CN101628831B - Liquid-state soluble humic acid organic fertilizer and method for manufacturing same - Google Patents
Liquid-state soluble humic acid organic fertilizer and method for manufacturing same Download PDFInfo
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- CN101628831B CN101628831B CN2008100405411A CN200810040541A CN101628831B CN 101628831 B CN101628831 B CN 101628831B CN 2008100405411 A CN2008100405411 A CN 2008100405411A CN 200810040541 A CN200810040541 A CN 200810040541A CN 101628831 B CN101628831 B CN 101628831B
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- 239000004021 humic acid Substances 0.000 title claims abstract description 52
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003895 organic fertilizer Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 18
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000003337 fertilizer Substances 0.000 claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 241000894006 Bacteria Species 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011591 potassium Substances 0.000 claims abstract description 12
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 12
- 230000000243 photosynthetic effect Effects 0.000 claims abstract description 10
- 102000004190 Enzymes Human genes 0.000 claims abstract description 8
- 108090000790 Enzymes Proteins 0.000 claims abstract description 8
- 241000190967 Rhodospirillum Species 0.000 claims description 10
- 241000186361 Actinobacteria <class> Species 0.000 claims description 9
- 241000190932 Rhodopseudomonas Species 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 241000187708 Micromonospora Species 0.000 claims description 5
- 241000459479 Capsula Species 0.000 claims description 3
- 241000191043 Rhodobacter sphaeroides Species 0.000 claims description 3
- 241000190950 Rhodopseudomonas palustris Species 0.000 claims description 3
- 241001655322 Streptomycetales Species 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005864 Sulphur Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 15
- 238000013268 sustained release Methods 0.000 abstract description 14
- 239000012730 sustained-release form Substances 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 abstract description 6
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000003405 delayed action preparation Substances 0.000 abstract 1
- 230000004720 fertilization Effects 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 241000287828 Gallus gallus Species 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 5
- 230000004151 fermentation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000003608 fece Anatomy 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000010871 livestock manure Substances 0.000 description 4
- 230000000050 nutritive effect Effects 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 241000186984 Kitasatospora aureofaciens Species 0.000 description 2
- 241000191023 Rhodobacter capsulatus Species 0.000 description 2
- 241000187747 Streptomyces Species 0.000 description 2
- 241000187419 Streptomyces rimosus Species 0.000 description 2
- MYSWGUAQZAJSOK-UHFFFAOYSA-N ciprofloxacin Chemical compound C12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 MYSWGUAQZAJSOK-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000012272 crop production Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 235000010855 food raising agent Nutrition 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 239000002773 nucleotide Substances 0.000 description 1
- 125000003729 nucleotide group Chemical group 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fertilizers (AREA)
Abstract
The invention discloses a liquid-state soluble humic acid organic fertilizer, which contains humic acid, earthworm extract, enzyme preparation, nitrogen element, phosphorus element, potassium element and water, and is also added with humic acid sustained release preparation, photosynthetic bacteria and antinomycetes. The invention also provides a method for manufacturing the liquid-state soluble humic acid organic fertilizer. In the manufacturing method, soluble humic acid basic liquid fertilizer is adopted, added with extracted enzyme preparation of earthworm and earthworm organic liquid, and can also be added with a certain amount of biological bacteria, so the solubility of nutrient components is improved and the content of the nutrient components is increased; and more importantly, the humic acid preparation is added, and a film is formed on the surface of the nutrient group after the mixing of the humic acid preparation and the nutrient group so as to realize the sustained-release function of the nutrient components. The thickness of the film layer is controlled so as to control the strength and time length of the sustained-release function; therefore, the defect that a plant cannot absorb ordinary fertilizers after the fertilizers are quickly dissolved so that the quickly-dissolved fertilizers are lost with water loss is radically overcome, and controllable fertilization for measuring soil compositions and matching the growth requirements of the plant is realized.
Description
Technical field:
The present invention relates to agriculture field, relate in particular to a kind of fertilizer, is a kind of liquid-state soluble humic acid organic fertilizer specifically.
