CN114014734A - Activated humic acid biological compound fertilizer and preparation method thereof - Google Patents
Activated humic acid biological compound fertilizer and preparation method thereof Download PDFInfo
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- CN114014734A CN114014734A CN202111511798.2A CN202111511798A CN114014734A CN 114014734 A CN114014734 A CN 114014734A CN 202111511798 A CN202111511798 A CN 202111511798A CN 114014734 A CN114014734 A CN 114014734A
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- humic acid
- powder
- lignite
- edta chelated
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical class C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000003337 fertilizer Substances 0.000 title claims abstract description 52
- 150000001875 compounds Chemical class 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004021 humic acid Substances 0.000 claims abstract description 79
- 239000000843 powder Substances 0.000 claims abstract description 62
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000000813 microbial effect Effects 0.000 claims abstract description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 16
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims abstract description 16
- 239000004202 carbamide Substances 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 239000006012 monoammonium phosphate Substances 0.000 claims abstract description 16
- 235000019837 monoammonium phosphate Nutrition 0.000 claims abstract description 16
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 14
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000004327 boric acid Substances 0.000 claims abstract description 14
- 229940038879 chelated zinc Drugs 0.000 claims abstract description 14
- 239000004927 clay Substances 0.000 claims abstract description 14
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 14
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 14
- 241000588914 Enterobacter Species 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 231100000357 carcinogen Toxicity 0.000 claims abstract description 12
- 208000005623 Carcinogenesis Diseases 0.000 claims abstract description 10
- 230000000711 cancerogenic effect Effects 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 239000011572 manganese Substances 0.000 claims abstract description 8
- 239000003077 lignite Substances 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 41
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 38
- 230000004913 activation Effects 0.000 claims description 25
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 19
- 238000004880 explosion Methods 0.000 claims description 18
- 230000003213 activating effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 239000001963 growth medium Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 238000011282 treatment Methods 0.000 claims description 11
- 230000001580 bacterial effect Effects 0.000 claims description 10
- 238000000855 fermentation Methods 0.000 claims description 10
- 230000004151 fermentation Effects 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 240000008042 Zea mays Species 0.000 claims description 5
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 5
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 5
- 235000013877 carbamide Nutrition 0.000 claims description 5
- 229910052570 clay Inorganic materials 0.000 claims description 5
- 235000005822 corn Nutrition 0.000 claims description 5
- 238000012258 culturing Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 238000011081 inoculation Methods 0.000 claims description 5
- 239000002054 inoculum Substances 0.000 claims description 5
- 238000009629 microbiological culture Methods 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 238000009818 secondary granulation Methods 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000010902 straw Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 8
- 239000002609 medium Substances 0.000 abstract description 6
- 235000015097 nutrients Nutrition 0.000 abstract description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract description 2
- 239000011573 trace mineral Substances 0.000 abstract description 2
- 235000013619 trace mineral Nutrition 0.000 abstract description 2
- 239000011701 zinc Substances 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 239000001888 Peptone Substances 0.000 description 8
- 108010080698 Peptones Proteins 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 235000019319 peptone Nutrition 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 235000002566 Capsicum Nutrition 0.000 description 6
- 241000722363 Piper Species 0.000 description 6
- 239000006002 Pepper Substances 0.000 description 5
- 235000016761 Piper aduncum Nutrition 0.000 description 5
- 235000017804 Piper guineense Nutrition 0.000 description 5
- 235000008184 Piper nigrum Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- -1 humic acid compound Chemical class 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 4
- 229930006000 Sucrose Natural products 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 229940041514 candida albicans extract Drugs 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000005720 sucrose Substances 0.000 description 4
- 239000012138 yeast extract Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000004071 biological effect Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003183 carcinogenic agent Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000002509 fulvic acid Substances 0.000 description 2
