CN113816784A - Organic fertilizer containing pig manure and eucommia ulmoides wood and preparation method thereof - Google Patents
Organic fertilizer containing pig manure and eucommia ulmoides wood and preparation method thereof Download PDFInfo
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- CN113816784A CN113816784A CN202111207558.3A CN202111207558A CN113816784A CN 113816784 A CN113816784 A CN 113816784A CN 202111207558 A CN202111207558 A CN 202111207558A CN 113816784 A CN113816784 A CN 113816784A
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- eucommia ulmoides
- pig manure
- organic fertilizer
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- 241000208689 Eucommia ulmoides Species 0.000 title claims abstract description 42
- 239000010871 livestock manure Substances 0.000 title claims abstract description 40
- 210000003608 fece Anatomy 0.000 title claims abstract description 38
- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 34
- 239000002023 wood Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 230000000813 microbial effect Effects 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 11
- 241001330002 Bambuseae Species 0.000 claims abstract description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 11
- 239000011425 bamboo Substances 0.000 claims abstract description 11
- 239000004202 carbamide Substances 0.000 claims abstract description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000052 vinegar Substances 0.000 claims abstract description 11
- 235000021419 vinegar Nutrition 0.000 claims abstract description 11
- 239000010457 zeolite Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 33
- 238000000855 fermentation Methods 0.000 claims description 29
- 230000004151 fermentation Effects 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 15
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 11
- 241000221198 Basidiomycota Species 0.000 claims description 11
- 241000223259 Trichoderma Species 0.000 claims description 11
- 238000000354 decomposition reaction Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000009264 composting Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims 2
- 239000003337 fertilizer Substances 0.000 abstract description 10
- 239000002689 soil Substances 0.000 abstract description 7
- 241000196324 Embryophyta Species 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035558 fertility Effects 0.000 abstract description 2
- 241000238631 Hexapoda Species 0.000 abstract 1
- 201000010099 disease Diseases 0.000 abstract 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 24
- 241000208688 Eucommia Species 0.000 description 9
- 240000008042 Zea mays Species 0.000 description 7
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 7
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 7
- 235000005822 corn Nutrition 0.000 description 7
- 244000144972 livestock Species 0.000 description 7
- 235000013312 flour Nutrition 0.000 description 6
- 244000144977 poultry Species 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 241000208686 Eucommiaceae Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002881 soil fertilizer Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
-
- 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 relates to the technical field of organic fertilizer preparation, in particular to an organic fertilizer containing pig manure and eucommia ulmoides and a preparation method thereof. The fertilizer is prepared from 60-75 parts of eucommia ulmoides, 30-40 parts of pig manure, 10-18 parts of urea, 4-6 parts of bamboo vinegar, 4-6 parts of zeolite and 8-10 parts of a microbial agent by a certain preparation method. According to the invention, through a reasonable formula and by utilizing a reasonable combination mode, eucommia ulmoides wood and pig manure are fully fermented and degraded, the requirements of various elements required by crop growth are met, meanwhile, the efficient utilization of eucommia ulmoides resources is fully realized, the soil fertility and the disease and insect resistance of plants are improved, the fertilizer preparation method is simple, the operation is easy, the product quality is good, the production cost is low, and the economic benefits of crops can be obviously increased.
Description
The technical field is as follows:
the invention relates to the technical field of organic fertilizers, in particular to an organic fertilizer containing pig manure and eucommia ulmoides and a preparation method thereof.
Background art:
with the continuous improvement of living standard of people, the demand on meat products, eggs and milk is increasing day by day, the livestock breeding industry in China is rapidly developed, but the adverse effect of the livestock breeding industry on the ecological environment is not obvious.
The total amount of livestock and poultry manure produced in China per year reaches 40 hundred million tons, which is 1.29 times of the production amount (30.9 hundred million tons) of industrial solid waste in 2016, and the effective treatment rate is less than 50 percent. Livestock and poultry manure contains rich nutrients such as organic substances, nitrogen, phosphorus and potassium required by crops, however, the decomposed livestock and poultry manure is not directly applied to soil, and is fermented in water to generate high temperature, so that seedlings are easy to burn; as microorganisms participate in fermentation and move in a large amount, oxygen is consumed, and the soil is anoxic, so that crops with weak growth die, and therefore, in the process of applying the livestock manure as the organic fertilizer, the livestock manure needs to be decomposed. As one of livestock and poultry manure, the pig manure is produced in China every year as the largest live pig breeding country in the world, and unreasonable disposal and utilization of the pig manure can cause a series of environmental problems. Such as water eutrophication, atmospheric pollution, soil heavy metal pollution and the like.
