CN114213183A - Fertilizer and preparation method and application thereof - Google Patents
Fertilizer and preparation method and application thereof Download PDFInfo
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- CN114213183A CN114213183A CN202210007355.8A CN202210007355A CN114213183A CN 114213183 A CN114213183 A CN 114213183A CN 202210007355 A CN202210007355 A CN 202210007355A CN 114213183 A CN114213183 A CN 114213183A
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- potassium
- resistant agent
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 32
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 25
- 239000011707 mineral Substances 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 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 claims abstract description 23
- 239000004021 humic acid Substances 0.000 claims abstract description 23
- 239000005648 plant growth regulator Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 24
- 235000010755 mineral Nutrition 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 20
- 108010028690 Fish Proteins Proteins 0.000 claims description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 19
- 239000011591 potassium Substances 0.000 claims description 19
- 229910052700 potassium Inorganic materials 0.000 claims description 19
- 229920000805 Polyaspartic acid Polymers 0.000 claims description 18
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- 229920001542 oligosaccharide Polymers 0.000 claims description 18
- 108010064470 polyaspartate Proteins 0.000 claims description 18
- 235000002566 Capsicum Nutrition 0.000 claims description 15
- 235000010443 alginic acid Nutrition 0.000 claims description 14
- 229920000615 alginic acid Polymers 0.000 claims description 14
- -1 photosensin Chemical compound 0.000 claims description 14
- 229940072056 alginate Drugs 0.000 claims description 13
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 12
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 12
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 12
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 12
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 11
- 229960004889 salicylic acid Drugs 0.000 claims description 11
- 239000006002 Pepper Substances 0.000 claims description 10
- 241000722363 Piper Species 0.000 claims description 10
- 235000016761 Piper aduncum Nutrition 0.000 claims description 10
- 235000017804 Piper guineense Nutrition 0.000 claims description 10
- 235000008184 Piper nigrum Nutrition 0.000 claims description 10
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 9
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 9
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 9
- 239000006012 monoammonium phosphate Substances 0.000 claims description 9
- 239000001103 potassium chloride Substances 0.000 claims description 9
- 235000011164 potassium chloride Nutrition 0.000 claims description 9
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 9
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 9
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 9
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 9
- 235000011151 potassium sulphates Nutrition 0.000 claims description 9
- CJUUXVFWKYRHAR-UHFFFAOYSA-M 1-Naphthaleneacetic acid sodium salt Chemical compound [Na+].C1=CC=C2C(CC(=O)[O-])=CC=CC2=C1 CJUUXVFWKYRHAR-UHFFFAOYSA-M 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 230000004720 fertilization Effects 0.000 claims description 7
- 239000004323 potassium nitrate Substances 0.000 claims description 6
- 235000010333 potassium nitrate Nutrition 0.000 claims description 6
- 241000199919 Phaeophyceae Species 0.000 claims description 5
- 150000002482 oligosaccharides Chemical class 0.000 claims description 5
- UIGKOBGQTLLQBZ-UHFFFAOYSA-O tetraazanium;nitrate;phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-][N+]([O-])=O.[O-]P([O-])([O-])=O UIGKOBGQTLLQBZ-UHFFFAOYSA-O 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000003630 growth substance Substances 0.000 claims description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 3
- 238000003973 irrigation Methods 0.000 claims description 3
- 230000002262 irrigation Effects 0.000 claims description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 7
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- 238000012360 testing method Methods 0.000 description 31
- 239000002689 soil Substances 0.000 description 14
- 230000002595 cold damage Effects 0.000 description 11
- 230000006378 damage Effects 0.000 description 10
- 230000012010 growth Effects 0.000 description 8
- 235000015097 nutrients Nutrition 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 7
- 235000013399 edible fruits Nutrition 0.000 description 7
- 239000000411 inducer Substances 0.000 description 7
- 230000000243 photosynthetic effect Effects 0.000 description 7
- 230000001737 promoting effect Effects 0.000 description 7
- 241000758706 Piperaceae Species 0.000 description 5
- LQXZLHKVIRVBTC-UHFFFAOYSA-O [N+](=O)([O-])[O-].[NH4+].[P] Chemical compound [N+](=O)([O-])[O-].[NH4+].[P] LQXZLHKVIRVBTC-UHFFFAOYSA-O 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- 230000006870 function Effects 0.000 description 4
- 230000008635 plant growth Effects 0.000 description 4
- 150000003384 small molecules Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 208000009084 Cold Injury Diseases 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 3
