CN114230396A - Liquid fertilizer containing fish protein and preparation method thereof - Google Patents
Liquid fertilizer containing fish protein and preparation method thereof Download PDFInfo
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- CN114230396A CN114230396A CN202111576187.6A CN202111576187A CN114230396A CN 114230396 A CN114230396 A CN 114230396A CN 202111576187 A CN202111576187 A CN 202111576187A CN 114230396 A CN114230396 A CN 114230396A
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- fertilizer
- liquid
- fish protein
- liquid fertilizer
- preparation
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 175
- 239000007788 liquid Substances 0.000 title claims abstract description 124
- 108010028690 Fish Proteins Proteins 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 241001474374 Blennius Species 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 23
- 235000015097 nutrients Nutrition 0.000 claims abstract description 21
- 239000000375 suspending agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000011573 trace mineral Substances 0.000 claims description 17
- 235000013619 trace mineral Nutrition 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000000230 xanthan gum Substances 0.000 claims description 13
- 229920001285 xanthan gum Polymers 0.000 claims description 13
- 235000010493 xanthan gum Nutrition 0.000 claims description 13
- 229940082509 xanthan gum Drugs 0.000 claims description 13
- 239000011701 zinc Substances 0.000 claims description 8
- 241000251468 Actinopterygii Species 0.000 claims description 7
- 108010020346 Polyglutamic Acid Proteins 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000011572 manganese Substances 0.000 claims description 7
- 229920002643 polyglutamic acid Polymers 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 5
- 239000002686 phosphate fertilizer Substances 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- 238000000855 fermentation Methods 0.000 claims description 4
- 230000004151 fermentation Effects 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 2
- 239000000413 hydrolysate Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 36
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 239000013543 active substance Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 235000021049 nutrient content Nutrition 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 10
- 150000003384 small molecules Chemical class 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 8
- 230000012010 growth Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 244000005700 microbiome Species 0.000 description 6
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 4
- 235000002566 Capsicum Nutrition 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 4
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 229910021538 borax Inorganic materials 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 230000035558 fertility Effects 0.000 description 4
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 4
- ISPYRSDWRDQNSW-UHFFFAOYSA-L manganese(II) sulfate monohydrate Chemical compound O.[Mn+2].[O-]S([O-])(=O)=O ISPYRSDWRDQNSW-UHFFFAOYSA-L 0.000 description 4
- 235000019837 monoammonium phosphate Nutrition 0.000 description 4
- 239000006012 monoammonium phosphate Substances 0.000 description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 4
- 229910052939 potassium sulfate Inorganic materials 0.000 description 4
- 235000011151 potassium sulphates Nutrition 0.000 description 4
- 239000004328 sodium tetraborate Substances 0.000 description 4
- 235000010339 sodium tetraborate Nutrition 0.000 description 4
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 description 4
- 239000006002 Pepper Substances 0.000 description 3
- 241000722363 Piper Species 0.000 description 3
- 235000016761 Piper aduncum Nutrition 0.000 description 3
- 235000017804 Piper guineense Nutrition 0.000 description 3
- 235000008184 Piper nigrum Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 108090000765 processed proteins & peptides Proteins 0.000 description 3
- 102000004196 processed proteins & peptides Human genes 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000783 alginic acid Substances 0.000 description 2
- 235000010443 alginic acid Nutrition 0.000 description 2
- 229920000615 alginic acid Polymers 0.000 description 2
- 229960001126 alginic acid Drugs 0.000 description 2
- 150000004781 alginic acids Chemical class 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 235000021190 leftovers Nutrition 0.000 description 2
- 229920001184 polypeptide Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 150000004804 polysaccharides Chemical class 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000002688 soil aggregate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
- 239000004114 Ammonium polyphosphate Substances 0.000 description 1
- 241000512259 Ascophyllum nodosum Species 0.000 description 1
- 229930192334 Auxin Natural products 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 229930191978 Gibberellin Natural products 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000758706 Piperaceae Species 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 235000014327 Sedum acre Nutrition 0.000 description 1