- 229940095100 fulvic acid Drugs 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- CCBICDLNWJRFPO-UHFFFAOYSA-N 2,6-dichloroindophenol Chemical compound C1=CC(O)=CC=C1N=C1C=C(Cl)C(=O)C(Cl)=C1 CCBICDLNWJRFPO-UHFFFAOYSA-N 0.000 description 1
- GZJIQNJINXQYTG-UHFFFAOYSA-N 2-nitrooxybenzoic acid Chemical compound OC(=O)C1=CC=CC=C1O[N+]([O-])=O GZJIQNJINXQYTG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- GAMYVSCDDLXAQW-AOIWZFSPSA-N Thermopsosid Natural products O(C)c1c(O)ccc(C=2Oc3c(c(O)cc(O[C@H]4[C@H](O)[C@@H](O)[C@H](O)[C@H](CO)O4)c3)C(=O)C=2)c1 GAMYVSCDDLXAQW-AOIWZFSPSA-N 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- WZLMXYBCAZZIRQ-UHFFFAOYSA-N [N].[P].[K] Chemical compound [N].[P].[K] WZLMXYBCAZZIRQ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- RJGDLRCDCYRQOQ-UHFFFAOYSA-N anthrone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3CC2=C1 RJGDLRCDCYRQOQ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000001390 capsicum minimum Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013400 design of experiment Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930003944 flavone Natural products 0.000 description 1
- 150000002212 flavone derivatives Chemical class 0.000 description 1
- 235000011949 flavones Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000002137 ultrasound extraction Methods 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- VHBFFQKBGNRLFZ-UHFFFAOYSA-N vitamin p Natural products O1C2=CC=CC=C2C(=O)C=C1C1=CC=CC=C1 VHBFFQKBGNRLFZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an activated humic acid biological compound fertilizer and a preparation method thereof, belonging to the technical field of fertilizers. The fertilizer is prepared from the following raw materials: 50-60 parts of humic acid, 30-40 parts of urea, 30-50 parts of monoammonium phosphate, 30-50 parts of potassium sulfate, 10-20 parts of composite microbial powder, 10-20 parts of clay, 1-5 parts of anhydrous magnesium sulfate, 1-5 parts of boric acid, 1-3 parts of EDTA chelated zinc, 1-3 parts of EDTA chelated iron and 1-3 parts of EDTA chelated manganese. According to the invention, humic acid is used as a main raw material, a small amount of macroelements such as urea and monoammonium phosphate and medium and trace elements such as boron, zinc, iron and manganese are supplemented, so that sufficient nutrition is provided for the growth of crops, and the compound microbial agent prepared by the enterobacter carcinogenes is supplemented, so that the growth of the crops can be effectively promoted, and the absorption and utilization of humic acid nutrient substances by the crops can be promoted.
Description
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to an activated humic acid biological compound fertilizer and a preparation method thereof.
Background
Humic acid fertilizer is an organic fertilizer, natural humic acid is formed by decomposing plant residues, widely exists in dry soil, river mud, and buried light weathered coal, turf and lignite, contains elements such as carbon, hydrogen, oxygen, nitrogen and the like, has certain fertilizer efficiency, but most of the humic acid fertilizer is difficult to dissolve dry water, is easy to be absorbed by plants as nutrients if being combined with substances such as potassium, sodium, ammonium and the like and dried and ammoniated, has multiple purposes, is prepared by being combined with elements such as nitrogen, phosphorus, potassium and the like in agriculture, can be divided into two categories of natural humic acid and artificial humic acid according to sources, is divided into soil humic acid sodium (white) phytic acid, coal humic acid, water humic acid, mildew humic acid and the like according to the existing fields, and can be divided into primary humic acid and regenerated humic acid according to the generation mode, humic acids are classified into fulvic acid, ulmic acid and fulvic acid according to solubility in a solvent and color classification, and they are actually separated from different solvents.
At present, the compound fertilizer system mainly produces the nitrogen-phosphorus-potassium three-element compound fertilizer, and the production technology is deficient in the aspect of efficiently slowly releasing and adding organic matters, so that the fertilizer efficiency utilization rate of the compound fertilizer is low; the humic acid compound fertilizer has better effects on increasing the crop yield, improving the quality of agricultural products, improving soil and the like, can improve the utilization rate of organic matters, and enhance the disease resistance, early drought resistance, cold resistance and saline-alkali resistance of crops, and is gradually recognized and accepted by farmers, so that the humic acid compound fertilizer becomes an important variety in fertilizer families. But the soil improvement effect and the biological effect of the compound fertilizer produced by adopting the unactivated humic acid are not obvious. The total humic acid content in the weathered coal is generally more than 50 wt%, but the water-soluble humic acid content is generally lwt-3 wt%, and the water-soluble humic acid plays a very key role in improving soil, promoting crop growth and improving the utilization rate of organic matters, so that the activation of the humic acid raw material and the improvement of the water-soluble humic acid content become an effective way for improving the application effect of the humic acid compound fertilizer.
