CN116217297A - Organic-inorganic compound water-soluble fertilizer and preparation method thereof - Google Patents
Organic-inorganic compound water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN116217297A CN116217297A CN202310352539.2A CN202310352539A CN116217297A CN 116217297 A CN116217297 A CN 116217297A CN 202310352539 A CN202310352539 A CN 202310352539A CN 116217297 A CN116217297 A CN 116217297A
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- fertilizer
- water
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- inorganic compound
- soluble fertilizer
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 113
- 229910010272 inorganic material Inorganic materials 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- KSEBMYQBYZTDHS-HWKANZROSA-M (E)-Ferulic acid Natural products COC1=CC(\C=C\C([O-])=O)=CC=C1O KSEBMYQBYZTDHS-HWKANZROSA-M 0.000 claims abstract description 52
- KSEBMYQBYZTDHS-HWKANZROSA-N ferulic acid Chemical compound COC1=CC(\C=C\C(O)=O)=CC=C1O KSEBMYQBYZTDHS-HWKANZROSA-N 0.000 claims abstract description 52
- 229940114124 ferulic acid Drugs 0.000 claims abstract description 52
- KSEBMYQBYZTDHS-UHFFFAOYSA-N ferulic acid Natural products COC1=CC(C=CC(O)=O)=CC=C1O KSEBMYQBYZTDHS-UHFFFAOYSA-N 0.000 claims abstract description 52
- 235000001785 ferulic acid Nutrition 0.000 claims abstract description 52
- QURCVMIEKCOAJU-UHFFFAOYSA-N trans-isoferulic acid Natural products COC1=CC=C(C=CC(O)=O)C=C1O QURCVMIEKCOAJU-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229920001661 Chitosan Polymers 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 28
- 229940090496 Urease inhibitor Drugs 0.000 claims abstract description 25
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 25
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 24
- 241001330002 Bambuseae Species 0.000 claims abstract description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 24
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003513 alkali Substances 0.000 claims abstract description 24
- 239000011425 bamboo Substances 0.000 claims abstract description 24
- 239000011701 zinc Substances 0.000 claims abstract description 23
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 23
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims abstract description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004202 carbamide Substances 0.000 claims abstract description 19
- 235000013922 glutamic acid Nutrition 0.000 claims abstract description 19
- 239000004220 glutamic acid Substances 0.000 claims abstract description 19
- 239000002686 phosphate fertilizer Substances 0.000 claims abstract description 16
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011777 magnesium Substances 0.000 claims abstract description 15
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 15
- MMCOUVMKNAHQOY-UHFFFAOYSA-N carbonoperoxoic acid Chemical compound OOC(O)=O MMCOUVMKNAHQOY-UHFFFAOYSA-N 0.000 claims abstract description 14
- -1 percarbonate amide Chemical class 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 4
- 239000002585 base Substances 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 30
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 238000002156 mixing Methods 0.000 claims description 18
- 241000383566 Donax <angiosperm> Species 0.000 claims description 16
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- INVGWHRKADIJHF-UHFFFAOYSA-N Sanguinarin Chemical compound C1=C2OCOC2=CC2=C3[N+](C)=CC4=C(OCO5)C5=CC=C4C3=CC=C21 INVGWHRKADIJHF-UHFFFAOYSA-N 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 8
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 8
- FCEXWTOTHXCQCQ-UHFFFAOYSA-N Ethoxydihydrosanguinarine Natural products C12=CC=C3OCOC3=C2C(OCC)N(C)C(C2=C3)=C1C=CC2=CC1=C3OCO1 FCEXWTOTHXCQCQ-UHFFFAOYSA-N 0.000 claims description 6
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- HEPPIYNOUFWEPP-UHFFFAOYSA-N n-diaminophosphinothioylbutan-1-amine Chemical compound CCCCNP(N)(N)=S HEPPIYNOUFWEPP-UHFFFAOYSA-N 0.000 claims description 6
- 229940084560 sanguinarine Drugs 0.000 claims description 6
- YZRQUTZNTDAYPJ-UHFFFAOYSA-N sanguinarine pseudobase Natural products C1=C2OCOC2=CC2=C3N(C)C(O)C4=C(OCO5)C5=CC=C4C3=CC=C21 YZRQUTZNTDAYPJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 239000005696 Diammonium phosphate Substances 0.000 claims description 5
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 5
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 5
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 5
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 5
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 5
- 239000006012 monoammonium phosphate Substances 0.000 claims description 5
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 5
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 5
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 5