- 229930002875 chlorophyll Natural products 0.000 description 3
- 235000019804 chlorophyll Nutrition 0.000 description 3
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 3
- 210000001723 extracellular space Anatomy 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
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- 239000012528 membrane Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
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- 125000000524 functional group Chemical group 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002366 mineral element Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000002568 Capsicum frutescens Nutrition 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- 240000008067 Cucumis sativus Species 0.000 description 1
- 235000009849 Cucumis sativus Nutrition 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 206010015866 Extravasation Diseases 0.000 description 1
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 238000013400 design of experiment Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 235000020774 essential nutrients Nutrition 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000009746 freeze damage Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
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- 238000003306 harvesting Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 150000007965 phenolic acids Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000008654 plant damage Effects 0.000 description 1
- 230000008121 plant development Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 230000002786 root growth Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B5/00—Thomas phosphate; Other slag phosphates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- 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
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a fertilizer and a preparation method and application thereof. The fertilizer improves the utilization rate of major elements, reduces the dosage of the major elements and reduces the cost by adding mineral humic acid, micromolecular organic carbon, a cold-resistant agent and a plant growth regulator and utilizing the synergistic effect among the components. Meanwhile, the introduction of a small amount of cold-resistant agent and a small amount of plant growth regulator can achieve the effects of improving the cold resistance of plants and increasing the yield of the plants. The preparation method of the fertilizer can be used for preparing the fertilizer by directly mixing and uniformly stirring the components, has simple process, is suitable for batch production, greatly reduces the production cost and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a fertilizer and a preparation method and application thereof.
Background
The low temperature often causes the plants to be damaged to different degrees, and the plants can be seriously killed. According to different degrees of low temperature, the damage conditions of plants include two categories of freezing injury and cold injury. The freeze injury is the freezing of the plant body when the temperature is reduced to below 0 ℃. The cold injury refers to the damage of the low temperature above 0 ℃ to the temperature-favored plants.
The most common freezing injury encountered in agricultural production is frost. Generally, the larger the cooling amplitude is, the longer the frost lasts, and the more serious the plant damage is. When the temperature is gradually reduced, the plants have a suitable process, and the harm is light; and sudden temperature reduction damage is serious. When the temperature is slowly reduced to below 0 ℃, the intercellular space solution of the crop tissue is firstly frozen in the extracellular space due to the concentration of the intercellular space solution being lower than that of the cellular liquid, and the water in the cells can be gradually deprived, so that the cells are dehydrated and the cellular liquid is thickened; and the sudden temperature reduction can directly form ice crystals in cells, thereby causing mechanical damage to plants. The thawing process is also slow temperature rise, so that sudden evaporation of water can be reduced for plants, and frost damage is reduced.
For cold damage, the cold damage can reduce the viability of cellular protoplasm and retard the growth of plants under the conditions of light low temperature and short time. And the low temperature lasts too long, the physiological function of the plants is weakened, and the serious yield reduction is finally caused.
The traditional humic acid fertilizer has the advantages of promoting plant growth, improving crop yield, improving soil structure and adjusting soil pH value, but cannot improve the negative effect of low-temperature damage on plants, and has single organic synergistic source and complex production process. The traditional fertilizer capable of improving the cold resistance of plants is complex in preparation process and high in raw material cost.
Disclosure of Invention
Based on the above, there is a need for a humic acid-containing fertilizer with simple production process, which can improve the cold resistance of plants, so as to reduce the damage of low temperature to plants and improve the yield of plants.