Eucommia ulmoides, also known as Bakelite, is a plant of genus eucommia of family Eucommiaceae, grows in a warm and humid environment and is released in the clear all year round, has a certain drought resistance, is a special species in China, and stores eucommia ulmoides at about 3.9 ten thousand HM in 201721.29 hundred million, cortex eucommiae has the functions of delaying senility and nourishing liver and kidney, and folium eucommiae can be used as tooth filler and feed additive. With the update of varieties, the cultivation of eucommia ulmoides is changed from arbor cultivation to leaf forest cultivation, the eucommia ulmoides after being harvested and peeled and defoliated is dried but cannot be arranged, most of the eucommia ulmoides are incinerated, and the environment is polluted.
At present, researches on organic fertilizers prepared by taking eucommia ulmoides as raw materials are few. Therefore, the organic fertilizer which reduces the pollution of livestock and poultry manure, realizes the efficient utilization of eucommia ulmoides resources and improves the soil fertilizer efficiency is developed by utilizing the existing resources, and has wide market prospect and application value.
The invention content is as follows:
in view of the above, the invention provides an organic fertilizer containing pig manure and eucommia ulmoides and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: an organic fertilizer containing pig manure and eucommia ulmoides wood is characterized in that: the organic fertilizer comprises the following raw materials in parts by weight: 60-75 parts of eucommia ulmoides, 30-40 parts of pig manure, 10-18 parts of urea, 4-6 parts of bamboo vinegar, 4-6 parts of zeolite and 8-10 parts of microbial agent.
Further, the microbial agent is prepared by mixing trichoderma, bacillus and basidiomycetes, wherein the volume ratio of the trichoderma, the bacillus and the basidiomycetes is 1: (2-3): (2-3).
A preparation method of an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following steps:
1) preparing materials according to the weight ratio, crushing eucommia ulmoides, uniformly mixing the crushed eucommia ulmoides with pig manure and urea, and adjusting the water content to 55-65% to obtain a premixed material;
2) uniformly mixing bamboo vinegar, zeolite and a microbial agent, adding into the premixed material obtained in the step 1), uniformly stirring, stacking for fermentation, placing for complete decomposition, inputting into a granulator, granulating, drying and packaging.
Further, the step 2) of placing the materials into a fermentation tank for complete decomposition is to convey the materials into the fermentation tank for fermentation for 5-7 days, when the fermentation temperature is raised to 60-70 ℃, the materials are transferred to natural pile fermentation for fermentation, the fermentation is continued under natural conditions, then the piles are turned once every 3-4 days, the piles are continuously turned for 5-8 times, and the decomposed materials are obtained after the composting temperature is stable.
Further, the eucommia wood needs to be pulverized to <1 cm.
Compared with the prior art, the invention has the following advantages and effects:
1) the method is relatively scientific in raw material selection, does not introduce any metal element, fully degrades eucommia wood and pig manure, realizes efficient utilization of eucommia resources, improves soil fertility while utilizing wastes, and meets the requirements of various elements required by crop growth;
2) the fertilizer of the invention has simple preparation method, easy operation, good product quality and low production cost, and can obviously increase the economic benefit of crops.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The eucommia wood adopted in the raw materials of the invention is a product obtained by peeling and defoliating eucommia bark in a leaf forest mode, and crushing the eucommia bark stems.
Example 1:
an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following raw materials in parts by weight: 60 parts of eucommia ulmoides, 30 parts of pig manure, 10 parts of urea, 4 parts of bamboo vinegar, 4 parts of zeolite and 8 parts of microbial agent.
The microbial agent is prepared by mixing trichoderma, bacillus and basidiomycetes, wherein the volume ratio of the trichoderma, the bacillus and the basidiomycetes is 1: 2: 2.
a preparation method of an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following steps:
1) preparing materials according to the weight ratio, crushing eucommia ulmoides wood flour to be less than 1cm, uniformly mixing the eucommia ulmoides wood flour with pig manure and urea, and adjusting the water content to be 60% to obtain a premixed material;
2) uniformly mixing bamboo vinegar, zeolite and a microbial agent, adding into the premixed material obtained in the step 1), uniformly stirring, stacking for fermentation, placing for complete decomposition, inputting into a granulator, granulating, drying and packaging.
