CN117303984A - Neutral macroelement water-soluble fertilizer containing composite microbial agent and preparation method thereof - Google Patents
Neutral macroelement water-soluble fertilizer containing composite microbial agent and preparation method thereof Download PDFInfo
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- CN117303984A CN117303984A CN202311377358.1A CN202311377358A CN117303984A CN 117303984 A CN117303984 A CN 117303984A CN 202311377358 A CN202311377358 A CN 202311377358A CN 117303984 A CN117303984 A CN 117303984A
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- Prior art keywords
- fertilizer
- neutral
- soil
- parts
- composite microbial
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 130
- 230000007935 neutral effect Effects 0.000 title claims abstract description 62
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 52
- 230000000813 microbial effect Effects 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 18
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011591 potassium Substances 0.000 claims abstract description 17
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 17
- 239000011573 trace mineral Substances 0.000 claims abstract description 16
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 16
- 239000002609 medium Substances 0.000 claims abstract description 15
- 230000002195 synergetic effect Effects 0.000 claims abstract description 11
- 239000003223 protective agent Substances 0.000 claims abstract description 10
- 239000000047 product Substances 0.000 claims description 21
- 239000004615 ingredient Substances 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 20
- 238000005303 weighing Methods 0.000 claims description 13
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 8
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 8
- -1 salt compounds Chemical class 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 239000011777 magnesium Substances 0.000 claims description 7
- 241001474374 Blennius Species 0.000 claims description 6
- 229920001661 Chitosan Polymers 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000783 alginic acid Substances 0.000 claims description 6
- 235000010443 alginic acid Nutrition 0.000 claims description 6
- 229920000615 alginic acid Polymers 0.000 claims description 6
- 229960001126 alginic acid Drugs 0.000 claims description 6
- 150000004781 alginic acids Chemical class 0.000 claims description 6
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 6
- 239000006012 monoammonium phosphate Substances 0.000 claims description 6
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 6
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 6
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 6
- 239000004323 potassium nitrate Substances 0.000 claims description 6
- 235000010333 potassium nitrate Nutrition 0.000 claims description 6
- 241000193744 Bacillus amyloliquefaciens Species 0.000 claims description 5
- 244000063299 Bacillus subtilis Species 0.000 claims description 5
- 235000014469 Bacillus subtilis Nutrition 0.000 claims description 5
- 241000881860 Paenibacillus mucilaginosus Species 0.000 claims description 5
- 229920000805 Polyaspartic acid Polymers 0.000 claims description 5
- 108010020346 Polyglutamic Acid Proteins 0.000 claims description 5
- 239000007633 bacillus mucilaginosus Substances 0.000 claims description 5
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 5
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 5
- 239000012467 final product Substances 0.000 claims description 5
- 239000000618 nitrogen fertilizer Substances 0.000 claims description 5
- 108010064470 polyaspartate Proteins 0.000 claims description 5
- 229920002643 polyglutamic acid Polymers 0.000 claims description 5
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 4
- 241000194108 Bacillus licheniformis Species 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 4
- 229920002101 Chitin Polymers 0.000 claims description 4
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 4
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 4
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- 150000002484 inorganic compounds Chemical class 0.000 claims description 4
- 229910010272 inorganic material Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 150000002894 organic compounds Chemical class 0.000 claims description 4
- 239000002686 phosphate fertilizer Substances 0.000 claims description 4
- 229940072033 potash Drugs 0.000 claims description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 235000015320 potassium carbonate Nutrition 0.000 claims description 4
- 241000194107 Bacillus megaterium Species 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000005696 Diammonium phosphate Substances 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 claims description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 3
- 235000011151 potassium sulphates Nutrition 0.000 claims description 3
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 claims description 3
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 241000194103 Bacillus pumilus Species 0.000 claims description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 claims description 2
- CSGLCWIAEFNDIL-UHFFFAOYSA-O azanium;urea;nitrate Chemical compound [NH4+].NC(N)=O.[O-][N+]([O-])=O CSGLCWIAEFNDIL-UHFFFAOYSA-O 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 235000019797 dipotassium phosphate Nutrition 0.000 claims description 2
- 229910000396 dipotassium phosphate Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
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- 239000002054 inoculum Substances 0.000 claims 6
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- 230000012010 growth Effects 0.000 abstract description 18
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
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- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009335 monocropping Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 208000015380 nutritional deficiency disease Diseases 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 150000004804 polysaccharides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000010496 root system development Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 229960004599 sodium borate Drugs 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000002688 soil aggregate Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 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 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 235000013337 tricalcium citrate Nutrition 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
Classifications
-
- 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
- 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
- C05G3/30—Anti-agglomerating additives; Anti-solidifying additives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a neutral macroelement water-soluble fertilizer containing a composite microbial agent and a preparation method thereof, wherein the neutral macroelement water-soluble fertilizer comprises the following raw materials in parts by weight: 90-98 parts of macroelement fertilizer, 0-3 parts of macroelement fertilizer, 0.5-6 parts of microelement fertilizer, 0.1-2 parts of composite microbial agent, 0.1-2 parts of synergistic protective agent and 0.2-0.4 part of caking preventive; the product is rich in nitrogen, phosphorus, potassium and medium trace elements, comprehensive in nutrients and reasonable in proportion, and provides sufficient nutrients for different stages of plant growth; the pH is between 6.5 and 7.5, and the pH is neutral, so that the soil can be conditioned and acidified, the soil environment is improved, and the crop growth condition is optimized; the added composite microbial agent can activate phosphorus, potassium and medium trace elements in soil, improve the microbial population structure of the soil, improve the acid-base buffering capacity, improve the soil structure, positively promote plant growth, improve the utilization rate of plants to various nutrients, and improve the yield and quality of crops.