The humic acid activating method mainly comprises an acidification method, an alkalization method and a biological fermentation method, wherein the alkalization activation method is applied more, in the prior art, alkaline substances for activating the humic acid mainly comprise potassium hydroxide, potassium carbonate, sodium bicarbonate, potassium bicarbonate and the like, but the alkaline substances have the problems of high cost, easy seedling burning caused by residual unreacted alkali and the like, the process is complex, and the industrial production is not realized. And the activation degree of humic acid is not ideal, the soluble components are still at a relatively low level, the fertilizer efficiency time is short, and the biological activity is poor, so that the humic acid compound fertilizer is difficult to be really and effectively applied and popularized.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the humic acid compound fertilizer with high biological activity and the preparation method thereof, which greatly improve the utilization rate of humic acid, reduce the application amount of chemical fertilizer and improve the soil environment while promoting the growth of crops.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
an activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 50-60 parts of humic acid, 30-40 parts of urea, 30-50 parts of monoammonium phosphate, 30-50 parts of potassium sulfate, 10-20 parts of composite microbial powder, 10-20 parts of clay, 1-5 parts of anhydrous magnesium sulfate, 1-5 parts of boric acid, 1-3 parts of EDTA chelated zinc, 1-3 parts of EDTA chelated iron and 1-3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
Further, the activation method of the humic acid comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 1-3h to obtain lignite powder, wherein the mass ratio of ball materials is 10-15: 1;
(2) placing the lignite powder in a steam explosion tank, firstly introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, carrying out explosion treatment for 20-30min, instantly recovering the normal pressure, and then placing the lignite powder at the temperature of 120-;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing the mixture in an environment of 35-45 ℃ for activation for 24-48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
Further, in the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
Further, the mass concentration of the sodium carbonate solution is 20%.
Further, the preparation method of the compound microbial agent comprises the following steps: respectively inoculating 5% of inoculum size of the Enterobacter carcinogenes strain into liquid LB culture medium, and culturing at 25-26 deg.C with shaking table rotation speed of 200rpm for 24h to obtain fermented seed solution; inoculating the fermented seed liquid into a liquid fermentation culture tank according to the inoculation amount of 10%, oscillating at 25-26 ℃ and 200rpm for 48h, performing amplification culture to obtain a fermented bacterial liquid, and adsorbing the fermented bacterial liquid by using 20-mesh corn straw powder, wherein the solid-liquid ratio is 1kg: 2L; and after full adsorption is finished, drying at 25-26 ℃ until the water content reaches below 30% to obtain the compound microbial powder.
The LB culture medium consists of the following components in percentage by weight: 0.5% of yeast extract, 1% of peptone, 1% of sodium chloride and 1000mL of deionized water; the LB medium was sterilized at 121 ℃ for 20min, pH 7.
The liquid fermentation culture tank comprises the following culture media: sucrose 5.0g, peptone 5.0g, MgSO45.0 g, distilled water 1000mL, pH 7.
Further, the Enterobacter carcinogenes strain in the step (1) is purchased from the China general microbiological culture Collection center of China Committee for culture Collection of microorganisms with the collection number of CGMCC No. 1.14969.
A preparation method of an activated humic acid biological compound fertilizer comprises the following steps:
(1) activating humic acid;
(2) preparing composite microbial powder;
(3) firstly, adding activated humic acid and compound microbial powder for granulation, and then adding urea, monoammonium phosphate, potassium sulfate, clay, anhydrous magnesium sulfate, boric acid, EDTA chelated zinc, EDTA chelated iron and EDTA chelated manganese for secondary granulation to obtain solid fertilizer particles which are convenient to use.
The humic acid fertilizer as an ecological agricultural fertilizer can improve the utilization rate of the fertilizer, increase the yield of crops, improve the physical and chemical properties of soil and the like. The activity of humic acid is low by taking unactivated lignite as a raw material, and the humic acid cannot play the due role after being applied to soil.