Background technology:
Agricultural is used the history in existing more than 200 year of liquid fertilizer, but adopts modern biotechnology scale operation and using soluble liquid state organic fertilizer, only before and after the fifties in last century just.China's starting more a little later.Along with novel modern agricultural development, the production cost of fertilizer is low, nuisanceless, the fertilising convenient, and particularly liquid fertilizer can utilize the irrigation system of existing agricultural modernization to spray or drip irrigation system drips and executes, and is effective, reduces the fertilising cost greatly.Therefore domestic in recent years various liquid organic fertilizers are constantly produced, and use for agricultural planting.But exist water-soluble fertilizer to be easy to generate throw out in varying degrees, active constituent content is low, calculate freight charges than with volume solid organic fertilizer height by effective constituent, often contain various nutrient elements in the liquid fertilizer, mismate or period of storage one long meeting form the crystal sedimentation or fold.
Summary of the invention:
The object of the present invention is to provide a kind of liquid-state soluble humic acid organic fertilizer and manufacture method thereof, described this liquid-state soluble humic acid organic fertilizer will solve that fertilizer effective ingredient of the prior art is low, the throw out technical problems of high in the fertilizer.
The present invention provides a kind of liquid-state soluble humic acid organic fertilizer for solving the problems of the technologies described above, include humic acids, earthworm extract, zymin, the nitrogen element, phosphoric, potassium element and water, wherein, the weight percent of described humic acids in fertilizer is 4%～6%, the weight percent of described earthworm extract in fertilizer is 1%～2%, the weight percent of described zymin in fertilizer is 0.1%～0.5%, the weight percent of described nitrogen element in fertilizer is 2%～10%, the weight percent of described phosphoric in fertilizer is 2%～10%, the weight percent of described potassium element in fertilizer is 2%～10%, and surplus is described water.
Further, described zymin adopts the earthworm enzyme.
Further, also be added with the humic-acid kind sustained release dosage in the described fertilizer, the weight percent of described humic-acid kind sustained release dosage in fertilizer is 4%～10%.
Further, described humic-acid kind sustained release dosage is an xanthohumic acid.
Further, also be added with photosynthetic bacterium in the described fertilizer, addition is 〉=10
11Cfu/L.
Further, described photosynthetic bacterium be selected from capsula Rhodopseudomonas (Rhodopseudomonascapsulatus) or Rhodopseudomonas spheroides (Rps.globiformis) or Rhodopseudomonas palustris (Rps.palustris) or have a liking for sulphur rhodopseudomonas (Rps.sulfi-dophila) or Crimson rhodospirillum (Rhodospirillum.rubrum) or yellowish-brown rhodospirillum (Rhodospirillum.fulvum) in a kind of or more than one combination.
Further, also be added with actinomycetes in the described fertilizer, addition is 〉=10
11Cfu/L.
Further, described actinomycetes are selected from a kind of in streptomycete (Streptomyces) or golden mould (Streptomyces aureofaciens) or native mould (Streptomyces rimosus) or the micromonospora (Micromonospora) or more than one combination.
The present invention also provides a kind of manufacture method of liquid-state soluble humic acid organic fertilizer, comprise a step of making basic liquid fertilizer, in the step of described manufacturing organic fertilizer, at first sugared slag and chicken manure are carried out pre-treatment, pretreated product is carried out fermentative processing, in the process of fermentative processing, add humic acids starter and water, the temperature of fermentation is controlled at 50～70 ℃, PH is controlled at 7.5～8.0, after finishing, fermentation enters the process that discharges water and leach, under 50～70 ℃ condition, sterilize then, then by adding water, the nitrogen element, phosphoric and potassium element, organic and humic acid solution is adjusted composition, become basic liquid fertilizer, in basic liquid fertilizer, add earthworm enzyme and earthworm extract, add photosynthetic bacterium and actinomycetes simultaneously, carry out the composition adjustment then, make that the weight percent of described humic acids in fertilizer is 4%～6%, the weight percent of described earthworm extract in fertilizer is 1%～2%, the weight percent of described zymin in fertilizer is 0.1%～0.5%, the weight percent of described nitrogen element in fertilizer is 2%～10%, the weight percent of described phosphoric in fertilizer is 2%～10%, the weight percent of described potassium element in fertilizer is 2%～10%, add the humic-acid kind sustained release dosage at last, the weight percent of described humic-acid kind sustained release dosage in fertilizer is 4%～10%, is liquid-state soluble humic acid organic fertilizer of the present invention.