Description
Technical Field
The invention relates to the technical field of water-soluble fertilizers, in particular to a neutral macroelement water-soluble fertilizer containing a composite microbial agent and a preparation method thereof.
Background
Soil acidity and alkalinity means that various chemical and biochemical reactions exist in soil, and different acidity or alkalinity is displayed, and the soil is divided into strong acid soil (pH is less than or equal to 4.5), acid soil (pH is less than or equal to 4.5 and less than or equal to 5.5), slightly acid soil (pH is less than or equal to 5.5 and less than or equal to 6.5), neutral soil (pH is less than or equal to 6.5 and less than or equal to 7.5) and alkaline soil (> 7.5).
The soil acidification is harmful: (1) Soil acidification causes soil hardening, so that the water and fertilizer retaining capacity of the soil is reduced, and the plant root system development is inhibited; (2) soil acidification results in reduced nutrient utilization; (3) Soil acidification reduces crop growth vigor and disease resistance; (4) Soil acidification leads to malnutrition and reduced quality of crops; (5) Soil acidification weakens beneficial bacteria in soil and harmful bacteria are propagated, so that crop health is endangered; (6) Soil acidification affects the virtuous cycle of crop nutrients, resulting in diminishing returns.
The benefits brought to the growers by orchards, vegetable gardens, greenhouses and the like which are acidified by soil due to successive year planting and unbalanced fertilization are reduced year by year. The most suitable pH range of the soil for plant growth is 5.5-7.5, namely the most suitable pH range of the plant is in slightly acidic soil and neutral soil except for individual alkali-resistant or acid-resistant plants.
The acidized soil with the pH less than or equal to 5.5 is not suitable for the growth of most crops, and if the acidic fertilizer is continuously applied to the acidized soil, the acidizing degree of the soil can be increased, so that the agricultural yield is reduced, and the benefit is reduced. The most direct method for solving the problem of acidified soil is to select a neutral water-soluble fertilizer which can be used according to the growth requirement of crops during base application and topdressing, and the neutral water-soluble fertilizer can gradually condition the acidified soil to enable the acidified soil to slowly recover the optimal pH range of the soil without causing negative effects of root burning and seedling burning on the crops. In addition, the neutral water-soluble fertilizer can be used in any soil environment, and can not aggravate soil acidification and soil salinization.
Fertilizers themselves have an acidic base, known as physical acid base. Literature searches and data queries show that acidic fertilizers, such as monoammonium phosphate, monopotassium phosphate, ammonium sulfate, superphosphate, etc., dissolve in water and exhibit an acidic reaction. The alkaline fertilizer is dissolved in water and takes on alkaline reaction, such as diammonium phosphate, dipotassium hydrogen phosphate and the like.
In addition, the fertilizers applied to the soil are called physiological alkaline fertilizers when the cations in the residual soil are more than anions after being absorbed by plants, such as sodium nitrate, calcium ammonium nitrate, magnesium nitrate and the like; when anions are more than cations, the fertilizer is called physiological acid fertilizer, such as ammonium sulfate, ammonium chloride, monoammonium phosphate, monopotassium phosphate and the like; the fertilizer with basic balance of anion and cation absorption is a neutral fertilizer such as potassium nitrate, ammonium nitrate and urea.