- 240000005319 Sedum acre Species 0.000 description 1
- 241000196252 Ulva Species 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 1
- 229920001276 ammonium polyphosphate Polymers 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000004062 cytokinin Substances 0.000 description 1
- UQHKFADEQIVWID-UHFFFAOYSA-N cytokinin Natural products C1=NC=2C(NCC=C(CO)C)=NC=NC=2N1C1CC(O)C(CO)O1 UQHKFADEQIVWID-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 1
- 239000003448 gibberellin Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229920002674 hyaluronan Polymers 0.000 description 1
- 229960003160 hyaluronic acid Drugs 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002366 mineral element Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000013557 nattō Nutrition 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000009894 physiological stress Effects 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000003531 protein hydrolysate Substances 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 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
-
- 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
- C05G3/80—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
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Plant Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of fertilizers, and discloses a liquid fertilizer containing fish protein and a preparation method thereof, wherein the liquid fertilizer comprises the following components in percentage by weight: 35-40% of macroelement fertilizer, 0.5-1% of microelement fertilizer, 5-10% of water-soluble micromolecule organic carbon, 1-3% of fish protein liquid, 0.5-1% of seaweed liquid, 0.1-0.3% of suspending agent and 0.1-0.3% of synergist. The liquid fertilizer containing the fish protein provided by the invention has rich nutrient elements and active substances and high nutrient content, can effectively improve the fertilizer efficiency of the fertilizer and effectively solve the problem of soil hardening through the synergistic effect of the content components, and can be effectively absorbed and utilized by crops to promote the yield and income of the crops. The preparation method of the liquid fertilizer provided by the invention is simple to operate, the process conditions are easy to control, the preparation efficiency of the fertilizer can be effectively improved, the production energy consumption is low, the raw material source price is low, and the production cost of the liquid fertilizer containing the fish protein can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a liquid fertilizer containing fish protein and a preparation method thereof.
Background
At present, the forms of commercial fertilizers in China are basically only two types: i.e. solid and liquid. Among them, liquid fertilizers are more and more concerned because of their rich nutrient elements, easy compounding, direct absorption by crops, convenient application, reduced manpower and material resource consumption, etc. The fertilizer containing the fish protein is rich in organic matters, fish protein, polypeptide and the like, can greatly increase the content of the organic matters in the soil after being applied to the soil, can rapidly promote the propagation of soil microorganisms, activates the nutrients of the soil to a great extent, increases the fertility of the soil, improves the fertilizer and water retention capacity of the soil, can effectively improve the soil hardening problem by using the fish protein fertilizer, and keeps the fertility of the soil new.
However, the existing fish protein-containing liquid fertilizer has the disadvantages of single organic synergistic source, high price, large investment of production equipment, complex process and high cost, so that how to better apply the fish protein synergistic technology to the high-concentration liquid fertilizer is a problem to be solved in the field.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a macroelement liquid fertilizer containing fish protein and a preparation method thereof, so as to solve the problems of single organic synergistic source, high price, large investment in production equipment, complex process and high cost of the conventional liquid fertilizer containing fish protein.
In order to achieve the above object, according to one aspect of the present invention, there is provided a liquid fertilizer containing fish protein, the liquid fertilizer comprising the following components by weight:
preferably, the balance of the liquid fertilizer is water.
Preferably, the macroelement fertilizer comprises at least one of a nitrogen fertilizer, a potassium fertilizer and a phosphate fertilizer, and the total nutrient concentration of the macroelement fertilizer is more than or equal to 400 g/L.
Preferably, the trace element fertilizer comprises at least one of boron fertilizer, zinc fertilizer, manganese fertilizer and iron fertilizer.
Preferably, the fish protein liquid is from a residual decomposing liquid of marine fishes.
Preferably, the seaweed liquid is derived from a biological fermentation broth of deep sea seaweed.
Preferably, the suspending agent is xanthan gum.
Preferably, the synergist comprises at least one of polyglutamic acid and DA-6.
