CN1749218A - Regenreatable plant waste and mud mixing type medium and its producing method - Google Patents
Regenreatable plant waste and mud mixing type medium and its producing method Download PDFInfo
- Publication number
- CN1749218A CN1749218A CNA2005100384040A CN200510038404A CN1749218A CN 1749218 A CN1749218 A CN 1749218A CN A2005100384040 A CNA2005100384040 A CN A2005100384040A CN 200510038404 A CN200510038404 A CN 200510038404A CN 1749218 A CN1749218 A CN 1749218A
- Authority
- CN
- China
- Prior art keywords
- recyclability
- plant
- type matrix
- mixed type
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 6
- 239000010908 plant waste Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000010802 sludge Substances 0.000 claims abstract description 10
- 241000894006 Bacteria Species 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 241000196324 Embryophyta Species 0.000 claims description 26
- 239000011159 matrix material Substances 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- 239000011707 mineral Substances 0.000 claims description 6
- 230000000443 biocontrol Effects 0.000 claims description 5
- 210000003608 fece Anatomy 0.000 claims description 5
- 239000010871 livestock manure Substances 0.000 claims description 5
- 244000005700 microbiome Species 0.000 claims description 5
- 238000007514 turning Methods 0.000 claims description 5
- 238000000855 fermentation Methods 0.000 claims description 4
- 230000004151 fermentation Effects 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims description 3
- 241000186361 Actinobacteria <class> Species 0.000 claims description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- 238000011081 inoculation Methods 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000002054 inoculum Substances 0.000 claims 4
- 230000003462 zymogenic effect Effects 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 5
- 239000010815 organic waste Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000003450 growing effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 7
- 230000000384 rearing effect Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 235000016709 nutrition Nutrition 0.000 description 4
- 230000035764 nutrition Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000050 nutritive effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000195940 Bryophyta Species 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003415 peat Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000013348 organic food Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 235000010958 polyglycerol polyricinoleate Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- -1 zymophyte Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Fertilizers (AREA)
Abstract
The present invention discloses crop seedling growing medium produced with plant waste, domestic garbage and sludge from domestic sewage treatment as material and its production process. Crop stalk and other plant waste are crushed and used as the medium skeleton mixed with organic sludge and inorganic fertilizer, fermenting bacteria and other bacteria in certain ratio are inoculated, water is added, and the mixture is piled, aerated and fermented completely to produce the crop seedling growing medium. The present invention provides way of treating organic waste, and the crop seedling growing medium has excellent crop seedling growing effect and low cost.
Description
Technical field:
The present invention relates to crop seedling matrix, particularly a kind of is the crop seedling matrix and the production method thereof of main raw material with recyclability plant refuse and mud.
Background technology:
The modern factories agricultural is progressively replacing the status of traditional agriculture.And be to depend on industrial seedling rearing with mechanize, the basis that is automated as the modern factories agriculture production of principal character.Industrial seedling rearing needs matrix, but matrix has strict demand, usually the soil in the field owing to live through apply fertilizer, the pollution of medication, the instability of physicochemical character is to make the nutrition soil of industrial seedling rearing in addition, the labour intensity of putting off until some time later carrying soil is also bigger.Though can carry out industrial seedling rearing for the soilless culture that with the nutritive medium is support, but the cost of preparation nutritive medium is too high, and technical difficulty is also big, and has germ to spread in the water nutrient solution, easily cause disastrous loss again, also do not meet the condition that Organic food production must be satisfied simultaneously.As seen, the gordian technique of industrial seedling rearing is to make seedling medium.At present, commercially available seedling medium has: (one) with natural mineral such as the peat composed of rotten mosses, vermiculite, perlite, rock wool and preliminary working product as making base starting material, they belong to non-renewable resource, the distribution region is limited, more domestic modernizations are grown seedlings the used high-quality peat composed of rotten mosses of factory based on import, cost an arm and a leg.(2) with agriculture and industry waste, make raw material as Chinese medicine slag, paper industry waste, bacterium chaff etc. as matrix, these starting material sources also are limited, and difficulty of processing is bigger, and technology is still immature again, and quality is also unstable, is difficult to promote the use of.(3) be base starting material with full trophicity chemical fertilizer, this matrix has comprised the required whole nutrition of crop phase, and it is easy to use, but price is higher, and general peasant household can not consume.