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 5
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 4
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 4
- 229910052567 struvite Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 7
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000013270 controlled release Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 10
- 241000209140 Triticum Species 0.000 description 9
- 235000021307 Triticum Nutrition 0.000 description 7
- 235000012489 doughnuts Nutrition 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000002390 rotary evaporation Methods 0.000 description 4
- 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 description 3
- 239000004021 humic acid Substances 0.000 description 3
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 3
- UHPMCKVQTMMPCG-UHFFFAOYSA-N 5,8-dihydroxy-2-methoxy-6-methyl-7-(2-oxopropyl)naphthalene-1,4-dione Chemical compound CC1=C(CC(C)=O)C(O)=C2C(=O)C(OC)=CC(=O)C2=C1O UHPMCKVQTMMPCG-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 241000223218 Fusarium Species 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 241000233614 Phytophthora Species 0.000 description 2
- 241000233629 Phytophthora parasitica Species 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 229940088710 antibiotic agent Drugs 0.000 description 2
- 235000013877 carbamide Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 description 2
- 244000045947 parasite Species 0.000 description 2
- 230000002522 swelling effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 1
- ZHJGWYRLJUCMRT-UHFFFAOYSA-N 5-[6-[(4-methylpiperazin-1-yl)methyl]benzimidazol-1-yl]-3-[1-[2-(trifluoromethyl)phenyl]ethoxy]thiophene-2-carboxamide Chemical compound C=1C=CC=C(C(F)(F)F)C=1C(C)OC(=C(S1)C(N)=O)C=C1N(C1=C2)C=NC1=CC=C2CN1CCN(C)CC1 ZHJGWYRLJUCMRT-UHFFFAOYSA-N 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- SQJLCEUXLGXBQJ-HPWRNOGASA-N C(\C=C/C(=O)OCCCCCC(C)C)(=O)OCCCCCC(C)C.[Na] Chemical compound C(\C=C/C(=O)OCCCCCC(C)C)(=O)OCCCCCC(C)C.[Na] SQJLCEUXLGXBQJ-HPWRNOGASA-N 0.000 description 1
- AUNGANRZJHBGPY-UHFFFAOYSA-N D-Lyxoflavin Natural products OCC(O)C(O)C(O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-UHFFFAOYSA-N 0.000 description 1
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 1
- 229930003471 Vitamin B2 Natural products 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Inorganic materials [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- XLLZUKPXODPNPP-UHFFFAOYSA-N [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] XLLZUKPXODPNPP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940041514 candida albicans extract Drugs 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 description 1
- HASJWDPFBRPJNC-UHFFFAOYSA-N ethyl 4-[(4-ethoxycarbonylanilino)methylamino]benzoate Chemical compound C1=CC(C(=O)OCC)=CC=C1NCNC1=CC=C(C(=O)OCC)C=C1 HASJWDPFBRPJNC-UHFFFAOYSA-N 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229960002477 riboflavin Drugs 0.000 description 1
- 229940073490 sodium glutamate Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011716 vitamin B2 Substances 0.000 description 1
- 235000019164 vitamin B2 Nutrition 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Images
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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- 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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Soil Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an organic-inorganic compound water-soluble fertilizer and a preparation method thereof, wherein the organic-inorganic compound water-soluble fertilizer comprises the following raw materials in percentage by mass: 1-2% of glutamic acid, 3-5% of percarbonic acid amide, 20-30% of urea, 5-8% of phosphate fertilizer, 0.5-1.5% of zinc fertilizer, 0.8-1.6% of magnesium fertilizer, 0.2-0.4% of urease inhibitor, 0.5-1% of antibacterial gel and the balance of water; the antibacterial gel is ferulic acid/reed and (3) grafting O-carboxymethyl chitosan by bamboo alkali. The invention firstly utilizes the percarbonate amide, the ferulic acid/the donut-shaped bamboo alkali grafted O-carboxymethyl chitosan to be combined with the organic-inorganic compound water-soluble fertilizer, wherein: after the percarbonic acid amide enters the soil, oxygen is slowly released under the action of water, oxygen is continuously conveyed to the crop growth soil, the problems of root rot, slow growth, no flowering and no fruiting of crops caused by lack of oxygen in the soil are avoided, and the dual immobilization of fertilizer effect components in the water-soluble fertilizer is realized by utilizing the interaction of soil colloidal particles and an antibacterial gel, so that the stability of the water-soluble fertilizer is improved to a certain extent, and the effect of slow-release and controlled-release fertilizer is achieved.