The liquid fertilizer provided by the invention takes the macroelement fertilizer as the basic fertilizer, and the microelement fertilizer is added into the basic fertilizer, so that the yield and the quality of crops are improved; the added fish protein liquid and seaweed liquid have low source price, high active substance content and rich varieties, can meet various substances required by crops, enhance the physiological function and stress resistance of the crops, simultaneously can ensure that beneficial microorganisms in soil can be rapidly propagated, optimize the soil structure and improve the soil ecology, thereby changing the form of nutrient elements which are difficult to utilize in the soil into the form of utilizable nutrient elements and enhancing the soil fertility; water-soluble micromolecular organic carbon is added into the fertilizer, so that carbon nutrients required by crops can be provided, and the carbon nutrients can be directly absorbed and utilized by plant roots and soil microorganisms, so that the growth of the plant roots can be promoted, and the soil can be improved; the suspending agent can improve the suspending capacity of fertilizer nutrients, prevent the fertilizer nutrients from precipitating and layering and keep the product stable; the synergist can be complexed with the large trace elements, so that the large trace elements can be more effectively absorbed and utilized by crops, and the growth of the crops is promoted. Through the balanced proportion of the components, particularly the addition of the fish protein liquid and the seaweed liquid, the fertilizer efficiency of the liquid fertilizer containing the fish protein can be effectively improved, the soil hardening problem can be effectively improved, and the yield and income of crops can be increased.
In another aspect of the present invention, there is provided a method for preparing a liquid fertilizer containing fish protein, wherein the method for preparing the liquid fertilizer comprises the following steps:
putting a trace element fertilizer, a fish protein liquid, a seaweed liquid and a water-soluble micromolecular organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out a complex reaction, and stirring for 20-60 minutes;
and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring for 20-40 minutes to obtain the liquid fertilizer.
Preferably, the stirring speed of the suspending agent, the synergist and the macroelement fertilizer added into the reaction kettle is 150-200 r/min.
The preparation method of the liquid fertilizer containing the fish protein, provided by the invention, is simple to operate, easy to control process conditions, mild in conditions, and capable of effectively ensuring the stable performance of the prepared liquid fertilizer and effectively improving the preparation efficiency of the fertilizer; the production energy consumption is low, the raw material source price is low, and the production cost of the liquid fertilizer containing the fish protein can be effectively reduced; in addition, the fertilizer product prepared by the invention is stable, no flatulence layering is generated, and the activity of fish protein and alginic acid in the product is high.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It can be understood that the nitrogen fertilizer in the macroelement fertilizer is calculated by N, and the phosphate fertilizer is calculated by P2O5Calculated, K is used as potash fertilizer2Calculating O; the boron fertilizer in the microelement fertilizer related by the invention is calculated by B, the zinc fertilizer is calculated by Zn, the manganese fertilizer is calculated by Mn, and the iron fertilizer is calculated by Fe.
The weight of each component mentioned in the description of the embodiment of the present invention may not only refer to the specific content of each component, but also represent the proportional relationship of the weight of each component, and therefore, it is within the scope of the disclosure of the description of the embodiment of the present invention to scale up or down the content of each component according to the description of the embodiment of the present invention. Specifically, the weight described in the description of the embodiments of the present invention may be a unit of weight known in the chemical industry, such as μ g, mg, g, and kg.
In one aspect, the embodiment of the invention provides a liquid fertilizer containing fish protein, which comprises the following components in percentage by weight:
in some embodiments, the balance of the liquid fertilizer is water.
In some embodiments, the macroelement fertilizer comprises at least one of a nitrogen fertilizer, a potassium fertilizer, and a phosphate fertilizer, and the total nutrient concentration of the macroelement fertilizer is greater than or equal to 400 g/L. Preferably, the nitrogen fertilizer is selected from at least one of urea, ammonium nitrate and ammonium sulfate; the phosphate fertilizer is selected from at least one of monoammonium phosphate, diammonium phosphate and ammonium polyphosphate; the potassium fertilizer is at least one of potassium sulfate, potassium chloride and potassium dihydrogen phosphate.