To sum up, seek to obtain good physical proterties and chemical property and base starting material with low cost, as to have extensive source and process the common objective that easy production method is this technical field investigators.
Summary of the invention:
The present invention is directed to existing or the like the problem of above-mentioned base starting material, it is raw material with organic wastes such as recyclability plant such as agricultural crop straw, domestic waste, sludge of sewage treatment plant that in addition out-of-the-way new footpath proposes a kind of, make the method for crop seedling matrix, purpose is to provide desirable matrix for the development of modernized matrix industry.
The technology of the present invention solution:
The present invention is that main raw material is made matrix with recyclability plant refuse, mud.This recyclability plant refuse is mainly stalk, also can comprise cavings, wood chip, bark, shell, cotton seed hulls, corn cob etc.Described mud is the organic sludge of domestic refuse, sanitary sewage disposal deposition.Recyclability plants such as stalk are mixed in proportion into organic sludge, mineral manure, zymophyte, and water is in harmonious proportion evenly, and stacking is preserved moisture to ferment and can be made this organic substrate.For obtaining high-quality matrix, the combined amount of above-mentioned substance is such as following: recyclability plants such as stalk: organic sludge: mineral manure is (3.8-4.2): (4.8-5.2): (0.8-1.2), zymophyte is the metering of 1-3kg/ ton, and water consumption is about the 55-65% of above-mentioned substance cumulative volume.Also can add biocontrol microorganisms before the stacking as required, add nutritive substance.When the recyclability plant need be crushed to 1～5cm length during for cane.Need carry out turning, aeration in the stacking fermenting process.Generally build heap and begin to measure the heap temperature after 7-10 days, when the heap temperature rise reaches 60 ℃～65 ℃, need turning, aeration.Aeration needs at interval regularly, and generally every just aeration 10～20 minutes of 1～1.5 little period, 30 days left and right sides fermenting raw materials maturations can obtain N, P, K and total amount thereof etc. and detect qualified desired value, but this matrix is expected just small packages listing substantially.
Beneficial effect of the present invention;
1, compare with other seedling medium, this organic substrate is full nutrition seedling medium, only need after planting water water and can grow seedlings, and reaches desirable strong sprout, has better nursery effect with other matrix phase ratio, and with low cost.
2, abundant with the recyclability plant refuse as the raw material sources of organic substrate, also avoided the environmental pollution that causes because of crop straw burning etc., and handled for the organic wastes such as mud of domestic refuse, sanitary sewage disposal new outlet is provided.
3, this organic substrate has reduced the agriculture chemical consumption, alleviates or has eliminated because of with pollution on the environments such as agriculture chemicals.
Embodiment:
The present invention is in order to reach goal of the invention, and obtain satisfied implementation result, successively repeatedly carry out various experimental studies, as: the screening of body material and experimental pretreatment, the test of inoculation fermentation bacterium, moisture content adjusting and control test, temperature regulation and control test, aeration time are tested at interval, fertilizer slow-release formulation is tested or the like.Now preferred best of breed narration embodiment:
Get stalk 200kg, shred length, add organic mud 250kg to 1.5cm, slowly-releasing inorganic fertilizer 50kg, the weight ratio of above-mentioned raw materials is 4: 5: 1, adds yeast or actinomycetes or milk-acid bacteria or sporeformer.Or above mixed bacterial amount is 1kg, and PGPR class biocontrol microorganisms 1kg, 60% the water yield that adds above cumulative volume (about 5 cubic metres) is is evenly mixed and stirred, stacking, coating film are preserved moisture, noted measuring the stacking temperature in 15～20 days, when average heap temperature rise is carried out turning for nearly 60 ℃, day on daytime, temperature was higher, every aeration 15 minutes half an hour.Generally: from building the interior fermentation finished thoroughly1 of heap about about 30 days, in cold especially winter, with the proper extension fermentation time.Gather sample determination result in the heap, nitrogenous 1.54%, phosphorous (P
2O
5) be 2.1, contain potassium 0.37, NPK total amount 4.02, alkali-hydrolyzable nitrogen 2418.5mg/kg, EC1.62ms/cm, PH6.42, meet the requirement of full nutrition organic active matrix fully.
Claims (8)
1, recyclability plant refuse, mud mixed type matrix, it is characterized in that: it is to be main raw material with renewable plant refuse, mud, described recyclability plant refuse is mainly stalk and plant pericarp, plants skin etc., and described mud is the organic sludge of domestic refuse, sanitary sewage disposal.