Description
Technical Field
The invention belongs to the field of water-soluble fertilizer preparation, and in particular relates to an organic-inorganic compound water-soluble fertilizer and a preparation method thereof.
Background
(Water Soluble Fertilizer, abbreviated as WSF), is a water-soluble multi-element compound fertilizer which is easier to be absorbed and utilized by crops, can be applied to facility agriculture such as sprinkling irrigation, drip irrigation and the like, realizes the integration of water and fertilizer, and achieves the effects of saving water, fertilizer and labor. The water-soluble fertilizer has good fertilizer efficiency, high utilization rate, uniform fertilization and comprehensive nutrition, and is not easy to cause the phenomenon of seedling burning of crops, so the development of the water-soluble fertilizer is still one of research hotspots in the field of fertilizers. The invention patent with publication number discloses that the composition comprises the following components in percentage by mass: 30% -35% of calcium nitrate tetrahydrate, 20% -25% of magnesium nitrate hexahydrate, 32% -38% of beet molasses, 0.5% -1% of sodium octaborate, 0.5% -1% of zinc nitrate hexahydrate, 0.15% -0.3% of vitamin B2, 1.2% -1.8% of sodium glutamate, 2% -2.5% of yeast extract, 1.5% -2% of sodium diisooctyl maleate sulfonate and the balance of water; the invention patent with publication number discloses that the material is prepared from the following raw materials in percentage by mass: 3-10% of mineral source humic acid; 15-40% of fertilizer; 10-30% of cellulose; the water balance was made up to 100%. However, the water-soluble fertilizer has strong quick-acting property and poor stability, is difficult to store in soil for a long time, and is easy to cause fertilizer loss if the single application amount is too large; in addition, after the water-soluble fertilizer is applied, the humidity in soil can be greatly increased, under the condition of lack of oxygen in the soil, the growth of root systems is seriously influenced, the conditions of root rot, root rot and the like are caused, and the problems of yellow leaves, stiff seedlings, slow growth, slow development, no or less flowering, no or less fruiting and the like of plants are caused, and even the plants die.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an organic-inorganic compound water-soluble fertilizer and a preparation method thereof.
The technical scheme of the invention is summarized as follows:
an organic-inorganic compound water-soluble fertilizer comprises the following raw materials in percentage by mass: 1-2% of glutamic acid, 3-5% of percarbonic acid amide, 20-30% of urea, 5-8% of phosphate fertilizer, 0.5-1.5% of zinc fertilizer, 0.8-1.6% of magnesium fertilizer, 0.2-0.4% of urease inhibitor, 0.5-1% of antibacterial gel and the balance of water;
the antibacterial gel is ferulic acid/reed and (3) grafting O-carboxymethyl chitosan by bamboo alkali.
Further, the organic-inorganic compound water-soluble fertilizer comprises the following raw materials in percentage by mass: 1% of glutamic acid, 3% of percarbonate amide, 20% of urea, 5% of phosphate fertilizer, 0.5% of zinc fertilizer, 0.8% of magnesium fertilizer, 0.2% of urease inhibitor, 0.5% of antibacterial gel and the balance of water.
Further, the organic-inorganic compound water-soluble fertilizer comprises the following raw materials in percentage by mass: 1.5% of glutamic acid, 4% of percarbonate amide, 25% of urea, 6.5% of phosphate fertilizer, 1% of zinc fertilizer, 1.2% of magnesium fertilizer, 0.3% of urease inhibitor, 0.75% of antibacterial gel and the balance of water.