In some embodiments, the trace element fertilizer comprises at least one of a boron fertilizer, a zinc fertilizer, a manganese fertilizer, and an iron fertilizer. Preferably, the microelement fertilizer comprises 0.2% -0.3% of boron fertilizer, 0.1% -0.3% of zinc fertilizer, 0.1% -0.2% of manganese fertilizer and 0.1% -0.2% of iron fertilizer. Further, the boron fertilizer is selected from at least one of borax and boric acid; the zinc fertilizer is at least one of zinc sulfate, zinc oxide, zinc chloride and zinc carbonate; the manganese fertilizer is selected from at least one of manganese sulfate and manganese nitrate; the iron fertilizer is at least one of ferrous sulfate and ferrous chloride.
It can be understood that the liquid fertilizer provided by the invention can also comprise medium elements, and the medium elements can be matched with the liquid fertilizer for use according to the growth stage of crops and the growth quality requirements of the crops.
In some embodiments, the water-soluble small molecule organic carbon refers to a small molecule organic carbon with a molecular weight of less than 1000, and includes alkanes, fats, saccharides, acids, aldehydes, and other components, the form of the water-soluble small molecule organic carbon can be liquid or solid, and the particle size of the water-soluble small molecule organic carbon is between 500 and 1000 nanometers. The water-soluble small molecular organic carbon has active functional groups such as carboxyl, hydroxyl or amino, and the like, and the functional groups have good coordination (complexation) function, so that the coordination (complexation) function improves the activity of the large and trace elements, and the large and trace elements can be effectively absorbed and utilized by crops. The water-soluble small-molecule organic carbon has small molecular weight and small particle size, can be dissolved in water and can be quickly absorbed and utilized by plant roots and soil microorganisms, so that the water-soluble small-molecule organic carbon has the effects of promoting the growth of the roots, improving the soil, enhancing the photosynthesis of plants, improving the utilization rate of chemical fertilizers and the like.
In some embodiments, the fish protein fluid is from a residual hydrolysate of marine fish. It can be understood that marine fishes in China are abundant in product, a large amount of leftovers such as fish skin, fish viscera, fish bones and the like can be generated during marine product processing, and the leftovers can be collected and subjected to enzymolysis, acidolysis and other technological processes to prepare the fish protein hydrolysate. The fish protein decomposition liquid has low source price, and can greatly reduce the preparation cost of the liquid fertilizer containing fish protein.
The fish protein liquid is rich in active nutrient substances such as organic matters, small molecular peptides, amino acids and the like and various mineral elements, has various amino acids, can be complexed with trace elements such as zinc, iron and the like in the production process of liquid fertilizer, forms a polypeptide complex with high biological activity, can directly enter the plant body without consuming energy, can improve the absorption and utilization rate of the trace elements, can enable crops to bloom and bear fruits early in the early growth stage, can keep vitality in the later growth stage and resist premature senility; meanwhile, beneficial microorganisms in the soil are rapidly propagated by taking organic substances such as fish protein and the like as carriers, the activity can be improved by more than ten times, the soil structure can be optimized, the fertilizer and water retention capacity of the soil can be obviously improved, and if the beneficial microorganisms are continuously used, the soil can become loose and fertile, the soil ecology can be improved, the soil fertility can be increased, the soil hardening can be improved, and the like.
In some embodiments, the algal liquid is from a biological fermentation broth of deep sea marine algae. As can be understood, China also has a large amount of seaweed resources, and the seaweed is low in price as a low-value marine organism resource. Preferably, the seaweed liquid raw material is one or two of marine brown seaweed kelp, green alga enteromorpha and the like, and the seaweed degradation liquid is prepared by carrying out enzymolysis and acidolysis on the raw material, filtering and removing slag. The seaweed liquid contains various natural plant growth regulators such as auxin, cytokinin substances, gibberellin and the like, has high biological activity, has the ratio of various substances similar to that of terrestrial plants, is in an active state which is easily absorbed by the plants after being treated, and has high absorption and conduction speed.