2,, it is characterized in that described recyclability plant also comprises cavings, wood chip, bark, corn cob etc. according to the described recyclability plant refuse of claim 1, mud mixed type matrix.
3, the production method of recyclability plant refuse, mud mixed type matrix, it is characterized in that: it mainly is mixed in proportion into organic sludge, mineral manure and with water with reproducibility plants such as stalks and evenly is in harmonious proportion, inoculation fermentation bacterium, biocontrol microorganisms, stacking is preserved moisture to ferment and is formed, wherein: the ratio of recyclability plant refuses such as stalk, organic sludge, mineral manure consumption is about (3.8-4.2): (4.8-5.2): (0.8-1.2), water consumption is the 55-65% of above-mentioned materials volume.
4, the production method of recyclability plant refuse according to claim 3, mud mixed type matrix, it is characterized in that: the zymophyte that is inoculated can be yeast or actinomycetes or milk-acid bacteria or sporeformer, or the mixed bacterial of above bacterium, its inoculum size is the 1-3kg/ ton, and the biocontrol microorganisms inoculum size of being inoculated is the 1-2kg/ ton.
5, the production method of recyclability plant refuse according to claim 3, mud mixed type matrix, it is characterized in that: reproducibility plants such as stalk need be crushed to segment, and about 1～5cm length need be carried out turning, aeration in the stacking fermenting process.
6, the production method of recyclability plant refuse according to claim 3, mud mixed type matrix, it is characterized in that: the ratio of the consumption of recyclability plant refuse, organic sludge, mineral manure can be 4: 5: 1, and water consumption is 60% of an above-mentioned materials volume.
7, according to the production method of claim 3 or 5 described recyclability plant refuses, mud mixed type matrix, it is characterized in that: reproducibility straw etc. is crushed to segment, about 1.5cm length, it is every 1～1.5 hour aeration 10～20 minutes that heap temperature needs turning, aeration, aeration time during near 60 ℃.
8, the production method of recyclability plant refuse according to claim 4, mud mixed type matrix, it is characterized in that: described zymogenic inoculum size is the 1kg/ ton, the inoculum size of biocontrol microorganisms is the 1kg/ ton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100384040A CN1749218A (en) | 2005-03-14 | 2005-03-14 | Regenreatable plant waste and mud mixing type medium and its producing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100384040A CN1749218A (en) | 2005-03-14 | 2005-03-14 | Regenreatable plant waste and mud mixing type medium and its producing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1749218A true CN1749218A (en) | 2006-03-22 |
Family
ID=36604896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100384040A Pending CN1749218A (en) | 2005-03-14 | 2005-03-14 | Regenreatable plant waste and mud mixing type medium and its producing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1749218A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948339A (en) * | 2010-09-01 | 2011-01-19 | 梁祖荣 | Roof greening organic nutritive medium |
| CN102173928A (en) * | 2011-01-11 | 2011-09-07 | 山东省林业科学研究院 | Wood non-woven fabric container nursery biological-type medium |
| CN102173888A (en) * | 2010-12-17 | 2011-09-07 | 青岛博迈斯环保技术有限公司 | Sludge carbon fertilizer and production method thereof |
| CN101624307B (en) * | 2009-08-12 | 2012-05-30 | 邓志刚 | Production process for converting cassava wastes into organic fertilizer |
| CN102584456A (en) * | 2012-02-24 | 2012-07-18 | 北京林业大学 | Greening substrate of quarry waste muck as well as preparation method and application of greening substrate |
| CN103270866A (en) * | 2013-05-15 | 2013-09-04 | 天津师范大学 | Application method by using air dried sludge as cultivation media of turfgrass |
| CN103641648A (en) * | 2013-12-16 | 2014-03-19 | 北京东方园林股份有限公司 | Sludge plant growth substrate and side slope sludge soil replacement greening method |