Traditional soil conditioners for improving acid soil are poor in water solubility or not soluble at all, and most of the soil conditioners are used for adjusting the pH of the soil. The common macroelement water-soluble fertilizer can only provide nutrient components required by plant growth, but omits to improve the physicochemical property of soil and also neglects to adjust the growth corresponding to plants, and the conventional environment has no neutral macroelement water-soluble fertilizer through document searching and data query. Therefore, the neutral macroelement water-soluble fertilizer which has neutral pH value, is fully water-soluble, has comprehensive nutrients, can provide nutrition for plants in different growth periods, contains the composite microbial agent, plays a positive promotion role on plant growth, and is convenient to use has huge market demands.
Disclosure of Invention
The invention provides a neutral macroelement water-soluble fertilizer containing a composite microbial agent and a preparation method thereof.
The scheme of the invention is as follows:
a neutral macroelement water-soluble fertilizer containing a composite microbial agent comprises the following raw materials in parts by weight:
as the preferable technical scheme, the compound microbial agent is four or more than four of bacillus subtilis, bacillus licheniformis, bacillus amyloliquefaciens, bacillus megaterium, bacillus mucilaginosus and bacillus pumilus.
As the preferable technical scheme, the macroelement fertilizer is one or more of nitrogen fertilizer, phosphate fertilizer and potash fertilizer; the weight element fertilizer; the nitrogen fertilizer is one or more of urea and urea ammonium nitrate fertilizer; the phosphate fertilizer is one or more of monoammonium phosphate, diammonium phosphate, monopotassium phosphate, dipotassium phosphate, potassium pyrophosphate, potassium tripolyphosphate, urea phosphate and agricultural ammonium polyphosphate; the potash fertilizer is one or more of potassium nitrate, potassium formate, potassium acetate, potassium sulfate and potassium chloride.
As the preferable technical scheme, the medium element fertilizer is one or more of inorganic compounds containing medium elements of calcium, magnesium and sulfur and organic compounds thereof. Including calcium citrate, magnesium nitrate, calcium ammonium nitrate, EDTA-Ca, EDTA-Mg, magnesium sulfate, calcium amino acid, or magnesium amino acid.
As the preferable technical scheme, the microelement fertilizer is one or more of inorganic compounds containing microelement boron, manganese, copper, zinc, molybdenum and iron and organic compounds thereof. Including boric acid, sodium borate, ammonium molybdate, zinc sulfate, manganese sulfate, EDTA-Ca, EDTA-Zn, EDTA-Fe, EDTA-Cu, EDTA-Mn, IDS-Zn, IDS-Cu, IDS-Mn, IDS-Fe, or zinc amino acid.
As the preferable technical scheme, the synergistic protective agent is one or more of potassium humate, potassium fulvate, polyglutamic acid, polyaspartic acid salt compounds, alginic acid, seaweed extract, chitin, chitosan and chitosan derivatives.
When the neutral macroelement water-soluble fertilizer is applied to the soil for crop growth, the pH can be regulated slowly, so that the soil unsuitable for crop growth is restored to be normal slowly; the foliar fertilizer can also enable crops to quickly absorb nutrition and promote the growth of the crops; plays a role in promoting the natural growth of plants, maintains the balance of auxins, promotes the nutrient absorption of the plants, induces the resistance of the plants to stress, and digs the yield and quality potential of crops.
The functional auxiliary agent comprises potassium humate, potassium fulvate, polyglutamic acid, polyaspartic acid and salt compounds thereof, alginic acid and seaweed extract, chitin, chitosan and derivatives thereof, etc.
The main elements of humic acid are carbon, hydrogen, oxygen, nitrogen and sulfur, and are polycondensates of polyvalent phenol aromatic compounds and nitrogen compounds. Humic acid has the functions of stimulating physiological metabolism of crops, improving soil structure, enhancing stress resistance of crops and improving quality of crop products.
Fulvic acid is a short carbon chain molecular structure substance, is extracted from humic acid, has higher physiological activity, and has the main functions of: the plant micro biological activity is stimulated, macro and micro nutrient substances are chelated, the flocculation resistance and the buffering resistance are realized, the dissolution performance is good, the plant diseases are prevented and treated, the disease resistance is enhanced, the cold resistance and the drought resistance are improved, and the soil aggregate structure is improved.