Placing for complete decomposition, namely conveying the materials into a fermentation tank, fermenting for 5 days, when the fermentation temperature is raised to 60-70 ℃, transferring the materials into natural pile fermentation, continuing to ferment under natural conditions, turning the piles once every 3 days, continuously turning the piles for 5 times, and obtaining decomposed materials after the composting temperature is stable.
Example 2:
an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following raw materials in parts by weight: 75 parts of eucommia wood, 40 parts of pig manure, 18 parts of urea, 6 parts of bamboo vinegar, 6 parts of zeolite and 10 parts of microbial agent.
The microbial agent is prepared by mixing trichoderma, bacillus and basidiomycetes, wherein the volume ratio of the trichoderma, the bacillus and the basidiomycetes is 1: 3: 3.
a preparation method of an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following steps:
1) preparing materials according to the weight ratio, crushing eucommia ulmoides wood flour to be less than 1cm, uniformly mixing the eucommia ulmoides wood flour with pig manure and urea, and adjusting the water content to 63% to obtain a premixed material;
2) uniformly mixing bamboo vinegar, zeolite and a microbial agent, adding into the premixed material obtained in the step 1), uniformly stirring, stacking for fermentation, placing for complete decomposition, inputting into a granulator, granulating, drying and packaging.
Placing the materials into a fermentation tank for fermentation for 7 days, when the fermentation temperature is raised to 60-70 ℃, transferring the materials into natural pile fermentation for fermentation, continuing fermentation under natural conditions, turning the piles once every 4 days, continuously turning the piles for 8 times, and obtaining the decomposed materials after the composting temperature is stable.
Example 3:
an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following raw materials in parts by weight: 70 parts of eucommia wood, 35 parts of pig manure, 14 parts of urea, 5 parts of bamboo vinegar, 5 parts of zeolite and 9 parts of microbial agent.
The microbial agent is prepared by mixing trichoderma, bacillus and basidiomycetes, wherein the volume ratio of the trichoderma, the bacillus and the basidiomycetes is 1: 2: 3.
a preparation method of an organic fertilizer containing pig manure and eucommia ulmoides wood comprises the following steps:
1) preparing materials according to the weight ratio, crushing eucommia ulmoides wood flour to be less than 1cm, uniformly mixing the eucommia ulmoides wood flour with pig manure and urea, and adjusting the water content to be 60% to obtain a premixed material;
2) uniformly mixing bamboo vinegar, zeolite and a microbial agent, adding into the premixed material obtained in the step 1), uniformly stirring, stacking for fermentation, placing for complete decomposition, inputting into a granulator, granulating, drying and packaging.
Placing for complete decomposition, namely conveying the materials into a fermentation tank, fermenting for 6 days, when the fermentation temperature is raised to 60-70 ℃, transferring the materials into natural pile fermentation, continuing to ferment under natural conditions, turning the piles once every 3 days, continuously turning the piles for 7 times, and obtaining decomposed materials after the composting temperature is stable.
Example 4:
on the basis of example 1, the volume ratio of trichoderma, bacillus and basidiomycetes to the microbial agent in the treatment process is 1: 3: 3, the rest is the same as example 1
Example 5:
the water content of the material in the step 1) was adjusted to about 55% based on the example 2, and the rest was the same as the example 2.
Example 6:
on the basis of the example 3, when the temperature of the center of the compost in the step 2) is increased to about 75 ℃, the material is converted into natural pile fermentation, and the rest is the same as the example 3.
The results of the tests on the organic matters, nitrogen, phosphorus and potassium components in the organic fertilizers prepared in examples 1 to 6 are shown in the following table
TABLE 1
The data in the table 1 show that the prepared organic fertilizer has better quality, can meet the requirements of the organic fertilizer NY525-2014 standard, has neutral pH value and is suitable for acid-base fields.