In addition, an application of the fertilizer in pepper planting and a preparation method thereof are also provided.
A fertilizer comprises the following components in parts by weight:
wherein the cold-resistant agent is at least one selected from brown algae oligosaccharide, fish protein powder and polyaspartic acid.
The fertilizer improves the utilization rate of major elements, reduces the dosage of the major elements and reduces the cost by adding mineral humic acid, micromolecular organic carbon, a cold-resistant agent and a plant growth regulator and utilizing the synergistic effect among the components. Meanwhile, the introduction of a small amount of cold-resistant agent and a small amount of plant growth regulator can achieve the effects of improving the cold resistance of plants and increasing the yield of the plants.
In one embodiment, the biological growth regulator comprises at least one of sodium naphthaleneacetate, a photosensin, and salicylic acid.
In one embodiment, the macroelements comprise a nitrogen source, a phosphorous source, and a potassium source; wherein the nitrogen source is at least one selected from urea, ammonium nitrate, ammonium phosphate nitrate, ammonium sulfate and potassium nitrate; the phosphorus source is at least one of industrial monoammonium phosphate, monopotassium phosphate and ammonium polyphosphate; the potassium source is at least one selected from potassium sulfate, potassium chloride, potassium nitrate and potassium dihydrogen phosphate.
In one embodiment, the nitrogen, phosphorus and potassium elements in the macroelements account for more than 45% of the total mass of the fertilizer.
In one embodiment, the secondary elements include at least one of magnesium sulfate, EDTA-Ca, and EDTA-Mg.
In one embodiment, the fertilizer comprises the following components in parts by weight:
wherein the cold-resistant agent comprises alginate oligosaccharide, fish protein powder and polyaspartic acid.
The fertilizer in any one of the above embodiments is applied to pepper planting.
In one embodiment, the fertilizer is used in the seedling stage of the pepper, the irrigation and fertilization times are 3 times, the interval time is 5 days, and the fertilization amount is 75 kg/hectare to 120 kg/hectare each time.
A preparation method of a fertilizer comprises the following steps:
according to the mass parts, 40 to 60 parts of macroelements, 4 to 8 parts of mineral humic acid, 0.5 to 3 parts of micromolecular organic carbon, 0.5 to 3 parts of cold-resistant agent, 0.5 to 3 parts of plant growth regulator and 0 to 10 parts of magnesium sulfate are placed in a mixing stirrer to be stirred, and the fertilizer containing the humic acid is prepared, wherein the cold-resistant agent is at least one selected from brown algae oligosaccharide, fish protein powder and polyaspartic acid.
In one embodiment, the rate of agitation is from 70 revolutions per minute to 80 revolutions per minute.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
An embodiment of the application provides a fertilizer, and by weight, this fertilizer includes:
wherein the cold-resistant agent is at least one selected from brown algae oligosaccharide, fish protein powder and polyaspartic acid.
The fertilizer improves the utilization rate of major elements, reduces the dosage of the major elements and reduces the cost by adding mineral humic acid, micromolecular organic carbon, a cold-resistant agent and a plant growth regulator and utilizing the synergistic effect among the components. Meanwhile, the introduction of a small amount of cold-resistant agent and a small amount of plant growth regulator can achieve the effects of improving the cold resistance of plants and increasing the yield of the plants.
Specifically, the macroelement is N, P2O5And K2And O is calculated by an actual weighing element. In an alternative specific example, the mass part of the macroelement is 40 parts, 45 parts, 50 parts, 55 parts or 60 parts.