Amino acid is an organic active nitrogen fertilizer, and is an important supplementary source of organic nitrogen nutrient. The amino acid can complex metal ions, carry the medium elements and microelements required by plants into plants, improve the utilization rate of the plants to various nutrients, and play an important role in plant metabolism because the amino acid is also an accelerant and a catalyst for synthesizing various enzymes in the plants.
Polyglutamic acid has the following advantages as a functional auxiliary agent of the fertilizer: contains proteins, minerals, vitamins and various biochemical active substances, and has natural and environment-friendly properties; fertilizer and water are preserved, loss of fertilizer is reduced, and the utilization rate of the fertilizer is improved; the drought resistance, cold resistance and other stress resistance of crops are enhanced, seed germination and emergence are promoted, the crop yield is greatly improved, and the income of farmers is increased; heavy metals are chelated, so that excessive absorption of crops is avoided, and the food safety is improved; contains effective components for resisting plant diseases and insect pests, has certain disease preventing and insect preventing effects, and reduces the pesticide consumption.
The polyaspartic acid is a water-soluble high molecular amino acid polymer, can promote plants to absorb nutrients, improve crop yield, save fertilizer application amount and promote the crops such as grains, vegetables, melons, fruits, flowers and the like to absorb the nutrients; the plant nutrition absorption auxiliary agent is suitable for various plants and soil, and can be used together with chemical fertilizers to reduce the loss of the chemical fertilizers, activate nutrient elements, improve the utilization rate of the chemical fertilizers and increase the yield.
The alginic acid and seaweed extract are extracted from seaweed growing in seawater by a special process, contain all nutrients possessed by land plants, also contain a plurality of seaweed polysaccharides, mannitol, phenolic polymers, betaine, abscisic acid, fucoidan, amino acids, proteins, indole organic acid family growth substances, cytokinin, gibberellin family regulator, biological iodine, potassium, calcium, magnesium, manganese, titanium and other nutrient elements which are incomparable with the land plants, and have the effects of rapidly supplementing nutrients, strengthening roots, promoting seedlings, enhancing photosynthesis, increasing flower division rate, protecting flowers and fruits, resisting viruses, expelling worms, improving the quality and flavor of reduced crops, improving the yield of crops and the like.
Chitin and chitosan derivatives have the effects of improving soil, fertilizing soil fertility and improving nutrient utilization rate in soil; the root can be rooted and protected, the bad growth of the root can be relieved, and the problem of continuous cropping can be effectively solved; the occurrence rate of root diseases can be reduced, and the root-knot nematodes can be prevented and treated; can strengthen photosynthesis, improve quality and remarkably improve the fruit quality rate; can be regulated and controlled bidirectionally, has remarkable yield increasing effect, and improves the yield after long-term use compared with the conventional fertilization.
The invention also discloses a method for preparing the neutral macroelement water-soluble fertilizer containing the composite microbial agent, which comprises the following steps:
(1) Weighing 90-98 parts by weight of macroelement fertilizer, 0-3 parts by weight of intermediate element fertilizer and 0.5-6 parts by weight of trace element fertilizer, and crushing and uniformly mixing for 20-40min to obtain a ingredient A;
(2) Taking 0.1-2 parts by weight of composite microbial agent, and uniformly dispersing the composite microbial agent with 0.1-2 parts by weight of synergistic protective agent to obtain a ingredient B;
(3) Spraying the ingredient B on the surface of the ingredient A in a high-pressure spraying mode, and continuously and uniformly mixing for 3-8min to obtain a primary product C;
(4) Taking 0.2 to 0.4 weight part of anti-caking agent, spraying the anti-caking agent onto the surface of the product C in a high-pressure spraying mode, and continuously and uniformly mixing for 5 to 10 minutes to obtain a final product.
The amount of the compound microbial agent is small, the compound microbial agent is difficult to be mixed uniformly by direct mixing, and the synergistic protective agent is used as the developing agent, so that the compound microbial agent is convenient to be mixed uniformly with other materials.