Advantageous effects
(1) Firstly, ball milling is carried out on lignite, the fineness and the specific surface area of solid particles are increased, blasting treatment and low-temperature oxidation treatment are carried out, foaming gaps are formed in the solid particles, in the low-temperature oxidation reaction, part of carbon-containing functional groups are converted into oxygen-containing functional groups, and the solubility of HA is increased by the hydrophilic oxygen-containing functional groups; the decomposition of the COOH groups to H can be accelerated at high temperatures2O and CO2The pores of the lignite are more and larger, a channel is provided for HA precipitation, the dissolution of humic acid effective substances is facilitated, the use of subsequent alkali liquor is reduced, finally, alkali fusion is carried out, the soluble humic acid components in the lignite are extracted to the maximum extent, the activation rate is up to 87-90%, and the efficient utilization of lignite resources is realized;
(2) the invention is supplemented with a small amount of macroelements such as urea, monoammonium phosphate and the like and medium and trace elements such as boron, zinc, iron, manganese and the like to provide sufficient nutrition for the growth of crops, and is supplemented with the compound microbial agent prepared from the enterobacter carcinogens, on one hand, the compound microbial agent is used as a rhizosphere growth-promoting bacterium and can effectively promote the growth of the crops, on the other hand, the compound microbial agent can be adsorbed in porous humic acid particles prepared from lignite, active substances secreted by the enterobacter carcinogens can continuously play a role after being applied to soil, and can also promote the absorption and utilization of the humic acid nutrient substances by the crops, and the two are cooperated to realize the efficient utilization of the fertilizer together.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments, but is not limited thereto.
Example 1
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 50 parts of humic acid, 30 parts of urea, 30 parts of monoammonium phosphate, 30 parts of potassium sulfate, 10 parts of composite microbial powder, 10 parts of clay, 1 part of anhydrous magnesium sulfate, 1 part of boric acid, 1 part of EDTA chelated zinc, 1 part of EDTA chelated iron and 1 part of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
The lignite has high organic matter content, and 10-80% of lignite is humic acid. Humic acid is not only natural organic fertilizer, but also has the functions of fixing heavy metals, treating pollutants, being used as a raw material of carbon materials and the like. Therefore, the extraction of humic acid from lignite is one of important ways for developing high value-added utilization of lignite non-fuel
The humic acid activation method comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 1h to obtain lignite powder, wherein the mass ratio of ball materials is 15: 1;
(2) placing lignite powder in a steam explosion tank, introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, performing explosion treatment for 20min, recovering normal pressure instantly, and then placing at 120 ℃ for low temperature activation for 10min to obtain pretreated powder;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing in an environment of 35-45 ℃ for activation for 24 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
In the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
The mass concentration of the sodium carbonate solution is 20%.
The preparation method of the compound microbial agent comprises the following steps: respectively inoculating 5% of inoculum size of the Enterobacter carcinogenes strain into liquid LB culture medium, and culturing at 25-26 deg.C with shaking table rotation speed of 200rpm for 24h to obtain fermented seed solution; inoculating the fermented seed liquid into a liquid fermentation culture tank according to the inoculation amount of 10%, oscillating at 25-26 ℃ and 200rpm for 48h, performing amplification culture to obtain a fermented bacterial liquid, and adsorbing the fermented bacterial liquid by using 20-mesh corn straw powder, wherein the solid-liquid ratio is 1kg: 2L; and after full adsorption is finished, drying at 25-26 ℃ until the water content reaches below 30% to obtain the compound microbial powder.
The LB culture medium consists of the following components in percentage by weight: 0.5% of yeast extract, 1% of peptone, 1% of sodium chloride and 1000mL of deionized water; the LB medium was sterilized at 121 ℃ for 20min, pH 7.
The liquid fermentation culture tank comprises the following culture media: sucrose 5.0g, peptone 5.0g, MgSO45.0 g, distilled water 1000mL, pH 7.
The Enterobacter carcinogenes strain in the step (1) is purchased from the China general microbiological culture Collection center of China Committee for culture Collection of microorganisms, and the preservation number is CGMCC No. 1.14969.
A preparation method of an activated humic acid biological compound fertilizer comprises the following steps:
(1) activating humic acid;
(2) preparing composite microbial powder;
(3) firstly, adding activated humic acid and compound microbial powder for granulation, and then adding urea, monoammonium phosphate, potassium sulfate, clay, anhydrous magnesium sulfate, boric acid, EDTA chelated zinc, EDTA chelated iron and EDTA chelated manganese for secondary granulation to obtain solid fertilizer particles which are convenient to use.