In some embodiments, the mineral humic acid is mineral potassium humate, which has high activity and low cost. It is understood that in other embodiments, other mineral sources of humic acid may be selected. The mineral humic acid is widely present in weathered coal, lignite and peat, is in a dark brown or bright black sheet, granule or powder shape, is easily soluble in water, mainly comprises fatty acid, phenolic acid, benzene polycarboxylic acid and other components, and has relatively fixed components and small difference. In some embodiments, the mineral humic acid added in the fertilizer is selected from mineral humic acid which is not easy to chemically react with other components in the fertilizer, so that the stability and the efficacy of the fertilizer are ensured, the components of the fertilizer can be directly mixed, and the production process is simplified. Biochemical humic acid is less in benzene ring and basically carbon chain, has weaker stress resistance than mineral humic acid in complexing and synergistic effects with other components, and is easy to chemically react with other components in the fertilizer, so biochemical humic acid is not generally selected. In an optional specific example, the mineral humic acid is 4 parts, 5 parts, 6 parts, 7 parts or 8 parts by mass.
Among the essential nutrients for plants, the essential element carbon accounts for 50% and then is the macroelement and the medium-trace element that we often refer to. Carbon not only accounts for more than 50% of the total plant nutrient, but also is a combination of other nutrient elements (carbon framework of plant organic tissues). Therefore, the relationship between carbon and other nutrient elements is not like the relationship between the large, medium and trace elements, but the relationship between carbon as the negative side and the relationship between mineral elements as the positive side. Therefore, the balance between yin and yang is large balance and main balance, and the balance between inorganic nutrients is small balance and secondary balance. The soil fertility is unbalanced in yin and yang, and the inorganic nutrient balance loses significance. That is, only after the carbon nutrition and mineral elements in the soil reach a relative balance, the mineral nutrition can be effectively absorbed and utilized by crops, and the surplus is useless. The carbon contained in soil organic matter is not a real carbon nutrient, but the carbon nutrient directly absorbed by plant roots and soil microorganisms must be water-soluble small-molecule organic carbon.
The micromolecular organic carbon has the molecular weight of less than 1000, has water solubility, comprises components such as alkanes, fats, saccharides, acids, aldehydes and the like, is obtained by processing a macromolecular substance containing organic carbon, degrades organic macromolecules in plant residues by hydrogen peroxide and acid under the action of ultrasonic waves, and filters supernate after the organic macromolecules are fully degraded to obtain the micromolecular water-soluble organic carbon, and the specific preparation steps are shown in patent documents (CN105367142A, a preparation method of the water-soluble organic carbon). The water-soluble small-molecule organic carbon has active functional groups such as carboxyl, hydroxyl or amino, the functional groups have good coordination (complexation) function, the coordination (complexation) function improves the activity of a large number of elements, and the water-soluble small-molecule organic carbon can improve the effectiveness of crops in absorbing nutrient components from soil by cooperating with mineral humic acid. The fertilizer has the advantages of small molecular weight, small particle size, water solubility, quick effect and capability of being directly absorbed and utilized by plant roots and soil microorganisms, thereby having the functions of promoting the growth of the roots, improving the soil, enhancing the photosynthesis of the plants, improving the utilization rate of the fertilizer and the like. In an alternative specific example, the mass part of the small molecule organic carbon is 0.5 parts, 1 part, 1.5 parts, 2 parts, 2.5 parts or 3 parts.
The fish protein powder is rich in protein, can increase the content of unsaturated fatty acid and proline in membrane lipid, can stabilize the membrane structure and improve photosynthesis and the like, thereby improving the cold resistance of plants; and the fish protein provides a large amount of nitrogen-containing organic matters for crops, is beneficial to enhancing the growth vigor of the crops and improving the cold resistance of the plants. In an optional specific example, the weight portion of the fish protein powder is 0.2 portion, 0.3 portion, 0.4 portion, 0.5 portion or 0.6 portion.
The alginate oligosaccharide is an oligomer of algin, has physicochemical properties of low molecular weight, strong water solubility, high stability, safety and no toxicity, and has good effects of promoting plant growth, enhancing plant stress resistance and inhibiting phytopathogen. In an alternative specific example, the brown alginate oligosaccharide is 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts or 0.6 parts by weight.