Due to the adoption of the technical scheme, the neutral macroelement water-soluble fertilizer containing the composite microbial agent and the preparation method thereof comprise the following steps: (1) Weighing 90-98 parts by weight of macroelement fertilizer, 0-3 parts by weight of intermediate element fertilizer and 0.5-6 parts by weight of trace element fertilizer, and crushing and uniformly mixing for 20-40min to obtain a ingredient A; (2) Taking 0.1-2 parts by weight of composite microbial agent, and uniformly dispersing the composite microbial agent with 0.1-2 parts by weight of synergistic protective agent to obtain a ingredient B; (3) Spraying the ingredient B on the surface of the ingredient A in a high-pressure spraying mode, and continuously and uniformly mixing for 3-8min to obtain a primary product C; (4) Taking 0.2 to 0.4 weight part of anti-caking agent, spraying the anti-caking agent onto the surface of the product C in a high-pressure spraying mode, and continuously and uniformly mixing for 5 to 10 minutes to obtain a final product.
Compared with the prior art, the invention has the following beneficial effects:
(1) The pH of the neutral macroelement water-soluble fertilizer is between 6.5 and 7.5, and the pH is neutral, so that the neutral macroelement water-soluble fertilizer can condition acidified soil, improve soil environment and optimize crop growth conditions.
(2) The neutral macroelement water-soluble fertilizer is rich in nitrogen, phosphorus, potassium and medium and trace elements, comprehensive in nutrition and reasonable in proportion, and can provide various nutrients for different stages of plant growth.
(3) The neutral macroelement water-soluble fertilizer is added with the composite microbial agent containing the synergistic protective agent, and the microbial agent and the metabolites thereof can activate phosphorus, potassium and medium trace elements in soil, improve the microbial population structure of the soil, improve the acid-base buffering capacity, improve the soil structure, positively promote the plant growth, improve the utilization rate of plants to various nutrients and improve the crop yield and quality.
(4) The neutral macroelement water-soluble fertilizer has high nutrient content and N+P 2 O 5 +K 2 O is more than or equal to 50%, the anti-caking additive is particularly added, the appearance is loose, the mixture is uniform, no mechanical impurity exists, the full water-soluble fertilizer is fully dissolved, nutrients are not attenuated after being placed for a long time, the fertilizer is not caked, and the fertilizer is suitable for large-area automatic fertilization operation and has high fertilization efficiency.
(5) The neutral macroelement water-soluble fertilizer is produced under the environment of dehumidification (25-30 ℃ and humidity controlled within 30%) at normal temperature and normal pressure, has simple equipment and low energy consumption, is easy to realize large-scale production and reduces the labor degree.
(6) The neutral macroelement water-soluble fertilizer product raw material has no negative effect on crops and soil, and meets the requirements of green and ecology of modern agriculture.
The invention has the advantages that:
the product of the invention can regulate the acidified soil, provide comprehensive nutrients for different stages of crop growth, positively promote plant growth, improve the utilization rate of various nutrients for crops, and improve the yield and quality of crops.
The obtained water-soluble fertilizer is rich in nitrogen, phosphorus, potassium and medium trace elements, comprehensive in nutrients and reasonable in proportion, and can provide sufficient nutrients for different stages of plant growth. The pH is between 6.5 and 7.5, and the pH is neutral, so that the soil can be conditioned and acidified, the soil environment is improved, and the crop growth condition is optimized. The added composite microbial agent can activate phosphorus, potassium and medium trace elements in soil, improve the microbial population structure of the soil, improve the acid-base buffering capacity, improve the soil structure, positively promote plant growth, improve the utilization rate of plants to various nutrients, and improve the yield and quality of crops.
The pH range of the neutral macroelement water-soluble fertilizer corresponds to the pH in the soil acid-base grading standard. The pH in the macroelement water-soluble fertilizer standard NY 1107-2020 is measured under the condition of requiring 1:250 times dilution. Therefore, in the invention, the macroelement water-soluble fertilizer with the pH value within the range of 6.5-7.5 measured under the condition of 1:250 times dilution is generally called as a neutral macroelement water-soluble fertilizer.
The product of the invention has neutral pH, full water solubility and comprehensive nutrients, can provide nutrition for plants in different growth periods, contains the compound microbial agent, plays a positive promotion role on plant growth, and has huge market demands on the neutral macroelement water-soluble fertilizer which is convenient to use.
Drawings
FIG. 1 is a graph showing the change in pH of soil according to application example 2 of the present invention.