Further, the organic-inorganic compound water-soluble fertilizer comprises the following raw materials in percentage by mass: 2% of glutamic acid, 5% of percarbonate amide, 30% of urea, 8% of phosphate fertilizer, 1.5% of zinc fertilizer, 1.6% of magnesium fertilizer, 0.4% of urease inhibitor, 1% of antibacterial gel and the balance of water.
Further, the urease inhibitor is prepared by mixing N-butyl thiophosphoryl triamide and sanguinarine according to the mass ratio of 1 (0.3-0.8).
Further, the method comprises the steps of, the ferulic acid/donut-shaped donut a preparation method of carboxymethyl chitosan, the method comprises the following steps:
A. preparing materials: weighing 0.5-1.1 part of ferulic acid, 0.3-0.8 part of donax base, 30-50 parts of absolute ethyl alcohol, 5-8 parts of O-carboxymethyl chitosan in sequence according to parts by mass 60-80 parts of deionized water, 0.1-0.2 part of 4-dimethylaminopyridine, 0.2-0.3 part of dicyclohexylcarbodiimide, standby;
B. adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
C. adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
D. adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reacting for 2-3 hours, rotary evaporating, concentrating, vacuum drying and grinding to obtain ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan.
Further, the phosphate fertilizer at least comprises one of monoammonium phosphate, diammonium phosphate and monopotassium phosphate.
Further, the zinc fertilizer at least comprises one of zinc, zinc and the like.
Further, the magnesium fertilizer at least comprises one of magnesium sulfate, magnesium chloride and magnesium ammonium phosphate.
The invention also provides a preparation method of the organic-inorganic compound water-soluble fertilizer, which comprises the following steps:
s1: uniformly mixing urea, phosphate fertilizer, zinc fertilizer and magnesium fertilizer to obtain a mixed fertilizer base material;
s2: uniformly mixing glutamic acid, percarbonate amide, urease inhibitor and antibacterial gel to obtain an additive;
s3: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
The invention has the beneficial effects that:
1. the invention firstly utilizes the percarbonate amide, the ferulic acid/the donut-shaped bamboo alkali grafted O-carboxymethyl chitosan to be combined with the organic-inorganic compound water-soluble fertilizer, wherein: after the percarbonic acid amide enters the soil, under the action of water, oxygen is slowly released, and the reaction equation is as follows: CO (NH) 2 ) 2 ·H 2 O 2 →CO(NH 2 ) 2 +H 2 O+O 2 ∈is used for continuously conveying oxygen to the crop growth soil, so that the problems of root rot, slow growth, no flowering and no fruiting of crops caused by soil hypoxia are avoided; the ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan forms an antibacterial gel liquid under the swelling action of water molecules, and after application, the gel liquid is coated with soil colloidal particles and organically combinedThe integrated slow-release colloidal particles are formed, double immobilization of fertilizer effect components in the water-soluble fertilizer is realized by utilizing interaction of the soil colloidal particles and the antibacterial gel, the stability of the water-soluble fertilizer is improved to a certain extent, the effect of slow-release and controlled-release of the fertilizer is achieved, meanwhile, the ferulic acid/donut-shaped bamboo base grafted O-carboxymethyl chitosan has the effects of killing fusarium, phytophthora, humic acid and the like, and the ferulic acid/donut-shaped bamboo base grafted O-carboxymethyl chitosan complements with the percarbonate amide, so that root rot and rotten root problems of crops are avoided.
2. Ferulic acid the donax alkali is stably grafted on the macromolecular chain of the O-carboxymethyl chitosan, the ferulic acid and the donax alkali are stably grafted on the macromolecular chain of the O-carboxymethyl chitosan, so as to realize the immobilization of ferulic acid and donut's bamboo alkali, the loss of antibacterial active ingredients is avoided, the antibacterial effect is continuously exerted for a long time, the use of antibiotics is reduced, and the three are synergistic to kill parasites and bacteria, prevent and treat root rot, gray mold, damping off and the like.