The polyaspartic acid is not a fertilizer, but has a chelating effect on metal ions, and the polyaspartic acid with certain molecular weight can enrich nitrogen, phosphorus, potassium and trace elements to supply to plants, so that the plants can utilize the fertilizer more effectively, and the yield and the quality of the plants are improved. The addition of polyaspartic acid can increase plant yield and improve soil quality. In an alternative embodiment, the polyaspartic acid is present in an amount of 0.2 parts, 0.4 parts, 0.7 parts, 1 part or 1.2 parts by mass.
In one embodiment, the biological growth regulator comprises at least one of sodium naphthaleneacetate, a photosensin, and salicylic acid.
Specifically, the sodium naphthalene acetate can rapidly promote cell division and expansion, induce the formation of adventitious roots, promote root growth, improve absorption efficiency and regulate metabolism, has the effects of regulating growth, promoting rooting, sprouting and flowering, preventing flower and fruit dropping, expanding fruits, forming seedless fruits, promoting precocity, preventing dropping, increasing color, increasing yield and the like, and can also enhance the drought resistance, cold resistance, disease resistance, salt and alkali resistance and dry and hot wind resistance of plants. In an alternative specific example, the sodium naphthylacetate is 0.1 part, 0.2 part, 0.3 part, 0.4 part or 0.5 part by mass.
Under the condition of low-temperature stress, salicylic acid can be accumulated in a hydrophobic region of a cell membrane, and a series of physiological and biochemical reactions related to the membrane are influenced. Exogenous salicylic acid can improve the germination rate, germination index and other activity indexes of rice seeds, which are related to that salicylic acid can improve the activity of amylase and protease in rice endosperm and the content of soluble sugar under the condition of low-temperature stress. The increase in the content of soluble substances brings about two effects: firstly, a sufficient substrate is provided for the synthesis and accumulation of new substances; secondly, the concentration of the solute in the cells is improved, the osmotic potential of the solute in the cells is reduced, the osmotic adjustment effect of the solute is improved, and the biophysical and biochemical changes, such as biomembrane phase change and electrolyte extravasation, brought to the cells by cold damage stress are relieved, so that the cold resistance is relatively improved. In an alternative embodiment, the salicylic acid is present in an amount of 0.1, 0.2, 0.3, 0.4 or 0.5 parts by weight.
The photosynthetic inducer has the functions of promoting cell protoplasm flow, improving cell activity, accelerating plant growth and development, promoting root and seedling, protecting flower and fruit, setting fruit and expanding, improving yield and enhancing stress resistance. In an alternative embodiment, the photosynthetic inducer is 0.1 part, 0.2 part, 0.3 part, 0.4 part or 0.5 part by weight.
In one embodiment, the macroelements comprise a nitrogen source, a phosphorous source, and a potassium source; wherein the nitrogen source is at least one selected from urea, ammonium nitrate, ammonium phosphate nitrate, ammonium sulfate and potassium nitrate; the phosphorus source is at least one of industrial monoammonium phosphate, monopotassium phosphate and ammonium polyphosphate; the potassium source is at least one selected from potassium sulfate, potassium chloride, potassium nitrate and potassium dihydrogen phosphate. In an alternative embodiment, the nitrogen source is present in an amount of 30 parts, 35 parts, 45 parts or 50 parts by weight. In an alternative embodiment, the phosphorus source is present in an amount of 10 parts, 15 parts, 20 parts, 25 parts, or 30 parts by weight. In an alternative embodiment, the potassium source is present in an amount of 10, 15, 20, 25 or 30 parts by weight.
In one embodiment, the nitrogen, phosphorus and potassium elements in the macroelements account for more than 45% of the total mass of the fertilizer.
In one embodiment, the secondary elements include at least one of magnesium sulfate, EDTA-Ca, and EDTA-Mg. In an alternative embodiment, the magnesium sulfate is present in an amount of 1 part, 2 parts, 3.2 parts, 3.4 parts, 4 parts, 5.5 parts, or 6 parts by weight. It is understood that in other embodiments, other sulfur, magnesium, or calcium containing materials may be selected for use as the secondary element.
