CN113603546A - Water-soluble fertilizer synergist and preparation method and application method thereof - Google Patents
Water-soluble fertilizer synergist and preparation method and application method thereof Download PDFInfo
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- CN113603546A CN113603546A CN202111087268.XA CN202111087268A CN113603546A CN 113603546 A CN113603546 A CN 113603546A CN 202111087268 A CN202111087268 A CN 202111087268A CN 113603546 A CN113603546 A CN 113603546A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title abstract description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 28
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- 235000013619 trace mineral Nutrition 0.000 claims abstract description 9
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- 239000004220 glutamic acid Substances 0.000 claims description 14
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- 235000018660 ammonium molybdate Nutrition 0.000 claims description 5
- 239000011609 ammonium molybdate Substances 0.000 claims description 5
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- ZVCNBVJYXBEKTC-UHFFFAOYSA-L azanium;zinc;phosphate Chemical compound [NH4+].[Zn+2].[O-]P([O-])([O-])=O ZVCNBVJYXBEKTC-UHFFFAOYSA-L 0.000 claims description 5
- 239000000665 guar gum Substances 0.000 claims description 5
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- 229960002154 guar gum Drugs 0.000 claims description 5
- 229920005614 potassium polyacrylate Polymers 0.000 claims description 5
- JWQMZGJKIAJVFE-UHFFFAOYSA-L azanium copper phosphate Chemical compound [NH4+].[Cu+2].[O-]P([O-])([O-])=O JWQMZGJKIAJVFE-UHFFFAOYSA-L 0.000 claims description 4
- 235000007079 manganese sulphate Nutrition 0.000 claims description 4
- 239000011702 manganese sulphate Substances 0.000 claims description 4
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 28
- 239000002689 soil Substances 0.000 abstract description 26
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 19
- 239000011574 phosphorus Substances 0.000 abstract description 19
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 14
- 208000035240 Disease Resistance Diseases 0.000 abstract description 4
- 231100000956 nontoxicity Toxicity 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 12
- 230000014759 maintenance of location Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 241000227653 Lycopersicon Species 0.000 description 4
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 4
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002686 phosphate fertilizer Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 229940099596 manganese sulfate Drugs 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002601 urease inhibitor Substances 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- UHPMCKVQTMMPCG-UHFFFAOYSA-N 5,8-dihydroxy-2-methoxy-6-methyl-7-(2-oxopropyl)naphthalene-1,4-dione Chemical compound CC1=C(CC(C)=O)C(O)=C2C(=O)C(OC)=CC(=O)C2=C1O UHPMCKVQTMMPCG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241001465180 Botrytis Species 0.000 description 1
- 241000193417 Brevibacillus laterosporus Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 108010046334 Urease Proteins 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
-
- 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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of fertilizer synergists. The invention provides a water-soluble fertilizer synergist which comprises the following components in parts by mass: 40-50 parts of water-soluble amino acid; 40-50 parts of water-soluble organic matters; 20-30 parts of biological bacteria; 3-8 parts of a stabilizer; and 3-6 parts of trace element substances. The invention also provides a preparation method and an application method of the water-soluble fertilizer synergist. The water-soluble fertilizer synergist has no toxicity, and the water solubility reaches more than 99 percent; the fixation rate of the soil to nitrogen, phosphorus and potassium fertilizers can be obviously reduced, the utilization rate of the fertilizers is greatly improved, and the water-retaining and fertilizer-retaining capacity is excellent; the yield and quality of crops and the disease resistance are obviously improved.
Description
Technical Field
The invention relates to the technical field of fertilizer synergists, in particular to a water-soluble fertilizer synergist and a preparation method and an application method thereof.
Background
The fertilizer synergist is a product for improving the utilization rate of a fertilizer, and is used for improving the utilization rate of the fertilizer and the nutrient contribution rate, prolonging the fertilizer efficiency period, improving or repairing soil, regulating the water and fertilizer retention capacity of the soil and improving the quality of crops by reducing loss in ways of fixing, volatilizing, leaching, runoff and the like.
At present, most of the prior art adopts urease inhibitors and nitrification inhibitors as main components of fertilizer synergists to stabilize nitrogen fertilizers and improve fertilizer efficiency, but the urease inhibitors and the nitrification inhibitors easily pollute water bodies, are not suitable for long-term application, have short fertilizer efficiency and have insignificant synergism on phosphate fertilizers and potassium fertilizers. The fertilizer synergist in the prior art also has the defects of high cost, poor water solubility, poor water and fertilizer retention capacity, certain toxicity, poor crop yield improvement and quality improvement effect and the like.