Further, in pretreated process, remove masonry fragment or chicken feather or plastics class foreign material.
Further, in the process of fermentative processing, the add-on of described xanthohumic acid bacterium leavening agent accounts for the weight percent content of prefinished products between 1～5%.
Further, in the process of fermentative processing, the add-on of described water accounts for the weight percent content of prefinished products between 30%～40%.
Further, in the process that leaches, leach organic matter, humic acids, nitrogen element, phosphoric and potassium element.
The present invention adopts solubility humic acids basis liquid fertilizer, add earthworm and extract zymin and earthworm organic liquor, can also add the biological bacteria of a fixed number, not only improved the solvability of nutritive ingredient, improve the content of nutritive ingredient, prior humic acids preparaton inserts, through mixing, surface at the nutrition group forms a skim, plays the slow releasing function of nutritive ingredient.Thickness, the size of may command slow releasing function and the time length of control rete.Thereby more overcome on this common chemical fertilizer instant after, plant absorbing not the shortcoming that just runs off with moisture content, realize measured soil composition and the controlled fertilising that cooperates plant-growth to need, accomplish scientific and reasonable, Shi Fei enforcement as required, save fertilizer, improve effect, can obtain satisfied economic benefit.
After the present invention handles through sustained release dosage, the controllable sustained-release performance is arranged, be adjustable as the fertilizer of different time of releasing such as quick-acting (2～4 weeks), middle effect (2～10 week), long-acting (2～30 week) according to the needs of crop.The present invention adopts humic acid starter aerobic fermentation to handle, and shortening fermentation time is 8～10 days, and the general ferment-fermented time is 40～60 days.Enhance productivity, increase the content of liquid fertilizer humic acids simultaneously, improve fertilizer efficiency.
After the present invention adds the zymin and stoste of biological flora, earthworm extraction, contain rich in amino acid, nucleic acid material, materials such as Nucleotide not only replenish the nutrition of crop production but also stimulate crop production, enhance metabolism, alleviate or prevent that disease and pest from taking place.After containing a certain amount of biological flora, not only increase fertilizer efficiency but also excavate the fertilizer efficiency of original soil with organic matter, build up fertility.
The present invention is the liquid-state soluble organic fertilizer, and the root that not only can make base manure, topdresses uses fertilizer, also can use as the sprinkling fertilizer on blade face.The present invention simultaneously uses and helps improving environment, the sugared slag that the present invention can produce with the chicken manure and the sugar refinery in poulty house is the base fluid of main material production fertilizer, not only make nuisancelessization of waste, turning waste into wealth again becomes the good fertilizer of agricultural, and environment is improved.
Embodiment:
A kind of liquid-state soluble humic acid organic fertilizer of the present invention, include humic acids, earthworm extract, zymin, the nitrogen element, phosphoric, potassium element and water, wherein, the weight percent of described humic acids in fertilizer is 4%～6%, the weight percent of described earthworm extract in fertilizer is 1%～2%, the weight percent of described zymin in fertilizer is 0.1%～0.5%, the weight percent of described nitrogen element in fertilizer is 2%～10%, the weight percent of described phosphoric in fertilizer is 2%～10%, the weight percent of described potassium element in fertilizer is 2%～10%, and surplus is described water.
Further, described zymin adopts the earthworm enzyme.
Further, also be added with the humic-acid kind sustained release dosage in the described fertilizer, the weight percent of described humic-acid kind sustained release dosage in fertilizer is 4%～10%.
Further, described humic-acid kind sustained release dosage is an xanthohumic acid.
Further, also be added with photosynthetic bacterium in the described fertilizer, addition is 〉=10
11Cfu/L.