3. The organic-inorganic compound water-soluble fertilizer prepared by the invention has longer fertilizer efficiency period, certain stability, high fertilizer efficiency utilization rate and the like, and can effectively prevent and treat root rot and rotten roots.
Drawings
FIG. 1 is a flow chart of a preparation method of the organic-inorganic compound water-soluble fertilizer.
Detailed Description
The present invention is described in further detail below with reference to examples to enable those skilled in the art to practice the same by referring to the description.
The invention provides an embodiment organic-inorganic compound water-soluble fertilizer, which comprises the following raw materials in percentage by mass: 1-2% of glutamic acid, 3-5% of percarbonic acid amide, 20-30% of urea, 5-8% of phosphate fertilizer, 0.5-1.5% of zinc fertilizer, 0.8-1.6% of magnesium fertilizer, 0.2-0.4% of urease inhibitor, 0.5-1% of antibacterial gel and the balance of water;
the antibacterial gel is ferulic acid/reed and (3) grafting O-carboxymethyl chitosan by bamboo alkali.
The urease inhibitor is prepared by mixing N-butyl thiophosphoryl triamide and sanguinarine according to the mass ratio of 1 (0.3-0.8);
the preparation method of the ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan comprises the following steps:
A. preparing materials: weighing 0.5-1.1 part of ferulic acid, 0.3-0.8 part of donax base, 30-50 parts of absolute ethyl alcohol, 5-8 parts of O-carboxymethyl chitosan in sequence according to parts by mass 60-80 parts of deionized water, 0.1-0.2 part of 4-dimethylaminopyridine, 0.2-0.3 part of dicyclohexylcarbodiimide, standby;
B. adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
C. adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
D. adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reacting for 2-3 hours, and performing rotary evaporation concentration, vacuum drying and grinding to obtain ferulic acid/donut-shaped graftage O-carboxymethyl chitosan;
the phosphate fertilizer at least comprises one of monoammonium phosphate, diammonium phosphate and monopotassium phosphate;
the zinc fertilizer at least comprises one of zinc, zinc and the like.
The preparation method of the organic-inorganic compound water-soluble fertilizer comprises the following steps:
s1: uniformly mixing urea, phosphate fertilizer, zinc fertilizer and magnesium fertilizer to obtain a mixed fertilizer base material;
s2: uniformly mixing glutamic acid, percarbonate amide, urease inhibitor and antibacterial gel to obtain an additive;
s3: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
Example 1
The preparation method of the organic-inorganic compound water-soluble fertilizer comprises the following steps:
s1: preparing ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan:
s101: preparing materials: weighing 0.5-1.1 part of ferulic acid, 0.3-0.8 part of donax base, 30-50 parts of absolute ethyl alcohol, 5-8 parts of O-carboxymethyl chitosan in sequence according to parts by mass 60-80 parts of deionized water, 0.1-0.2 part of 4-dimethylaminopyridine, 0.2-0.3 part of dicyclohexylcarbodiimide, standby;
s102: adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
s103: adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
s104: adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reacting for 2-3 hours, and performing rotary evaporation concentration, vacuum drying and grinding to obtain ferulic acid/donut-shaped graftage O-carboxymethyl chitosan;
s2: uniformly mixing N-butyl thiophosphoryl triamide and sanguinarine according to the mass ratio of 1 (0.3-0.8) to obtain the urease inhibitor;
s3: weighing the following raw materials in percentage by mass: 1% of glutamic acid, 3% of percarbonic acid amide, 20% of urea, 5% of monoammonium phosphate, 0.5% of magnesium sulfate, 0.8% of urease inhibitor, 0.5% of ferulic acid/donut-shaped bamboo base grafted O-carboxymethyl chitosan and the balance of water.