Detailed Description
The invention is further described in connection with the following embodiments in order to make the technical means, the creation features, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
A neutral macroelement water-soluble fertilizer containing a composite microbial agent comprises the following components in parts by weight:
the specific preparation method of the neutral macroelement water-soluble fertilizer containing the composite microbial agent comprises the following steps:
a. weighing 96.5 parts of macroelement water-soluble fertilizer raw materials of urea, potassium nitrate, diammonium hydrogen phosphate, agricultural ammonium polyphosphate, monoammonium phosphate, potassium sulfate, ammonium phosphate nitrate, potassium silicate and potassium hydroxide according to a weighing scale required by a formula, crushing, and uniformly mixing by a No. 1 mixer.
b.1.0 part of medium element water-soluble fertilizer raw material EDTA-Mg, 1.9 parts of trace element water-soluble fertilizer raw material boric acid, ammonium molybdate, IDS-Zn, 0.05 part of bacillus subtilis, 0.05 part of bacillus amyloliquefaciens, 0.1 part of bacillus mucilaginosus, 0.1 part of polyglutamic acid and 0.3 part of anticaking agent are weighed by a weighing scale and then are uniformly mixed by a No. 2 mixer.
And c, thoroughly and uniformly mixing the raw materials in the No. 1 mixer and the raw materials in the No. 2 mixer, cooling by a cooler, and enabling the packaged neutral macroelement water-soluble fertilizer product A to enter a finished product warehouse for sale.
Example 2
A neutral macroelement water-soluble fertilizer containing a composite microbial agent comprises the following components in parts by weight:
the specific preparation method of the neutral macroelement water-soluble fertilizer of the composite microbial agent comprises the following steps:
a. 94.8 parts of macroelement water-soluble fertilizer raw materials such as urea, potassium nitrate, diammonium hydrogen phosphate, agricultural ammonium polyphosphate, monoammonium phosphate, monopotassium phosphate and potassium chloride are weighed according to a weighing scale required by a formula, crushed and uniformly mixed by a No. 1 mixer.
4.0 parts of trace element water-soluble fertilizer raw materials of borax, EDTA-Fe, EDTA-Zn, bacillus subtilis, bacillus amyloliquefaciens, bacillus mucilaginosus, bacillus licheniformis respectively 0.1 parts, chitosan oligosaccharide, fulvic acid and alginic acid respectively 0.2 parts, and 0.3 parts of anti-caking agent are weighed by a weighing scale and then are uniformly mixed by a No. 2 mixer.
And c, thoroughly and uniformly mixing the raw materials in the No. 1 mixer and the raw materials in the No. 2 mixer, cooling by a cooler, and enabling the packaged neutral macroelement water-soluble fertilizer product B to enter a finished product warehouse for sale.
Example 3
A neutral macroelement water-soluble fertilizer containing a composite microbial agent comprises the following components in parts by weight:
the specific preparation method of the neutral macroelement water-soluble fertilizer of the composite microbial agent comprises the following steps:
a. weighing 95.7 parts of macroelement water-soluble fertilizer raw materials such as urea, potassium nitrate, potassium tripolyphosphate, potassium pyrophosphate, potassium formate, monopotassium phosphate and potassium silicate according to a weighing scale required by a formula, crushing, and uniformly mixing by a No. 1 mixer.
b.1.0 parts of medium element water-soluble fertilizer raw material EDTA-Ca, 2.4 parts of trace element water-soluble fertilizer raw material borax, ammonium molybdate, IDS-Zn, 0.05 part of bacillus subtilis, bacillus amyloliquefaciens, bacillus mucilaginosus, bacillus licheniformis and bacillus megaterium respectively, 0.25 part of polyaspartic acid and 0.2 part of alginic acid, and 0.2 part of anticaking agent is weighed by a weighing scale and then is uniformly mixed by a No. 2 mixer.
And C, thoroughly and uniformly mixing the raw materials in the No. 1 mixer and the raw materials in the No. 2 mixer, cooling by a cooler, and enabling the packaged neutral macroelement water-soluble fertilizer product C to enter a finished product warehouse for sale.
Example 4
The specific preparation method of the neutral macroelement water-soluble fertilizer of the composite microbial agent comprises the following steps:
(1) Weighing 90 parts of a macroelement fertilizer, 0 part of a medium element fertilizer and 0.5 part of a trace element fertilizer according to parts by weight, and crushing and uniformly mixing for 20 minutes to obtain a ingredient A;
(2) Taking 0.1 part of composite microbial agent, and uniformly dispersing with 0.1 part of synergistic protective agent to obtain a ingredient B;
(3) Spraying the ingredient B on the surface of the ingredient A in a high-pressure spraying mode, and continuously and uniformly mixing for 3min to obtain a primary product C.
