altogether heap fermentation time) naturally, is considered as fermentation and finishes.
The change of environment of chicken house and fertilizer efficiency analysis between 4 yeast phases
4.12 between individual month yeast phase, regularly measure the gas that fermentation produces, NH
3And H
2S concentration obviously reduces, NH
3Concentration is reduced to 0ppm by original 0.67ppm, H
2S concentration is reduced to 0.32ppm by original 0.75ppm.Ferment bedding and padding under the effect of fermented bacterium, NH in the air
3And H
2The concentration of S significantly reduces, environment be improved significantly.
4.2 fertilizer fertilizer efficiency research
Experimental study shows: the thick fermentation bedding and padding of spring and autumn 40cm aerobic fermentation 2 months in the batterylaying house, and total nutrient and fertilizer organic content are as follows in the bedding and padding:
The fertilizer fertilizer efficiency of table 3 embodiment 3 preparations
Above-mentioned material makes moisture controlled below 20% through airing, promptly produces the high fertilizer of fertilizer efficiency, the intact fertilizer required standard that exceeds of its index.
Table 4 compares with the fertilizer efficiency that batch production utilizes treating chicken manure through biological fermentation technology to make fertilizer
As can be seen from the above table, batch production handle chicken manure fermenting after the stage fertilizer total nutrient be 4.2-4.3%, organic content is 32%, and it is big once to add the chicken manure amount, labour intensity is big.The interior total nutrient of making fertilizer of the hen house of raising in cages is 4.93-5.18%, and organic content is handled apparently higher than batch production up to 57.9-61.59%.
In the chicken manure fermenting process, leavening temperature maintained 70 ℃ more than 2 days, and bacterium, virus and parasite in the chicken manure all are killed, and therefore by behind the heap fermentation in early stage and behind the later stage heap fermentation, chicken manure can not become the contagium of disease.
The common fowl transmissible disease of table 5 virus is killed temperature and is killed the time
| Common fowl transmissible disease | Kill temperature (℃) | Required time (min) |
| Avian pneumo-encephalitis virus | 56 | ?30-90 |
| Bursal disease virus | 60 | ?30 |
| Pass a virus | 56 | ?15 |
| Avian influenza virus | 56 | ?30 |
| Infectious laryngotracheitis virus | 55 | ?30 |
| The chicken egg-decreasing syndrome | 60 | ?30 |
| Fowlpox virus | 50 | ?30 |
| Infectious bovine rhinotracheitis | 45 | ?6 |
| Intestinal bacteria | 60-70 | 30 |
| Salmonellas | 70 | 15-30 |
| Mycoplasma gallisepticum | 50 | 20 |
| Pasteurella multocida | 60 | 1 |
| Clostridieum welchii | 60-70 | 180 |
| The coccidia worm's ovum | 60 | 20 |
| The chicken roundworm | 45 | 5 |
Claims (5)
1. a method of utilizing batterylaying house fermentation bedding and padding to make fertilizer is characterized in that,
A is the dried sawdust of ready water content 8-10%, the dried rice husk of water content 8-10%, and mixing to place according to 1: 1 mass ratio needs fermentation place, again to wherein adding the fresh chicken manure that water content is 60-75%; The weight part of described dried sawdust, dried rice husk and fresh chicken manure is respectively dried sawdust 42-45, dried rice husk 42-45, fresh chicken manure 10-15;
B is dissolved in the water the fermented bacterium subtilis, and the addition of described subtilis is the 0.08-0.2% of quality; The water that will be dissolved with subtilis again inserts in the material of step a; The mass ratio of described water and material is 1: 1;
C mixes material and the water of step b, piles up one, carries out heap fermentation; Treat that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days naturally, is considered as fermentation and finishes;
The fermentation bedding and padding that d will ferment are transported in the batterylaying house and carry out trough type fermentation; The bedding thickness of described fermentation bedding and padding is 30-50cm; The density of chicken is 32 chickens on every square metre of fermenter on the described fermentation bedding and padding; Moisture controlled is at 40-50% in the fermenting process, and every day the fermentation bedding and padding that fall to having chicken manure carried out 〉=1 time scarifying; Described trough type fermentation is that chicken manure falls into fermenter and ferments;
Individual month of e fermentation bedding and padding aerobic fermentation 1.5-3 in batterylaying is given up, aerobic fermentation is finished, the abundant slaking of fermentation bedding and padding; This moment, the material after will ferment cleaned out hen house, carried out heap fermentation again one time, treated that the heap fermentation temperature rises to 70 ℃ and holding temperature 〉=70 ℃ 2 days naturally, is considered as fermenting and finishes; Material is dried to moisture≤20%, promptly get organic fertilizer product.