In some embodiments, the suspending agent is preferably xanthan gum. The xanthan gum sol molecule can form a super-bonding banded spiral copolymer to form a fragile gel-like network structure, so that the form of solid particles, liquid drops and bubbles can be supported, and the emulsion stabilizer has strong emulsification stability and high suspension capacity. The xanthan gum can improve the suspension capacity of fertilizer nutrients and prevent the fertilizer nutrients from precipitating and layering, and is also a polysaccharide, when the xanthan gum is used for liquid fertilizers, after other nutrient components are absorbed and utilized by crops, the xanthan gum serving as the polysaccharide can be decomposed and absorbed and utilized again by the crops to activate the nutrient components of soil.
In some embodiments, the potentiator comprises at least one of polyglutamic acid, DA-6. The synergist can promote the absorption and utilization of available nutrients by plants. Wherein, the polyglutamic acid is a biological macromolecule which is water-soluble, biodegradable, non-toxic and prepared by a microbial fermentation method. Polyglutamic acid is a viscous substance, and is found for the first time in natto (fermented soybean), and the moisturizing and water locking effects of the polyglutamic acid are 500 times of those of hyaluronic acid. The polyglutamic acid can chelate a part of major and minor trace elements, can further improve the absorption efficiency of the major and minor trace elements, and can condition soil, loosen the soil and keep the moisture of the soil at the same time, thereby providing a good environment for root systems to absorb nutrition.
The liquid fertilizer provided by the invention has rich nutrient elements and active substances and high nutrient content, can effectively improve the fertilizer efficiency of the liquid fertilizer containing the fish protein through the synergistic effect of the content components and proper proportion, effectively improves the soil hardening problem, can be effectively absorbed and utilized by crops, and promotes the yield and income increase of the crops.
On the other hand, on the basis of the liquid fertilizer, the embodiment of the invention also provides a preparation method of the liquid fertilizer containing the fish protein, and the preparation method of the liquid fertilizer comprises the following steps:
putting a trace element fertilizer, a fish protein liquid, a seaweed liquid and a water-soluble micromolecular organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out a complex reaction, and stirring for 20-60 minutes;
and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring for 20-40 minutes to obtain the liquid fertilizer.
In some embodiments, the stirring speed after the suspending agent, the synergist and the macroelement fertilizer are added into the reaction kettle is 150-200 r/min.
The preparation method of the liquid fertilizer containing the fish protein, provided by the invention, is simple to operate, easy to control process conditions, mild in conditions, and capable of effectively ensuring the stable performance of the prepared liquid fertilizer and effectively improving the preparation efficiency of the fertilizer; the production energy consumption is low, the raw material source price is low, and the production cost of the liquid fertilizer containing the fish protein can be effectively reduced; in addition, the fertilizer product prepared by the invention is stable, no flatulence layering is generated, and the activity of fish protein and alginic acid in the product is high.
The liquid fertilizer containing fish protein and the preparation method thereof provided by the present invention will be further described in detail with reference to the following specific examples.
Example 1
The embodiment 1 of the invention provides a liquid fertilizer containing fish protein and a preparation method thereof, wherein the liquid fertilizer comprises the following components in percentage by weight:
a macroelement fertilizer: 17.5 percent of urea, 21 percent of ammonium nitrate, 11.6 percent of industrial monoammonium phosphate and 21.2 percent of potassium sulfate;
trace element fertilizer: 1.9 percent of borax, 1 percent of zinc sulfate heptahydrate, 0.3 percent of manganese sulfate monohydrate and 0.5 percent of ferrous sulfate heptahydrate;
water-soluble small-molecule organic carbon: 10 percent;
fish protein liquid: 3 percent;
seaweed solution: 1 percent;
xanthan gum: 0.2 percent;
DA-6：0.3％；
water: 10.5 percent.
The preparation method of the liquid fertilizer comprises the following steps:
s11: putting the microelement fertilizer, the fish protein liquid, the seaweed liquid and the water-soluble micromolecule organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out complex reaction, and stirring for 30 minutes;
s12: and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring at the stirring speed of 150-200 rpm for 30 minutes to obtain the liquid fertilizer.