Example 2
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 55 parts of humic acid, 35 parts of urea, 40 parts of monoammonium phosphate, 40 parts of potassium sulfate, 15 parts of composite microbial powder, 15 parts of clay, 3 parts of anhydrous magnesium sulfate, 3 parts of boric acid, 2 parts of EDTA chelated zinc, 2 parts of EDTA chelated iron and 2 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
The humic acid activation method comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 3 hours to obtain lignite powder, wherein the mass ratio of ball materials is 15: 1;
(2) placing lignite powder in a steam explosion tank, introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, performing explosion treatment for 30min, recovering normal pressure instantly, and then placing at 150 ℃ for low temperature activation for 20min to obtain pretreated powder;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing in an environment of 35-45 ℃ for activation for 48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
In the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
The mass concentration of the sodium carbonate solution is 20%.
The preparation method of the compound microbial agent comprises the following steps: respectively inoculating 5% of inoculum size of the Enterobacter carcinogenes strain into liquid LB culture medium, and culturing at 25-26 deg.C with shaking table rotation speed of 200rpm for 24h to obtain fermented seed solution; inoculating the fermented seed liquid into a liquid fermentation culture tank according to the inoculation amount of 10%, oscillating at 25-26 ℃ and 200rpm for 48h, performing amplification culture to obtain a fermented bacterial liquid, and adsorbing the fermented bacterial liquid by using 20-mesh corn straw powder, wherein the solid-liquid ratio is 1kg: 2L; and after full adsorption is finished, drying at 25-26 ℃ until the water content reaches below 30% to obtain the compound microbial powder.
The LB culture medium consists of the following components in percentage by weight: 0.5% of yeast extract, 1% of peptone, 1% of sodium chloride and 1000mL of deionized water; the LB medium was sterilized at 121 ℃ for 20min, pH 7.
The liquid fermentation culture tank comprises the following culture media: sucrose 5.0g, peptone 5.0g, MgSO45.0 g, distilled water 1000mL, pH 7.
The Enterobacter carcinogenes strain in the step (1) is purchased from the China general microbiological culture Collection center of China Committee for culture Collection of microorganisms, and the preservation number is CGMCC No. 1.14969.
A preparation method of an activated humic acid biological compound fertilizer comprises the following steps:
(1) activating humic acid;
(2) preparing composite microbial powder;
(3) firstly, adding activated humic acid and compound microbial powder for granulation, and then adding urea, monoammonium phosphate, potassium sulfate, clay, anhydrous magnesium sulfate, boric acid, EDTA chelated zinc, EDTA chelated iron and EDTA chelated manganese for secondary granulation to obtain solid fertilizer particles which are convenient to use.
Example 3
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 60 parts of humic acid, 40 parts of urea, 50 parts of monoammonium phosphate, 50 parts of potassium sulfate, 20 parts of composite microbial powder, 20 parts of clay, 5 parts of anhydrous magnesium sulfate, 5 parts of boric acid, 3 parts of EDTA chelated zinc, 3 parts of EDTA chelated iron and 3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
The humic acid activation method comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 3 hours to obtain lignite powder, wherein the mass ratio of ball materials is 15: 1;
(2) placing lignite powder in a steam explosion tank, introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, performing explosion treatment for 30min, recovering normal pressure instantly, and then placing at 150 ℃ for low temperature activation for 20min to obtain pretreated powder;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing in an environment of 35-45 ℃ for activation for 48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
In the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
The mass concentration of the sodium carbonate solution is 20%.
The preparation method of the compound microbial agent comprises the following steps: respectively inoculating 5% of inoculum size of the Enterobacter carcinogenes strain into liquid LB culture medium, and culturing at 25-26 deg.C with shaking table rotation speed of 200rpm for 24h to obtain fermented seed solution; inoculating the fermented seed liquid into a liquid fermentation culture tank according to the inoculation amount of 10%, oscillating at 25-26 ℃ and 200rpm for 48h, performing amplification culture to obtain a fermented bacterial liquid, and adsorbing the fermented bacterial liquid by using 20-mesh corn straw powder, wherein the solid-liquid ratio is 1kg: 2L; and after full adsorption is finished, drying at 25-26 ℃ until the water content reaches below 30% to obtain the compound microbial powder.
The LB culture medium consists of the following components in percentage by weight: 0.5% of yeast extract, 1% of peptone, 1% of sodium chloride and 1000mL of deionized water; the LB medium was sterilized at 121 ℃ for 20min, pH 7.