2. a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer as claimed in claim 1, it is characterized in that, the aerobic fermentation time is among the described step e: winter, thickness was that the fermentation pad material fermentation time of 50cm is 3 months, summer, thickness was that the fermentation pad material fermentation time of 30cm is 1.5 months, and spring and autumn thickness is that the fermentation pad material fermentation time of 40cm is 2 months.
3. a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer as claimed in claim 1 or 2 is characterized in that the temperature among the described step e in the fermentation bedding and padding remains on 35-55 ℃.
4. a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer as claimed in claim 1 or 2 is characterized in that, heap fermentation requires piling height 〉=1 meter among described step c and the e.
5. a kind of method of utilizing batterylaying house fermentation bedding and padding to make fertilizer as claimed in claim 1 or 2, it is characterized in that, described fermenter is for going deep into ground type, semi-underground type or ground following formula, the length of described fermenter is consistent with chicken coop length, the width of width and chicken coop cage position consistent evenly is tiled in the fermentation bedding and padding that ferment in the fermenter under the batterylaying.
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| CN102898186A (en) * | 2012-10-30 | 2013-01-30 | 肥西老母鸡农牧科技有限公司 | Chicken manure treatment method |
| CN102924143A (en) * | 2012-11-22 | 2013-02-13 | 广西梧州市三木生态农业科技有限公司 | Method for treating excrement and urine of cage-reared livestock |
| CN103229704A (en) * | 2013-05-09 | 2013-08-07 | 华东师范大学 | Nutrient and nontoxic culture medium of pot plant and preparation method thereof |
| CN106417243A (en) * | 2016-08-02 | 2017-02-22 | 中山市晶丰照明科技有限公司 | LED mosquito-repelling lamp |
| CN106973820A (en) * | 2017-05-18 | 2017-07-25 | 山东凤祥股份有限公司 | Fermentation, pack outward transport method for non-pollution processing in a kind of bedding and padding chicken manure house |
| CN107721593A (en) * | 2017-11-02 | 2018-02-23 | 广西壮族自治区金秀瑶族自治县科学技术情报研究所 | Chinese yew slow release fertilizer and preparation method thereof |
| CN107915504A (en) * | 2016-10-08 | 2018-04-17 | 上海绅澜投资管理咨询有限公司 | The method that cultivated animals bedding and padding are converted into agricultural fertilizer |
| CN108069785A (en) * | 2018-02-06 | 2018-05-25 | 高安宝迪生态农业科技有限公司 | Safe and efficient microbial organic fertilizer and preparation method thereof |
| CN108947600A (en) * | 2018-08-15 | 2018-12-07 | 北京奥合兴科技有限公司 | The preparation method and organic fertilizer of organic fertilizer |
| CN112125708A (en) * | 2020-08-05 | 2020-12-25 | 广州广兴三友环保设备有限公司 | Preparation method of chicken manure tank type aerobic fermentation organic fertilizer |
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| CN102898186A (en) * | 2012-10-30 | 2013-01-30 | 肥西老母鸡农牧科技有限公司 | Chicken manure treatment method |
| CN102924143A (en) * | 2012-11-22 | 2013-02-13 | 广西梧州市三木生态农业科技有限公司 | Method for treating excrement and urine of cage-reared livestock |
| CN103229704A (en) * | 2013-05-09 | 2013-08-07 | 华东师范大学 | Nutrient and nontoxic culture medium of pot plant and preparation method thereof |
| CN106417243A (en) * | 2016-08-02 | 2017-02-22 | 中山市晶丰照明科技有限公司 | LED mosquito-repelling lamp |
| CN107915504A (en) * | 2016-10-08 | 2018-04-17 | 上海绅澜投资管理咨询有限公司 | The method that cultivated animals bedding and padding are converted into agricultural fertilizer |
| CN106973820A (en) * | 2017-05-18 | 2017-07-25 | 山东凤祥股份有限公司 | Fermentation, pack outward transport method for non-pollution processing in a kind of bedding and padding chicken manure house |
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| CN107721593A (en) * | 2017-11-02 | 2018-02-23 | 广西壮族自治区金秀瑶族自治县科学技术情报研究所 | Chinese yew slow release fertilizer and preparation method thereof |
| CN108069785A (en) * | 2018-02-06 | 2018-05-25 | 高安宝迪生态农业科技有限公司 | Safe and efficient microbial organic fertilizer and preparation method thereof |
| CN108947600A (en) * | 2018-08-15 | 2018-12-07 | 北京奥合兴科技有限公司 | The preparation method and organic fertilizer of organic fertilizer |
| CN112125708A (en) * | 2020-08-05 | 2020-12-25 | 广州广兴三友环保设备有限公司 | Preparation method of chicken manure tank type aerobic fermentation organic fertilizer |
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