Further, the fertilizer comprises the following components in parts by weight:
wherein the cold-resistant agent comprises alginate oligosaccharide, fish protein powder and polyaspartic acid.
Furthermore, the fertilizer comprises the following components in parts by weight:
wherein the cold-resistant agent comprises alginate oligosaccharide, fish protein powder and polyaspartic acid.
In addition, an embodiment of the application also provides an application of the fertilizer in any one of the above embodiments in pepper planting. It is understood that the fertilizer can also be applied to the planting of other plants (such as cucumbers), and the specific use method of the fertilizer is properly adjusted according to actual plants and actual growing environments.
In one embodiment, the fertilizer is used in the seedling stage of the pepper, the irrigation and fertilization times are 3 times, the interval time is 5 days, and the fertilization amount is 75 kg/hectare to 120 kg/hectare each time. It can be understood that the application times and the dosage of the fertilizer can be properly adjusted according to the actual growth condition and the cold damage degree of the plants.
In addition, an embodiment of the present application further provides a preparation method of the fertilizer, including the following steps:
according to the mass parts, 40 to 60 parts of macroelements, 4 to 8 parts of mineral humic acid, 0.5 to 3 parts of micromolecular organic carbon, 0.5 to 3 parts of cold-resistant agent, 0.5 to 3 parts of plant growth regulator and 0 to 10 parts of medium elements are placed in a mixing stirrer to be stirred to prepare the fertilizer, wherein the cold-resistant agent is selected from at least one of alginate oligosaccharides, fish protein powder and polyaspartic acid.
Further, in some embodiments, 45 to 55 parts of macroelements, 5 to 7 parts of mineral humic acid, 1 to 2 parts of small molecular organic carbon, 1 to 2 parts of cold-resistant agent, 0.5 to 1 part of plant growth regulator and 1 to 6 parts of medium elements are placed in a mixing stirrer to be stirred according to parts by mass, and the fertilizer containing the humic acid is prepared, wherein the cold-resistant agent comprises alginate oligosaccharides, fish protein powder and polyaspartic acid.
In one embodiment, the rate of agitation is from 70 revolutions per minute to 80 revolutions per minute.
The fertilizer is prepared by uniformly mixing and stirring all the components into powder, does not need traditional preparation processes such as granulation and the like, is simple in process, is suitable for batch production, greatly reduces the production cost, improves the production efficiency, is stable and does not cause caking and hardening because no reaction occurs among all the components of the fertilizer, and can be directly packaged after all indexes are qualified through subsequent detection. Meanwhile, the utilization rate of the macroelements can be improved through the matching of the components, so that the use amount of the macroelements is reduced, and the cost is further reduced. The dosage of the micromolecule organic carbon, mineral source humic acid, cold-resistant agent, plant growth regulator and medium element is lower, but the synergistic effect among other things enables the lower dosage to realize better cold-resistant and yield-increasing effects.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The following detailed description is given with reference to specific examples. The following examples are not specifically described, and other components except inevitable impurities are not included. Reagents and instruments used in the examples are all conventional in the art and are not specifically described. The experimental procedures, in which specific conditions are not indicated in the examples, were carried out according to conventional conditions, such as those described in the literature, in books, or as recommended by the manufacturer.
Example 1
According to the mass parts, 45 parts of ammonium nitrate phosphorus, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 2 parts of small molecular organic carbon, 0.5 part of alginate oligosaccharide, 0.5 part of fish protein powder, 1 part of polyaspartic acid, 0.3 part of sodium naphthaleneacetate, 0.3 part of photosynthetic inducer, 0.4 part of salicylic acid, 7 parts of mineral source potassium humate and 1 part of magnesium sulfate are put into a mixing stirrer together and fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 1.
Example 2
According to the mass percentage, 45 parts of ammonium nitrate phosphorus, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 1.5 parts of small molecular organic carbon, 0.4 part of alginate oligosaccharide, 0.4 part of fish protein powder, 0.7 part of polyaspartic acid, 0.2 part of sodium naphthaleneacetate, 0.2 part of photosynthetic inducer, 0.4 part of salicylic acid, 6 parts of mineral source potassium humate and 3.2 parts of magnesium sulfate are put into a mixing stirrer together and fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 2.