Further, described photosynthetic bacterium be selected from capsula Rhodopseudomonas (Rhodopseudomonascapsulatus) or Rhodopseudomonas spheroides (Rps.globiformis) or Rhodopseudomonas palustris (Rps.palustris) or have a liking for sulphur rhodopseudomonas (Rps.sulfi-dophila) or Crimson rhodospirillum (Rhodospirillum.rubrum) or yellowish-brown rhodospirillum (Rhodospirillum.fulvum) in a kind of or more than one combination.
Further, also be added with actinomycetes in the described fertilizer, addition is 〉=10
11Cfu/L.
Further, described actinomycetes are selected from a kind of in streptomycete (Streptomyces) or golden mould (Streptomyces aureofaciens) or native mould (Streptomyces rimosus) or the micromonospora (Micromonospora) or more than one combination.
The present invention also provides a kind of manufacture method of liquid-state soluble humic acid organic fertilizer, comprise a step of making basic liquid fertilizer, in the step of described manufacturing organic fertilizer, at first sugared slag and chicken manure are carried out pre-treatment, pretreated product is carried out fermentative processing, in the process of fermentative processing, add humic acids starter and water, the temperature of fermentation is controlled at 50～70 ℃, PH is controlled at 7.5～8.0, after finishing, fermentation enters the process that discharges water and leach, under 50～70 ℃ condition, sterilize then, then by adding water, the nitrogen element, phosphoric and potassium element, organic and humic acid solution is adjusted composition, become basic liquid fertilizer, in basic liquid fertilizer, add earthworm enzyme and earthworm extract, add photosynthetic bacterium and actinomycetes simultaneously, carry out the composition adjustment then, make that the weight percent of described humic acids in fertilizer is 4%～6%, the weight percent of described earthworm extract in fertilizer is 1%～2%, the weight percent of described zymin in fertilizer is 0.1%～0.5%, the weight percent of described nitrogen element in fertilizer is 2%～10%, the weight percent of described phosphoric in fertilizer is 2%～10%, the weight percent of described potassium element in fertilizer is 2%～10%, add the humic-acid kind sustained release dosage at last, the weight percent of described humic-acid kind sustained release dosage in fertilizer is 4%～10%, is liquid-state soluble humic acid organic fertilizer of the present invention.
Further, in pretreated process, remove masonry fragment or chicken feather or plastics class foreign material.
Further, in the process of fermentative processing, the add-on of described xanthohumic acid bacterium leavening agent accounts for the weight percent content of prefinished products between 1～5%.
Further, in the process of fermentative processing, the add-on of described water accounts for the weight percent content of prefinished products between 30%～40%.
Further, in the process that leaches, leach organic matter, humic acids, N, P
2O
5, macroelement such as KCl etc.
Claims (6)
1. liquid-state soluble humic acid organic fertilizer, it is characterized in that: include humic acids, earthworm extract, the earthworm enzyme, the nitrogen element, phosphoric, potassium element and water, the weight percent of described humic acids in fertilizer is 4%～6%, the weight percent of described earthworm extract in fertilizer is 1%～2%, the weight percent of described earthworm enzyme in fertilizer is 0.1%～0.5%, the weight percent of described nitrogen element in fertilizer is 2%～10%, the weight percent of described phosphoric in fertilizer is 2%～10%, the weight percent of described potassium element in fertilizer is 2%～10%, and surplus is described water.
2. liquid-state soluble humic acid organic fertilizer as claimed in claim 1 is characterized in that: also be added with xanthohumic acid in the described fertilizer, the weight percent of described xanthohumic acid in fertilizer is 4%～10%.
3. liquid-state soluble humic acid organic fertilizer as claimed in claim 1 is characterized in that: also be added with photosynthetic bacterium in the described fertilizer, described photosynthetic bacterium addition is 1 * 10
11～1 * 10
13Between the cfu/L.
4. liquid-state soluble humic acid organic fertilizer as claimed in claim 3 is characterized in that: described photosynthetic bacterium be selected from capsula Rhodopseudomonas or Rhodopseudomonas spheroides or Rhodopseudomonas palustris or have a liking for the sulphur rhodopseudomonas or Crimson rhodospirillum or yellowish-brown rhodospirillum in a kind of or more than one combination.