(4) Taking 0.2 part of anti-caking agent, spraying the anti-caking agent onto the surface of the product C in a high-pressure spraying mode, and continuously and uniformly mixing for 5min to obtain a final product D.
Example 5
The specific preparation method of the neutral macroelement water-soluble fertilizer of the composite microbial agent comprises the following steps:
(1) Weighing 98 parts of a macroelement fertilizer, 3 parts of a medium element fertilizer and 6 parts of a trace element fertilizer according to parts by weight, and crushing and uniformly mixing for 40 minutes to obtain a ingredient A;
(2) Taking 2 parts of a compound microbial agent, and uniformly dispersing the compound microbial agent with 2 parts of a synergistic protective agent to obtain a ingredient B;
(3) Spraying the ingredient B on the surface of the ingredient A in a high-pressure spraying mode, and continuously and uniformly mixing for 8min to obtain a primary product C.
(4) Taking 0.4 part of anti-caking agent, spraying the anti-caking agent onto the surface of the product C in a high-pressure spraying mode, and continuously and uniformly mixing for 10min to obtain a final product D.
Application example 1
The quality index of the prepared fertilizer is detected by adopting the agricultural industry standard NY 1107-2010 of the people's republic of China. The neutral macroelement water-soluble fertilizer prepared in the embodiment 1-3 has high nutrient content and comprehensive nutrient content, particularly adds the synergistic auxiliary agent with special functions, is free from caking after long-term storage, has good looseness and high use convenience, can be applied together with water and fertilizer and can be applied by broadcasting, and is a high-quality neutral macroelement water-soluble fertilizer combining nutrition type fertilizer and functional type fertilizer, and the specific is shown in the table 1.
Table 1 quality index of neutral macroelement water-soluble fertilizer
| Item product | A | B | C |
| Nitrogen (N) (%) | 20.2 | 19.7 | 10.5 |
| Phosphorus (P) 2 O 5 )(％) | 15.1 | 19.8 | 7.1 |
| Potassium (K) 2 O)(％) | 20.3 | 20.0 | 43.6 |
| Ca(％) | - | - | |
| Mg(％) | 0.1 | - | |
| B(％) | 0.24 | 0.31 | |
| Zn(％) | 0.08 | 0.12 | |
| Mo(％) | 0.05 | - | |
| Fe(％) | - | 0.05 | |
| pH | 6.5 | 7 | 7.5 |
| Moisture (%) | 0.2 | 0.1 | 0.3 |
| Number of viable bacteria (CFU/g) | 0.32 | 0.63 | 0.46 |
| Packaging arrangement | Plastic package bag | Plastic package bag | Plastic package bag |
| Specification of specification | 5kg | 5kg | 5kg |
Application example 2: the invention relates to a potting test of neutral macroelement water-soluble fertilizer
Potting experimental purposes: the effect of the neutral macroelement water-soluble fertilizer of the invention on slowly conditioning the soil with strong acidity, acidity and weak acidity is verified
Test site: research and development center laboratory of the applicant of the present invention
Test time: 4.2021 and 1.8.30. Developing pot experiment
Test crop: leaf vegetables lettuce
Test protocol: the balanced neutral macroelement water-soluble fertilizer B (20-20-20+TE) prepared by the method and the acidic macroelement water-soluble fertilizer D (20-20-20+TE) prepared by the research and development center are selected.
The test design is totally 3 treatments, each treatment is provided with 12 parallel potted plants, each potted plant is transplanted with four seedlings, the transplanting is delayed for Miao Di, the first fertilization is carried out for three days, the fertilization is carried out every ten days later, the total fertilization is carried out four times, and the harvest is carried out for forty days.
Treatment 1: blank control, do not do fertilization treatment; treatment 2: applying an acidic macroelement water-soluble fertilizer D in a fertilization control example; treatment 3: and (5) fertilizing, namely applying a neutral macroelement water-soluble fertilizer B. The pH of each pot soil was measured before the seedling transplanting of the lettuce. The fertilization amount and the fertilization time of the treatment 2 and the treatment 3 are consistent, the water-soluble fertilizer is diluted 800 times for each fertilization, then the quantitative clear water is sprayed, and the equal amount of clear water is sprayed and sprayed in the treatment 1. Soil samples are taken to measure the pH three days after fertilization, three pots of potting soil are taken for each treatment to measure the pH, and an average value is taken for four times. Observing the loosening condition of soil and observing the growth condition of lettuce. This test regimen was repeated three times for a period of 40 days.