S4: uniformly mixing urea, monoammonium phosphate and magnesium sulfate to obtain a mixed fertilizer base material;
s5: uniformly mixing glutamic acid, percarbonic acid amide, urease inhibitor, ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan to obtain an additive;
s6: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
Example 2
The preparation method of the organic-inorganic compound water-soluble fertilizer comprises the following steps:
s1: preparing ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan:
s101: preparing materials: weighing 0.8 part of ferulic acid, 0.55 part of donax base, and the like according to the mass parts 40 parts of absolute ethyl alcohol, 6.5 parts of O-carboxymethyl chitosan 70 parts of deionized water, 0.15 part of 4-dimethylaminopyridine and 0.25 part of dicyclohexylcarbodiimide, standby;
s102: adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
s103: adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
s104: adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reacting for 2.5 hours, and performing rotary evaporation concentration, vacuum drying and grinding to obtain ferulic acid/donut-shaped graftage O-carboxymethyl chitosan;
s2: uniformly mixing N-butyl thiophosphoryl triamide and sanguinarine according to the mass ratio of 1:0.6 to obtain a urease inhibitor;
s3: weighing the following raw materials in percentage by mass: 1.5% of glutamic acid, 4% of percarbonic acid amide, 25% of urea, 6.5% of diammonium phosphate, 1% of zinc, 1.2% of magnesium chloride, 0.3% of urease inhibitor, 0.75% of ferulic acid/donin grafted O-carboxymethyl chitosan and the balance of water;
s4: uniformly mixing urea, diammonium phosphate, zinc and magnesium chloride to obtain a mixed fertilizer base material;
s5: uniformly mixing glutamic acid, percarbonic acid amide, urease inhibitor, ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan to obtain an additive;
s6: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
Example 3
The preparation method of the organic-inorganic compound water-soluble fertilizer comprises the following steps:
s1: preparing ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan:
s101: preparing materials: weighing 1.1 parts of ferulic acid, 0.8 part of donax base, and the like according to the mass parts 50 parts of absolute ethyl alcohol, 8 parts of O-carboxymethyl chitosan 80 parts of deionized water, 0.2 part of 4-dimethylaminopyridine and 0.3 part of dicyclohexylcarbodiimide, standby;
s102: adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
s103: adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
s104: adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reaction for 3 hours, and performing rotary evaporation concentration, vacuum drying and grinding to obtain ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan;
s2: uniformly mixing N-butyl thiophosphoryl triamide and sanguinarine according to the mass ratio of 1:0.8 to obtain a urease inhibitor;
s3: weighing the following raw materials in percentage by mass: 2% of glutamic acid, 5% of percarbonic acid amide, 30% of urea, 8% of monopotassium phosphate, 1.5% of magnesium ammonium phosphate, 1.6% of urease inhibitor, 0.4% of ferulic acid/donut-shaped bamboo base grafted O-carboxymethyl chitosan, and the balance of water;
s4: uniformly mixing urea, monopotassium phosphate and magnesium ammonium phosphate to obtain a mixed fertilizer base material;
s5: uniformly mixing glutamic acid, percarbonic acid amide, urease inhibitor, ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan to obtain an additive;
s6: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
Comparative example 1 is the same as example 1, except that: no percarbonate amide is added during the preparation.
Comparative example 2 is the same as example 1, except that: the ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan is not added in the preparation process.
Comparative example 3 is the same as example 1, except that: no percarbonate amide is added in the preparation process Ferulic acid/donut's base grafted O-carboxymethyl chitosan.
Selecting 7 groups of wheat with the same growth vigor, the same growth environment, the same planting area and the same planting density, wherein one group is not applied with an organic-inorganic compound water-soluble fertilizer, the other 6 groups are respectively applied with the organic-inorganic compound water-soluble fertilizer prepared in the examples 1-3 and the comparative examples 1-3, the wheat is respectively applied for 1 time in the tillering stage, the booting stage and the grouting stage, the single application amount is 30 kg/mu, after the wheat is fully mature, the yield increase rate relative to the blank group is collected and calculated, and the calculation formula of the yield increase rate is as follows: 100% × (wheat acre yield after application of organic-inorganic compound water-soluble fertilizer-wheat acre yield of blank control group)/wheat acre yield of blank control group, and after wheat harvesting, calculating root rot rate according to 100% × wheat plant number of each group/total wheat plant number of each group, and test results are shown in the following table:
| example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Yield increase/% | 196.8 | 225.7 | 258.3 | 169.7 | 164.4 | 145.2 |
| Rotten root rate/% | 0.11 | 0.08 | 0.04 | 4.25 | 5.87 | 9.33 |
As can be seen from the above table, compared with comparative example 1 without percarbonate, comparative example 2 without ferulic acid/donut's base grafted O-carboxymethyl chitosan, and comparative example 3 without percarbonate, ferulic acid/donut's base grafted O-carboxymethyl chitosan, the yield per mu of wheat is obviously improved and the rotten root rate is obviously reduced after the organic-inorganic compound water-soluble fertilizer prepared in examples 1-3 is applied.