5. liquid-state soluble humic acid organic fertilizer as claimed in claim 1 is characterized in that: also be added with actinomycetes in the described fertilizer, described actinomycetes addition is 1 * 10
11～1 * 10
13Between the cfu/L.
6. liquid-state soluble humic acid organic fertilizer as claimed in claim 5 is characterized in that: described actinomycetes are selected from a kind of in streptomycete or golden mould or native mould or the micromonospora or more than one combination.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100405411A CN101628831B (en) | 2008-07-14 | 2008-07-14 | Liquid-state soluble humic acid organic fertilizer and method for manufacturing same |
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|---|---|---|---|
| CN2008100405411A CN101628831B (en) | 2008-07-14 | 2008-07-14 | Liquid-state soluble humic acid organic fertilizer and method for manufacturing same |
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| CN101628831A CN101628831A (en) | 2010-01-20 |
| CN101628831B true CN101628831B (en) | 2011-09-21 |
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| CN102381910B (en) * | 2011-07-26 | 2014-04-09 | 双赢集团有限公司 | Microorganism probiotic implanted nutrient liquid and preparation method of microorganism probiotic implanted nutrient liquid as well as microorganism fertilizer and application of microorganism fertilizer in agriculture and forestry production |
| CN103848687B (en) * | 2014-03-18 | 2016-03-30 | 天津农学院 | Plant growth nutrient solution prepared from solid organic waste and preparation method thereof |
| CN103848654B (en) * | 2014-03-26 | 2015-07-08 | 安徽利海新城镇开发有限公司 | Preparation method of earthworm liquid organic fertilizer |
| CN104628443A (en) * | 2015-01-27 | 2015-05-20 | 上海温兴生物工程有限公司 | Earthworm amino acid liquid organic fertilizer and production method thereof |
| CN106316496A (en) * | 2015-06-23 | 2017-01-11 | 镇江贝思特有机活性肥料有限公司 | Earthworm solution compounded active water-soluble fertilizer and preparation method thereof |
| CN105130697A (en) * | 2015-07-22 | 2015-12-09 | 王磊 | Novel earthworm enzyme soil repairing fertilizer |
| CN105110969B (en) * | 2015-09-10 | 2018-09-18 | 刘建忠 | Fertilizer water conservation Synergistic slow release agent based on biological humic |
| CN105198639A (en) * | 2015-10-23 | 2015-12-30 | 湖南润丰达生态环境科技有限公司 | Special micro-balance ecological fertilizer for organic tea garden and preparation method thereof |
| CN105613019A (en) * | 2016-02-24 | 2016-06-01 | 吕强 | Sweetening technology for cultivating strawberries |
| CN107151058A (en) * | 2016-11-18 | 2017-09-12 | 上海果联国际贸易有限责任公司 | Microorganism adheres to porous body |
| CN109809914A (en) * | 2017-09-17 | 2019-05-28 | 廖华勇 | A kind of organic fertilizer rich in earthworm manure |
| CN107827514A (en) * | 2017-10-31 | 2018-03-23 | 博白县富山水果种植专业合作社 | A kind of implantation methods of dragon fruit |
| CN107628884A (en) * | 2017-11-03 | 2018-01-26 | 上海紫顺生物科技有限公司 | A kind of cucumber special microorganism compound organic fertilizer and preparation method thereof |
| CN110963828B (en) * | 2019-11-25 | 2022-07-01 | 广东省农业科学院蚕业与农产品加工研究所 | Fertilizer and water agent for aquatic seedling culture and preparation method thereof |
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| CN1398830A (en) * | 2002-04-17 | 2003-02-26 | 宁夏金丰源实业有限责任公司 | Composite amino acid liquid fertilizer and its production process |
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Patent Citations (3)
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|---|---|---|---|---|
| JP3228888B2 (en) * | 1997-03-25 | 2001-11-12 | 神鋼パンテツク株式会社 | Hydrogen / oxygen generator |
| CN1398830A (en) * | 2002-04-17 | 2003-02-26 | 宁夏金丰源实业有限责任公司 | Composite amino acid liquid fertilizer and its production process |
| CN101081761A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Eucalyptus fertilizer production method |
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