Example 3
According to the mass percentage, 45 parts of ammonium nitrate phosphorus, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 1 part of small molecular organic carbon, 0.3 part of alginate oligosaccharide, 0.3 part of fish protein powder, 0.4 part of polyaspartic acid, 0.1 part of sodium naphthylacetate, 0.1 part of photosynthetic inducer, 0.3 part of salicylic acid, 5 parts of mineral source potassium humate and 5.5 parts of magnesium sulfate are put into a mixing stirrer together and fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 3.
Example 4
According to the mass percentage, 45 parts of ammonium nitrate phosphorus, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 2 parts of small molecular organic carbon, 0.3 part of alginate oligosaccharide, 0.2 part of fish protein powder, 0.1 part of photosynthetic inducer, 7 parts of mineral source potassium humate and 3.4 parts of magnesium sulfate are put into a mixing stirrer together and are fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 4.
Example 5
According to the mass percentage, 45 parts of ammonium phosphate nitrate, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 2 parts of small molecular organic carbon, 0.3 part of alginate oligosaccharide, 0.2 part of fish protein powder, 0.1 part of photosynthetic inducer, 0.2 part of salicylic acid, 7 parts of mineral source potassium humate and 3.2 parts of magnesium sulfate are put into a mixing stirrer together and fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 5.
Example 6
According to the mass percentage, 45 parts of ammonium phosphate nitrate, 9 parts of monoammonium phosphate, 15 parts of monopotassium phosphate, 15 parts of potassium sulfate, 3 parts of potassium chloride, 2 parts of small molecular organic carbon, 7 parts of mineral source potassium humate and 4 parts of magnesium sulfate are put into a mixing stirrer together and fully stirred at the speed of 75 revolutions per minute to prepare the fertilizer 6.
Example 7
1. Test site
Guangdong Shenzhen, pine hillock test base.
2. Test time
3 months at 2021 to 6 months at 2021.
3. Test crop
And (5) pepper seedlings.
4. Design of experiments
And setting a first test group, a second test group, a third test group, a fourth test group, a fifth test group, a sixth test group and a blank group. The area of each group, the soil quality and the natural condition of each group have no obvious difference, and all the groups adopt the same management.
The first test group, the second test group, the third test group, the fourth test group, the fifth test group, the sixth test group and the blank group are all planted with peppers, the planting modes of the groups are the same, and the plant spacing of the peppers is the same. The same water and fertilizer management is adopted for the first test group, the second test group, the third test group, the fourth test group, the fifth test group, the sixth test group and the blank group, wherein the fertilizers of the embodiment 1, the embodiment 2, the embodiment 3, the embodiment 4, the embodiment 5 and the embodiment 6 are respectively applied to the first test group, the second test group, the third test group, the fourth test group, the fifth test group and the sixth test group in a spraying mode, the fertilizing amount is 5 kg/mu, and the blank group is applied with clear water.
Cold damage treatment: and (3) placing the pepper seedlings subjected to fertilization treatment in an artificial illumination incubator at 5 ℃ for 24h for low-temperature stress treatment.
5. Results testing
During harvesting, root weight of the peppers, single fruit weight of the peppers, granular structure of pepper field soil, plant cold damage degree, chlorophyll content and plant conductivity of the peppers of the blank group and each test group are respectively measured, data of the blank group are used as base lines, and root weight increasing rate, single fruit weight increasing rate, soil granular result increasing rate, cold damage degree reducing rate, chlorophyll content increasing rate and plant conductivity reducing rate of each test group are calculated, and the results are shown in table 1.
Wherein, the root weight refers to the total mass of the root system of the underground part; the degree of cold damage is calculated according to the number of the wilting dehydrated leaves; the soil aggregate structure is determined by adopting a soil analyzer; the chlorophyll content is measured by SPAD instrument; the plant conductivity was measured using an EC instrument.