Corn growth impact test
The fertilizer efficiency comparison test is carried out on the organic fertilizer prepared in the examples 1 to 6 in a certain corn field in Yangyang Poplar areas, and the test product is Huanong 138. The experiment set up 7 treatments: treatment 1 was the organic fertilizer prepared in example 1; treatment 2 was the organic fertilizer prepared in example 2; treatment 3 was the organic fertilizer prepared in example 3; treatment 4 was the organic fertilizer prepared in example 4; treatment 5 was the organic fertilizer prepared in example 5; treatment 6 was the organic fertilizer prepared in example 6; treatment 7 was the organic fertilizer prepared in example 3 of patent No. 201510330463.9, treatment 8 was the organic fertilizer without any fertilizer added, the area of each treatment was 0.8-1.2 acres, the application method was that the land was leveled and evenly applied to the soil, and the application amount per treatment group was 200 kg per acre.
The fertilization treatments are all used as base fertilizers, corn sowing is started after the fertilizer is applied to soil for 3 days, the germination rate of the corn is counted when the seedling height reaches about 6cm, and the plant height, the plant diameter and the average acre yield of the corn are measured when the corn is harvested. The results are shown in Table 2
TABLE 2
| Rate of emergence (%) | Plant height (cm) | Stem enclosure (cm) | Average acre yield (kg) | |
| Process 1 | 96.4 | 261 | 2.13 | 887 |
| Treatment 2 | 97.9 | 260 | 2.21 | 863 |
| Treatment 3 | 97.2 | 259 | 2.18 | 891 |
| Treatment 4 | 97.8 | 261 | 2.23 | 883 |
| Treatment 5 | 98.3 | 260 | 2.14 | 862 |
| Treatment 6 | 98.2 | 263 | 2.19 | 875 |
| Treatment 7 | ||||
| Treatment 8 | 94.3 | 261 | 2.15 | 783 |
The data in table 2 show that treatments 1-6 significantly improved corn emergence rates, increased acre yield, and no significant difference between treatments 1-6 compared to treatment 7.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. An organic fertilizer containing pig manure and eucommia ulmoides wood is characterized in that: the organic fertilizer comprises the following raw materials in parts by weight: 60-75 parts of eucommia ulmoides, 30-40 parts of pig manure, 10-18 parts of urea, 4-6 parts of bamboo vinegar, 4-6 parts of zeolite and 8-10 parts of microbial agent.
2. The organic fertilizer containing pig manure and eucommia ulmoides wood as claimed in claim 1, which is characterized in that: the microbial agent is prepared by mixing trichoderma, bacillus and basidiomycetes, wherein the volume ratio of the trichoderma, the bacillus and the basidiomycetes is 1: (2-3): (2-3).
3. The method for preparing the organic fertilizer containing the pig manure and the eucommia ulmoides as claimed in claim 1, wherein the method comprises the following steps: the method comprises the following steps:
1) preparing materials according to the weight ratio, crushing eucommia ulmoides, uniformly mixing the crushed eucommia ulmoides with pig manure and urea, and adjusting the water content to 55-65% to obtain a premixed material;
2) uniformly mixing bamboo vinegar, zeolite and a microbial agent, adding into the premixed material obtained in the step 1), uniformly stirring, stacking for fermentation, placing for complete decomposition, inputting into a granulator, granulating, drying and packaging.
4. The preparation method of the organic fertilizer containing the pig manure and the eucommia ulmoides wood as claimed in claim 3, wherein the preparation method comprises the following steps: the step 2) of placing for complete decomposition is to convey the materials into a fermentation tank, ferment for 5-7 days, when the fermentation temperature rises to 60-70 ℃, transfer the materials into natural pile fermentation, continue fermenting under natural conditions, turn over the piles once every 3-4 days, continuously turn over the piles for 5-8 times, and obtain the decomposed materials after the composting temperature is stable.
5. The preparation method of the organic fertilizer containing the pig manure and the eucommia ulmoides wood as claimed in claim 4, wherein the preparation method comprises the following steps: the eucommia ulmoides wood needs to be crushed to less than 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111207558.3A CN113816784A (en) | 2021-10-18 | 2021-10-18 | Organic fertilizer containing pig manure and eucommia ulmoides wood and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111207558.3A CN113816784A (en) | 2021-10-18 | 2021-10-18 | Organic fertilizer containing pig manure and eucommia ulmoides wood and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446813A (en) * | 2014-12-11 | 2015-03-25 | 砀山县春源肥业有限公司 | Bioorganic fertilizer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446813A (en) * | 2014-12-11 | 2015-03-25 | 砀山县春源肥业有限公司 | Bioorganic fertilizer and preparation method thereof |
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