The liquid fermentation culture tank comprises the following culture media: sucrose 5.0g, peptone 5.0g, MgSO45.0 g, distilled water 1000mL, pH 7.
The Enterobacter carcinogenes strain in the step (1) is purchased from the China general microbiological culture Collection center of China Committee for culture Collection of microorganisms, and the preservation number is CGMCC No. 1.14969.
A preparation method of an activated humic acid biological compound fertilizer comprises the following steps:
(1) activating humic acid;
(2) preparing composite microbial powder;
(3) firstly, adding activated humic acid and compound microbial powder for granulation, and then adding urea, monoammonium phosphate, potassium sulfate, clay, anhydrous magnesium sulfate, boric acid, EDTA chelated zinc, EDTA chelated iron and EDTA chelated manganese for secondary granulation to obtain solid fertilizer particles which are convenient to use.
Comparative example 1
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 60 parts of humic acid, 40 parts of urea, 50 parts of monoammonium phosphate, 50 parts of potassium sulfate, 20 parts of composite microbial powder, 20 parts of clay, 5 parts of anhydrous magnesium sulfate, 5 parts of boric acid, 3 parts of EDTA chelated zinc, 3 parts of EDTA chelated iron and 3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
The humic acid activation method comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 3 hours to obtain lignite powder, wherein the mass ratio of ball materials is 15: 1;
(2) activating at 150 deg.C for 20min to obtain pretreated powder;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing in an environment of 35-45 ℃ for activation for 48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
In the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
In the comparative example, the raw materials and the preparation process are the same as those in example 3 except that the lignite is not subjected to blasting treatment after ball milling.
Comparative example 2
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 60 parts of humic acid, 40 parts of urea, 50 parts of monoammonium phosphate, 50 parts of potassium sulfate, 20 parts of composite microbial powder, 20 parts of clay, 5 parts of anhydrous magnesium sulfate, 5 parts of boric acid, 3 parts of EDTA chelated zinc, 3 parts of EDTA chelated iron and 3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
The humic acid activation method comprises the following steps:
(1) drying and crushing lignite, and then carrying out ball milling for 3 hours to obtain lignite powder, wherein the mass ratio of ball materials is 15: 1;
(2) placing lignite powder in a steam explosion tank, firstly introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, carrying out explosion treatment for 30min, and instantly recovering normal pressure to obtain pretreated powder;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing in an environment of 35-45 ℃ for activation for 48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
In the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
In the comparative example, the raw materials and the preparation process are the same as those in example 3 except that the lignite is not subjected to the low-temperature oxidation treatment after blasting.
Comparative example 3
An activated humic acid biological compound fertilizer is prepared from the following raw materials in parts by weight: 60 parts of humic acid, 40 parts of urea, 50 parts of monoammonium phosphate, 50 parts of potassium sulfate, 20 parts of clay, 5 parts of anhydrous magnesium sulfate, 5 parts of boric acid, 3 parts of EDTA chelated zinc, 3 parts of EDTA chelated iron and 3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
In the comparative example, the raw materials and the preparation process are the same as those in example 3 except that the compound microbial agent is not added.
Performance testing
The activation efficiency of lignite humic acid of examples 1-3 and comparative examples 1-2 is respectively detected
Detecting raw material
Humic acid particles obtained after lignite activation
Detection method
And (3) determining the content of total humic acid in the sample: refer to the determination of the total humic acid content of mineral sources (GB/T34766-2017).
And (3) measuring the content of soluble humic acid in the sample: refer to the determination of the content of soluble humic acid in mineral humic acid fertilizer (GB/T35107-2017).
The activation rate m of humic acid is soluble humic acid content multiplied by 100 percent per the total humic acid content in the raw material.
TABLE 1 test results
| Total humic acid% | Soluble humic acid% | Activation ratio% | |
| Example 1 | 59.8 | 53.7 | 89.80 |
| Example 2 | 61.5 | 55.1 | 89.59 |
| Example 3 | 60.8 | 55.1 | 90.63 |
| Comparative example 1 | 61.3 | 45.6 | 74.39 |
| Comparative example 2 | 59.7 | 47.2 | 79.06 |
Planting test
1. Design of experiments
(1) Test site: shandong province Linyi city economic development area Keke Feng agricultural test base
(2) Test work: capsicum, threo pepper 1614
2. The experiment was repeated 3 times with 7 treatments, the data averaged and arranged in random blocks, each cell area was 55.6m2Planting a single pepper plant, wherein the plant spacing is 25cm, the row spacing is 50cm, and hole application is carried out on a fertilizer to be tested before rotary tillage.