Example 2
The embodiment 2 of the invention provides a liquid fertilizer containing fish protein and a preparation method thereof, wherein the liquid fertilizer comprises the following components in percentage by weight:
a macroelement fertilizer: 17.5 percent of urea, 21 percent of ammonium nitrate, 11.6 percent of industrial monoammonium phosphate and 21.2 percent of potassium sulfate;
trace element fertilizer: 1.9 percent of borax, 1 percent of zinc sulfate heptahydrate, 0.3 percent of manganese sulfate monohydrate and 0.5 percent of ferrous sulfate heptahydrate;
water-soluble small-molecule organic carbon: 8 percent;
fish protein liquid: 2 percent;
seaweed solution: 0.8 percent;
xanthan gum: 0.2 percent;
DA-6：0.3％；
water: 13.7 percent.
The preparation method of the liquid fertilizer comprises the following steps:
s11: putting the microelement fertilizer, the fish protein liquid, the seaweed liquid and the water-soluble micromolecule organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out complex reaction, and stirring for 30 minutes;
s12: and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring at the stirring speed of 150-200 rpm for 30 minutes to obtain the liquid fertilizer.
Example 3
The embodiment 3 of the invention provides a liquid fertilizer containing fish protein and a preparation method thereof, wherein the liquid fertilizer comprises the following components in percentage by weight:
a macroelement fertilizer: 17.5 percent of urea, 21 percent of ammonium nitrate, 11.6 percent of industrial monoammonium phosphate and 21.2 percent of potassium sulfate;
trace element fertilizer: 1.9 percent of borax, 1 percent of zinc sulfate heptahydrate, 0.3 percent of manganese sulfate monohydrate and 0.5 percent of ferrous sulfate heptahydrate;
water-soluble small-molecule organic carbon: 5 percent;
fish protein liquid: 1 percent;
seaweed solution: 0.5 percent;
xanthan gum: 0.2 percent;
DA-6：0.3％；
water: 18.0 percent.
The preparation method of the liquid fertilizer comprises the following steps:
s11: putting the microelement fertilizer, the fish protein liquid, the seaweed liquid and the water-soluble micromolecule organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out complex reaction, and stirring for 30 minutes;
s12: and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring at the stirring speed of 150-200 rpm for 30 minutes to obtain the liquid fertilizer.
Comparative example 1
Comparative example 1 for comparative illustration of the fish protein-containing liquid fertilizer and the preparation method thereof provided by the present invention, comprising most of the operating steps as in example 1, except that: the liquid fertilizer component contains 5% of water-soluble micromolecular organic carbon, 3% of fish protein liquid, 0% of seaweed liquid, 0.2% of xanthan gum, 0.3% of DA-6 and 16.5% of water.
Comparative example 2
Comparative example 2 is a comparative illustration of the fish protein-containing liquid fertilizer and the preparation method thereof according to the present invention, which includes most of the operating steps as in example 1, except that: the liquid fertilizer component contains 5% of water-soluble micromolecular organic carbon, 0% of fish protein liquid, 1% of seaweed liquid, 0.2% of xanthan gum, 0.3% of DA-6 and 18.5% of water.
Comparative example 3
Comparative example 3 is a comparative illustration of the fish protein-containing liquid fertilizer and the preparation method thereof according to the present invention, which includes most of the operating steps as in example 1, except that: the liquid fertilizer component contains 5% of water-soluble micromolecular organic carbon, 0% of fish protein liquid, 0% of seaweed liquid, 0.2% of xanthan gum, 0.3% of DA-6 and 19.5% of water.
Corresponding test
The liquid fertilizers prepared in the above examples 1 to 3 and comparative examples 1 to 3 were applied to crop peppers, seven treatment groups were set, treatment 1: applying clear water; and (3) treatment 2: applying the fertilizer provided in example 1; and (3) treatment: applying the fertilizer provided in example 2; and (4) treatment: applying the fertilizer provided in example 3; and (4) treatment 5: applying the fertilizer provided in comparative example 1; and (6) treatment: applying the fertilizer provided in comparative example 2; and (7) treatment: the fertilizer provided in comparative example 3 was applied. The same management is used for all processing groups.