Examples 1-3 the first use of percarbonic acid amide, ferulic acid/donut's base grafted O-carboxymethyl chitosan combined with an organic-inorganic compound water-soluble fertilizer, wherein: after the percarbonic acid amide enters the soil, under the action of water, oxygen is slowly released, and the reaction equation is as follows: CO (NH) 2 ) 2 ·H 2 O 2 →CO(NH 2 ) 2 +H 2 O+O 2 ∈is used for continuously conveying oxygen to the crop growth soil, so that the problems of root rot, slow growth, no flowering and no fruiting of crops caused by soil hypoxia are avoided; the ferulic acid/donut-shaped base grafted O-carboxymethyl chitosan forms an antibacterial gel liquid under the swelling action of water molecules, and after the application, the antibacterial gel liquid is coated with soil colloidal particles and organically combined to form an integrated slow-release colloidal particle, double immobilization of fertilizer effect components in the water-soluble fertilizer is realized by utilizing the interaction of the soil colloidal particles and the antibacterial gel, the stability of the water-soluble fertilizer is improved to a certain extent, the effect of slow-release and controlled-release of the fertilizer is achieved, meanwhile, the ferulic acid/donut-shaped base grafted O-carboxymethyl chitosan has the effects of killing fusarium, phytophthora, humic acid and the like, and the antibacterial gel liquid complements with percarbonate to avoid root rot and rotten root of crops.
Ferulic acid the donax alkali is stably grafted on the macromolecular chain of the O-carboxymethyl chitosan, the ferulic acid and the donax alkali are stably grafted on the macromolecular chain of the O-carboxymethyl chitosan, so as to realize the immobilization of ferulic acid and donut's bamboo alkali, the loss of antibacterial active ingredients is avoided, the antibacterial effect is continuously exerted for a long time, the use of antibiotics is reduced, and the three are synergistic to kill parasites and bacteria, prevent and treat root rot, gray mold, damping off and the like.
The organic-inorganic compound water-soluble fertilizer prepared in the embodiment 1-3 has longer fertilizer efficiency period, certain stability, high fertilizer efficiency utilization rate and the like, and can effectively prevent and treat root rot, rotten root and other problems.
Although embodiments of the present invention have been disclosed above, it is not limited to the use of the description and embodiments, it is well suited to various fields of use for the invention, and further modifications may be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the particular details without departing from the general concepts defined in the claims and the equivalents thereof.
Claims (10)
1. The organic-inorganic compound water-soluble fertilizer is characterized by comprising the following raw materials in percentage by mass: 1-2% of glutamic acid, 3-5% of percarbonic acid amide, 20-30% of urea, 5-8% of phosphate fertilizer, 0.5-1.5% of zinc fertilizer, 0.8-1.6% of magnesium fertilizer, 0.2-0.4% of urease inhibitor, 0.5-1% of antibacterial gel and the balance of water;
the antibacterial gel is ferulic acid/reed and (3) grafting O-carboxymethyl chitosan by bamboo alkali.
2. The organic-inorganic compound water-soluble fertilizer according to claim 1, which is characterized by comprising the following raw materials in percentage by mass: 1% of glutamic acid, 3% of percarbonate amide, 20% of urea, 5% of phosphate fertilizer, 0.5% of zinc fertilizer, 0.8% of magnesium fertilizer, 0.2% of urease inhibitor, 0.5% of antibacterial gel and the balance of water.