The pot-cultivated soil is prepared by mixing 1 part of humus soil with 4 parts of greenhouse soil, the greenhouse soil is taken from a vegetable greenhouse with frequent rotation, and the pH value of the soil is about 4.0 due to long-term vegetable planting and excessive fertilization, so that the pot-cultivated soil is strong-acid soil, the organic matter content is reduced, the soil caking is serious, and the fertility is low. Humus soil has high organic matter content, near neutral pH and high fertility.
The treatment 1 blank control was not applied with any fertilizer, and the pH was not changed much and had a tendency to decrease.
The acid water-soluble fertilizer is applied in the treatment 2, the pH change is the largest, the acidification is the most serious, the pH is reduced to 4.0 from 4.5, and the soil acidification rate is 11.1%.
Treatment 3 the neutral water-soluble fertilizer of the embodiment of the invention is applied, the pH of the soil is raised from 4.5 to 5.3, and the recovery rate of the pH of the soil is 23.2% at the highest and 17.8% at the lowest. The neutral water-soluble fertilizer can slowly adjust the acidified soil to enable the acidified soil to slowly recover to the favorite soil environment of crops.
The 3 lettuce grows best in each experimental treatment, but as the number of successive seeds increases, the first growth is better than the second and the second growth is better than the third. The growth condition is good, which indicates that the soil environment is good, and further indicates that the neutral water-soluble fertilizer of the embodiment has the advantage of adjusting the pH of the soil.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The neutral macroelement water-soluble fertilizer containing the composite microbial agent is characterized by comprising the following raw materials in parts by weight:
2. a neutral macroelement water-soluble fertilizer containing a composite microbial inoculant as claimed in claim 1, wherein: the compound microbial agent is a compound bacteria of four or more than four of bacillus subtilis, bacillus licheniformis, bacillus amyloliquefaciens, bacillus megaterium, bacillus mucilaginosus and bacillus pumilus.
3. A neutral macroelement water-soluble fertilizer containing a composite microbial inoculant as claimed in claim 1, wherein: the macroelement fertilizer is one or more of nitrogenous fertilizer, phosphate fertilizer and potash fertilizer; the weight element fertilizer; the nitrogen fertilizer is one or more of urea and urea ammonium nitrate fertilizer; the phosphate fertilizer is one or more of monoammonium phosphate, diammonium phosphate, monopotassium phosphate, dipotassium phosphate, potassium pyrophosphate, potassium tripolyphosphate, urea phosphate and agricultural ammonium polyphosphate; the potash fertilizer is one or more of potassium nitrate, potassium formate, potassium acetate, potassium sulfate and potassium chloride.
4. A neutral macroelement water-soluble fertilizer containing a composite microbial inoculant as claimed in claim 1, wherein: the medium element fertilizer is one or more of inorganic compounds containing medium elements of calcium, magnesium and sulfur and organic compounds thereof.
5. A neutral macroelement water-soluble fertilizer containing a composite microbial inoculant as claimed in claim 1, wherein: the trace element fertilizer is one or more of inorganic compounds containing trace elements of boron, manganese, copper, zinc, molybdenum and iron and organic compounds thereof.
6. A neutral macroelement water-soluble fertilizer containing a composite microbial inoculant as claimed in claim 1, wherein: the synergistic protective agent is one or more of potassium humate, potassium fulvate, polyglutamic acid, polyaspartic acid salt compounds, alginic acid, seaweed extract, chitin, chitosan and chitosan derivatives.
7. A process for preparing a neutral macroelement water-soluble fertilizer containing a composite microbial inoculant according to claims 1 to 6, comprising the steps of:
(1) Weighing 90-98 parts by weight of macroelement fertilizer, 0-3 parts by weight of intermediate element fertilizer and 0.5-6 parts by weight of trace element fertilizer, and crushing and uniformly mixing for 20-40min to obtain a ingredient A;
(2) Taking 0.1-2 parts by weight of composite microbial agent, and uniformly dispersing the composite microbial agent with 0.1-2 parts by weight of synergistic protective agent to obtain a ingredient B;
(3) Spraying the ingredient B on the surface of the ingredient A in a high-pressure spraying mode, and continuously and uniformly mixing for 3-8min to obtain a primary product C;
(4) Taking 0.2 to 0.4 weight part of anti-caking agent, spraying the anti-caking agent onto the surface of the product C in a high-pressure spraying mode, and continuously and uniformly mixing for 5 to 10 minutes to obtain a final product.
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