| CN103804085A (en) * | 2014-01-28 | 2014-05-21 | 南宁普田润生物有机肥有限公司 | Hami melon cultivation medium and preparation method thereof |
| CN103819232A (en) * | 2014-02-28 | 2014-05-28 | 河南科技大学 | Method of preparing flower substrate by utilization of municipal sludge |
| CN103833426A (en) * | 2014-02-28 | 2014-06-04 | 河南科技大学 | Method for preparing matrix of raw winter vegetables with municipal sludge |
| CN104276902A (en) * | 2013-07-03 | 2015-01-14 | 河南佳宜景观工程有限公司 | Lightweight greening matrix and preparation method thereof |
| CN104770280A (en) * | 2015-04-15 | 2015-07-15 | 东北林业大学 | A method for cultivating white birch bag seedlings in light substrate by using corn cobs |
| CN104876413A (en) * | 2015-06-12 | 2015-09-02 | 长沙威保特环保科技股份有限公司 | Sludge pretreatment method and device |
| CN106472280A (en) * | 2016-10-14 | 2017-03-08 | 安徽格义循环经济产业园有限公司 | Nursery matrix and preparation method thereof |
| CN106831189A (en) * | 2017-03-20 | 2017-06-13 | 浙江省农业科学院 | Municipal sludge afforestation special nutritional matrix and its processing method |
-
2005
- 2005-03-14 CN CNA2005100384040A patent/CN1749218A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624307B (en) * | 2009-08-12 | 2012-05-30 | 邓志刚 | Production process for converting cassava wastes into organic fertilizer |
| CN101948339A (en) * | 2010-09-01 | 2011-01-19 | 梁祖荣 | Roof greening organic nutritive medium |
| CN102173888A (en) * | 2010-12-17 | 2011-09-07 | 青岛博迈斯环保技术有限公司 | Sludge carbon fertilizer and production method thereof |
| CN102173888B (en) * | 2010-12-17 | 2013-09-04 | 青岛博迈斯环保技术有限公司 | Sludge carbon fertilizer and production method thereof |
| CN102173928A (en) * | 2011-01-11 | 2011-09-07 | 山东省林业科学研究院 | Wood non-woven fabric container nursery biological-type medium |
| CN102173928B (en) * | 2011-01-11 | 2013-04-17 | 山东省林业科学研究院 | Wood non-woven fabric container nursery biological-type medium |
| CN102584456A (en) * | 2012-02-24 | 2012-07-18 | 北京林业大学 | Greening substrate of quarry waste muck as well as preparation method and application of greening substrate |
| CN102584456B (en) * | 2012-02-24 | 2013-03-06 | 北京林业大学 | Greening substrate of quarry waste muck as well as preparation method and application of greening substrate |
| CN103270866A (en) * | 2013-05-15 | 2013-09-04 | 天津师范大学 | Application method by using air dried sludge as cultivation media of turfgrass |
| CN103270866B (en) * | 2013-05-15 | 2015-06-03 | 天津师范大学 | Application method by using air dried sludge as cultivation media of turfgrass |
| CN104276902A (en) * | 2013-07-03 | 2015-01-14 | 河南佳宜景观工程有限公司 | Lightweight greening matrix and preparation method thereof |
| CN103641648A (en) * | 2013-12-16 | 2014-03-19 | 北京东方园林股份有限公司 | Sludge plant growth substrate and side slope sludge soil replacement greening method |
| CN103804085A (en) * | 2014-01-28 | 2014-05-21 | 南宁普田润生物有机肥有限公司 | Hami melon cultivation medium and preparation method thereof |
| CN103804085B (en) * | 2014-01-28 | 2016-06-01 | 南宁普田润生物有机肥有限公司 | A kind of hami melon cultivation matrix and its preparation method |
| CN103833426A (en) * | 2014-02-28 | 2014-06-04 | 河南科技大学 | Method for preparing matrix of raw winter vegetables with municipal sludge |
| CN103819232A (en) * | 2014-02-28 | 2014-05-28 | 河南科技大学 | Method of preparing flower substrate by utilization of municipal sludge |
| CN103819232B (en) * | 2014-02-28 | 2016-06-01 | 河南科技大学 | A kind of method utilizing municipal sludge to prepare flowers matrix |
| CN104770280A (en) * | 2015-04-15 | 2015-07-15 | 东北林业大学 | A method for cultivating white birch bag seedlings in light substrate by using corn cobs |
| CN104876413A (en) * | 2015-06-12 | 2015-09-02 | 长沙威保特环保科技股份有限公司 | Sludge pretreatment method and device |
| CN106472280A (en) * | 2016-10-14 | 2017-03-08 | 安徽格义循环经济产业园有限公司 | Nursery matrix and preparation method thereof |
| CN106831189A (en) * | 2017-03-20 | 2017-06-13 | 浙江省农业科学院 | Municipal sludge afforestation special nutritional matrix and its processing method |
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