3. The organic-inorganic compound water-soluble fertilizer according to claim 1, which is characterized by comprising the following raw materials in percentage by mass: 1.5% of glutamic acid, 4% of percarbonate amide, 25% of urea, 6.5% of phosphate fertilizer, 1% of zinc fertilizer, 1.2% of magnesium fertilizer, 0.3% of urease inhibitor, 0.75% of antibacterial gel and the balance of water.
4. The organic-inorganic compound water-soluble fertilizer according to claim 1, which is characterized by comprising the following raw materials in percentage by mass: 2% of glutamic acid, 5% of percarbonate amide, 30% of urea, 8% of phosphate fertilizer, 1.5% of zinc fertilizer, 1.6% of magnesium fertilizer, 0.4% of urease inhibitor, 1% of antibacterial gel and the balance of water.
5. The organic-inorganic compound water-soluble fertilizer according to any one of claims 1 to 4, wherein the urease inhibitor is prepared by mixing N-butyl thiophosphoryl triamide and sanguinarine according to a mass ratio of 1 (0.3 to 0.8).
6. The organic-inorganic compound water-soluble fertilizer according to claim 1, wherein the preparation method of the ferulic acid/donut-shaped graftage O-carboxymethyl chitosan comprises the following steps:
A. preparing materials: weighing 0.5-1.1 part of ferulic acid, 0.3-0.8 part of donax base, 30-50 parts of absolute ethyl alcohol, 5-8 parts of O-carboxymethyl chitosan in sequence according to parts by mass 60-80 parts of deionized water, 0.1-0.2 part of 4-dimethylaminopyridine, 0.2-0.3 part of dicyclohexylcarbodiimide, standby;
B. adding ferulic acid and donut-shaped donax base into absolute ethyl alcohol, stirring and dissolving to obtain a reaction solution I;
C. adding O-carboxymethyl chitosan into deionized water, stirring and dissolving to obtain a reaction solution II;
D. adding the reaction solution I into the reaction solution II, uniformly stirring, adding 4-dimethylaminopyridine and dicyclohexylcarbodiimide, stirring at 75 ℃ for reacting for 2-3 hours, rotary evaporating, concentrating, vacuum drying and grinding to obtain ferulic acid/donut-shaped bamboo alkali grafted O-carboxymethyl chitosan.
7. An organic-inorganic compound water-soluble fertilizer according to any one of claims 1 to 4, wherein the phosphate fertilizer comprises at least one of monoammonium phosphate, diammonium phosphate, and monopotassium phosphate.
8. An organic-inorganic compound water-soluble fertilizer according to any one of claims 1-4, wherein the zinc fertilizer comprises at least one of zinc, zinc and a combination thereof.
9. An organic-inorganic compound water-soluble fertilizer according to any one of claims 1 to 4, wherein the magnesium fertilizer at least comprises one of magnesium sulfate, magnesium chloride and magnesium ammonium phosphate.
10. The method for preparing the organic-inorganic compound water-soluble fertilizer according to any one of claims 1 to 4 and 6, which is characterized by comprising the following steps:
s1: uniformly mixing urea, phosphate fertilizer, zinc fertilizer and magnesium fertilizer to obtain a mixed fertilizer base material;
s2: uniformly mixing glutamic acid, percarbonate amide, urease inhibitor and antibacterial gel to obtain an additive;
s3: adding the mixed fertilizer base material and the additive into water, and uniformly stirring to obtain the organic-inorganic compound water-soluble fertilizer.
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| CN114716279A (en) * | 2022-02-16 | 2022-07-08 | 操苏立 | Water-soluble compound fertilizer special for cotton and preparation method thereof |
| CN115700239A (en) * | 2022-11-25 | 2023-02-07 | 北京地乐福生物技术开发中心 | Fertilizer synergist and preparation method thereof |
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| CN114716279A (en) * | 2022-02-16 | 2022-07-08 | 操苏立 | Water-soluble compound fertilizer special for cotton and preparation method thereof |
| CN115700239A (en) * | 2022-11-25 | 2023-02-07 | 北京地乐福生物技术开发中心 | Fertilizer synergist and preparation method thereof |
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