The yield is measured by adopting a measurement method, pepper fruits with the length of 18-20cm are harvested in batches in the pepper fruiting period, the harvesting quality is recorded respectively, all pepper fruits are harvested when the pepper is harvested, and the total yield is calculated.
The determination of the soluble total sugar adopts an anthrone colorimetric method, the determination of the content of the vitamin C adopts a 2, 6-dichlorophenol indophenol titration method, the determination of the content of the nitrate adopts a nitro salicylic acid method, and the determination of the content of the flavone adopts an ultrasonic extraction method.
TABLE 2 planting test results
It should be noted that the above-mentioned embodiments are only some of the preferred modes for implementing the invention, and not all of them. Obviously, all other embodiments obtained by persons of ordinary skill in the art based on the above-mentioned embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
Claims (7)
1. An activated humic acid biological compound fertilizer is characterized by comprising the following raw materials in parts by weight: 50-60 parts of humic acid, 30-40 parts of urea, 30-50 parts of monoammonium phosphate, 30-50 parts of potassium sulfate, 10-20 parts of composite microbial powder, 10-20 parts of clay, 1-5 parts of anhydrous magnesium sulfate, 1-5 parts of boric acid, 1-3 parts of EDTA chelated zinc, 1-3 parts of EDTA chelated iron and 1-3 parts of EDTA chelated manganese, wherein the humic acid is obtained by activating lignite.
2. The activated humic acid biological compound fertilizer as claimed in claim 1, wherein the activation method of the humic acid is as follows:
(1) drying and crushing lignite, and then carrying out ball milling for 1-3h to obtain lignite powder, wherein the mass ratio of ball materials is 10-15: 1;
(2) placing the lignite powder in a steam explosion tank, firstly introducing oxygen until the pressure in the steam explosion tank is 3-4MPa, carrying out explosion treatment for 20-30min, instantly recovering the normal pressure, and then placing the lignite powder at the temperature of 120-;
(3) uniformly mixing the pretreated powder and a sodium carbonate solution, sealing, placing the mixture in an environment of 35-45 ℃ for activation for 24-48 hours, then adjusting the pH value of the solution to be neutral, and evaporating and concentrating to obtain the lignite activated humic acid.
3. The activated humic acid biological compound fertilizer as claimed in claim 2, wherein in the step (3), the solid-to-liquid ratio of the powder material to the sodium carbonate solution is 1kg to 10L.
4. The activated humic acid biological compound fertilizer as claimed in claim 2, wherein the mass concentration of the sodium carbonate solution is 20%.
5. The activated humic acid biological compound fertilizer as claimed in claim 1, wherein the preparation method of the compound microbial agent is as follows: respectively inoculating 5% of inoculum size of the Enterobacter carcinogenes strain into liquid LB culture medium, and culturing at 25-26 deg.C with shaking table rotation speed of 200rpm for 24h to obtain fermented seed solution; inoculating the fermented seed liquid into a liquid fermentation culture tank according to the inoculation amount of 10%, oscillating at 25-26 ℃ and 200rpm for 48h, performing amplification culture to obtain a fermented bacterial liquid, and adsorbing the fermented bacterial liquid by using 20-mesh corn straw powder, wherein the solid-liquid ratio is 1kg: 2L; and after full adsorption is finished, drying at 25-26 ℃ until the water content reaches below 30% to obtain the compound microbial powder.
6. The activated humic acid biological compound fertilizer as claimed in claim 5, wherein the enterobacter tumefaciens of step (1) is purchased from China general microbiological culture Collection center (CGMCC) with a collection number of CGMCC No. 1.14969.
7. The method for preparing the activated humic acid biological compound fertilizer as claimed in any one of the claims 1 to 6, which is characterized by comprising the following steps:
(1) activating humic acid;
(2) preparing composite microbial powder;
(3) firstly, adding activated humic acid and compound microbial powder for granulation, and then adding urea, monoammonium phosphate, potassium sulfate, clay, anhydrous magnesium sulfate, boric acid, EDTA chelated zinc, EDTA chelated iron and EDTA chelated manganese for secondary granulation to obtain solid fertilizer particles which are convenient to use.
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