TABLE 1
As can be seen from the results of the fertilizer component ratios of examples 1 to 6 in combination with Table 1, the growth condition and cold resistance of plants are detected in various aspects, the advantages of the fertilizer can be more comprehensively embodied by combining a plurality of aspects, the growth condition of the plants can be comprehensively improved, and the soil structure can be improved. The optimal fertilizer is the fertilizer 1 prepared in the embodiment 1, and the reasonable proportion of the components can obviously improve the growth condition of the hot pepper, reduce the cold injury and improve the yield. The dosage of the micromolecular organic carbon, the mineral potassium humate, the cold-resistant agent and the plant growth regulator is very low, but the results of all the groups compare to show that even if the addition amount of the components is only very small, the final growth state, the cold-resistant performance and the yield of the plants are obviously different, and if the plant growth regulator is lacked, the cold-resistant performance of the plants is also influenced, and the synergistic effect among the components is obvious. In the aspect of pursuing high yield and good cold resistance, the cost is considered, and it is preferable that a better effect can be achieved at a lower cost, and in summary, the fertilizer 1 prepared by adding a certain amount of various cold-resistant agents and plant growth regulators in example 1 has the highest cost performance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. It should be understood that the technical solutions obtained by logical analysis, reasoning or limited experiments based on the technical solutions provided by the present invention are all within the protection scope of the appended claims of the present invention. Therefore, the protection scope of the patent of the invention is subject to the appended claims, and the description can be used for explaining the contents of the claims.
Claims (10)
1. The fertilizer is characterized by comprising the following components in parts by weight:
wherein the cold-resistant agent is at least one selected from brown algae oligosaccharide, fish protein powder and polyaspartic acid.
2. The fertilizer material of claim 1, wherein said biological growth regulator comprises at least one of sodium naphthaleneacetate, photosensin, and salicylic acid.
3. The fertilizer of claim 1, wherein the macro-elements comprise a nitrogen source, a phosphorous source, and a potassium source; wherein the nitrogen source is at least one selected from urea, ammonium nitrate, ammonium phosphate nitrate, ammonium sulfate and potassium nitrate; the phosphorus source is selected from at least one of industrial monoammonium phosphate, monopotassium phosphate and ammonium polyphosphate; the potassium source is at least one of potassium sulfate, potassium chloride, potassium nitrate and potassium dihydrogen phosphate.
4. The fertilizer of claim 3, wherein the nitrogen, phosphorus and potassium elements in the macroelements comprise more than 45% of the total mass of the fertilizer.
5. The fertilizer according to claim 1, wherein said secondary elements comprise at least one of magnesium sulfate, EDTA-Ca and EDTA-Mg.
6. The fertilizer according to any one of claims 1 to 5, which comprises, in parts by mass:
wherein the cold-resistant agent comprises alginate oligosaccharides, fish protein powder and polyaspartic acid.
7. Use of a fertilizer as claimed in any one of claims 1 to 6 in pepper planting.
8. The use of claim 7, wherein the fertilizer is applied in the seedling stage of pepper, the irrigation and fertilization times are 3 times in total, the time interval is 5 days, and the fertilization amount per time is 75 kg/hectare to 120 kg/hectare.
9. The preparation method of the fertilizer is characterized by comprising the following steps of:
according to the mass parts, 40 to 60 parts of macroelements, 4 to 8 parts of mineral humic acid, 0.5 to 3 parts of micromolecular organic carbon, 0.5 to 3 parts of cold-resistant agent, 0.5 to 3 parts of plant growth regulator and 0 to 10 parts of magnesium sulfate are placed in a mixing stirrer to be stirred, and the fertilizer containing the humic acid is prepared, wherein the cold-resistant agent is at least one selected from brown algae oligosaccharide, fish protein powder and polyaspartic acid.
10. The method of claim 9, wherein the stirring is performed at a rate of 70 to 80 rpm.
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