The root weight of the crop pepper, the individual fruit weight of the pepper and the granular structure of the pepper soil were measured at the time of harvest, and the data of each lifting rate of comparative treatment 1 are shown in table 1.
TABLE 1
| Treatment group | Root weight increase rate | Single fruit weight gain | Soil aggregate structure lift rate |
| Process 1 | 0％ | 0％ | 0％ |
| Treatment 2 | 15.6％ | 18.9％ | 13.4％ |
| Treatment 3 | 12.3％ | 15.4％ | 12.3％ |
| Treatment 4 | 10.2％ | 12.7％ | 10.8％ |
| Treatment 5 | 6.5％ | 8.4％ | 6.7％ |
| Treatment 6 | 4.6％ | 5.3％ | 4.8％ |
| Treatment 7 | 2.5％ | 2.6％ | 2.8％ |
As can be seen from table 1, the application of the liquid fertilizer prepared in embodiments 1 to 3 of the present invention can promote the root growth of pepper crops, promote the absorption of the crops on fertilizer nutrients, further increase the yield of the crops, improve the soil granular structure, improve the soil hardening problem, increase the fertilizer and water retention capacity of the soil, and further increase the yield and quality of the crops. From the result data of processing 1-7, it can be seen that changing the components or the dosage thereof has a certain influence on the root weight, the single fruit weight and the improvement of the soil aggregate structure, and the effect of applying the liquid fertilizer prepared in the embodiments 1-3 of the invention is obviously better than the effect of applying the liquid fertilizer prepared in the comparative examples 1-3. Therefore, the liquid fertilizer formula provided by the embodiment of the invention has high activity and rich nutrients, is more beneficial to crops to absorb and utilize, and can improve the soil problem; meanwhile, the preparation method of the fish protein-containing liquid fertilizer provided by the embodiment of the invention is simple, high in preparation efficiency and low in production cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A liquid fertilizer containing fish protein is characterized by comprising the following components in percentage by weight:
2. the liquid fish protein-containing fertilizer according to claim 1, wherein the balance of the liquid fertilizer is water.
3. The fish protein-containing liquid fertilizer of claim 1, wherein the macroelement fertilizer comprises at least one of a nitrogen fertilizer, a potassium fertilizer and a phosphate fertilizer, and the macroelement fertilizer has a total nutrient concentration of 400g/L or more.
4. The liquid fish protein-containing fertilizer according to claim 1, wherein the trace element fertilizer comprises at least one of a boron fertilizer, a zinc fertilizer, a manganese fertilizer and an iron fertilizer.
5. The liquid fertilizer containing fish protein of claim 1, wherein the liquid fish protein is derived from a residual hydrolysate of marine fish.
6. The fish protein-containing liquid fertilizer according to claim 1, wherein the seaweed liquid is obtained from a biological fermentation broth of deep sea marine algae.
7. The liquid fish protein-containing fertilizer according to claim 1, wherein the suspending agent is xanthan gum.
8. The liquid fish protein-containing fertilizer according to claim 1, wherein the synergist comprises at least one of polyglutamic acid and DA-6.
9. A preparation method of a liquid fertilizer containing fish protein, which is characterized by adopting the components in percentage by weight as set forth in any one of claims 1-8, and comprises the following steps:
putting a trace element fertilizer, a fish protein liquid, a seaweed liquid and a water-soluble micromolecular organic carbon liquid into a reaction kettle, adding water, controlling the temperature to be 50-60 ℃ to carry out a complex reaction, and stirring for 20-60 minutes;
and mixing the suspending agent, the synergist and the macroelement fertilizer, adding the mixture into the reaction kettle for reaction, absorbing the waste heat of the reaction in the previous step, and stirring for 20-40 minutes to obtain the liquid fertilizer.
10. The method for preparing a liquid fertilizer containing fish protein according to claim 9, wherein the stirring speed after the suspending agent, the synergist and the macroelement fertilizer are added into the reaction kettle is 150-200 rpm.
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