Therefore, the research and development of the water-soluble fertilizer synergist which reduces the soil fixation rate of nitrogen, phosphorus and potassium fertilizers, has no toxicity, efficiently improves the water and fertilizer retention capacity and prolongs the fertilizer effect period, realizes the purposes of effectively improving the soil and improving the yield and quality of crops, and has important economic value and environmental benefit.
Disclosure of Invention
The invention aims to provide a water-soluble fertilizer synergist and a preparation method and an application method thereof aiming at the defects of the prior art, so as to solve the problems of poor water solubility and soil improvement capability, low water and fertilizer retention efficiency, insufficient utilization rate of fertilizer and poor disease resistance of the conventional water-soluble fertilizer synergist.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a water-soluble fertilizer synergist which comprises the following components in parts by mass: 40-50 parts of water-soluble amino acid; 40-50 parts of water-soluble organic matters; 20-30 parts of biological bacteria; 3-8 parts of a stabilizer; and 3-6 parts of trace element substances.
Preferably, the water-soluble amino acid comprises poly-gamma-glutamic acid and/or polyaspartic acid.
Preferably, the water-soluble organic matter comprises one or more of polyacrylamide, potassium fulvate and potassium polyacrylate.
Preferably, the biological bacteria comprise one or more of bacillus mucilaginosus, bacillus licheniformis and bacillus amyloliquefaciens.
Preferably, the stabilizer comprises one or more of guar gum, sodium carboxymethylcellulose and magnesium aluminum silicate.
Preferably, the trace element substances comprise one or more of borax, manganese sulfate, zinc ammonium phosphate, copper ammonium phosphate and ammonium molybdate.
Preferably, the water-soluble amino acid comprises poly gamma-glutamic acid and polyaspartic acid in a mass ratio of 2-3: 1; the water-soluble organic matter comprises polyacrylamide and potassium fulvate in a mass ratio of 1: 2-4.
The invention also provides a preparation method of the water-soluble fertilizer synergist, which comprises the following steps: mixing the components and then carrying out thinning treatment to obtain the water-soluble fertilizer synergist; the particle size of the water-soluble fertilizer synergist is 20-40 mu m.
The invention also provides an application method of the water-soluble fertilizer synergist, which is implemented by mixing the water-soluble fertilizer synergist and a chemical fertilizer in a mass ratio of 5-15: 100.
The beneficial effects of the invention include the following:
1) the water-soluble fertilizer synergist can obviously reduce the fixation rate of soil to nitrogen, phosphorus and potassium fertilizers, reduce the loss of fertilizer nutrients, greatly improve the utilization rate of the fertilizers, and has excellent water and fertilizer retention capacity and obviously prolonged fertilizer effect period.
2) The water-soluble fertilizer synergist can effectively improve soil and greatly improve the yield, quality and disease resistance of crops.
3) The water-soluble fertilizer synergist has no toxicity, has water solubility of over 99 percent, and can be mixed with any fertilizer for application.
Detailed Description
The invention provides a water-soluble fertilizer synergist which comprises the following components in parts by mass: 40-50 parts of water-soluble amino acid; 40-50 parts of water-soluble organic matters; 20-30 parts of biological bacteria; 3-8 parts of a stabilizer; and 3-6 parts of trace element substances.
The water-soluble fertilizer synergist comprises 40-50 parts of water-soluble amino acid, preferably 42-47 parts, more preferably 44-46 parts, and even more preferably 45 parts.
The water-soluble amino acid of the present invention preferably comprises poly-gamma-glutamic acid and/or polyaspartic acid; when the water-soluble amino acid contains poly-gamma-glutamic acid and polyaspartic acid, the mass ratio of poly-gamma-glutamic acid to polyaspartic acid is preferably 1-4: 1, and more preferably 2-3: 1.
The poly-gamma-glutamic acid is an anionic polyamino acid, has the advantages of good water solubility, biodegradability, fertilizer absorbability promotion and the like, is efficient and nontoxic, can generate good effects on improving the soil structure, improving the water and fertilizer holding capacity of soil and slowly releasing chemical fertilizer, improves the utilization rate of the soil fertilizer and reduces the pollution of excessive fertilization to the environment; the polyaspartic acid is a water-soluble polypeptide structure, can be effectively biodegraded, and is an environment-friendly bionic product.
After the phosphate fertilizer is applied to the soil, the phosphate fertilizer is easily fixed by iron ions, aluminum ions or calcium ions in the soil to form phosphate precipitates, so that the phosphorus fixation of the soil is reduced, and the utilization rate of the phosphate fertilizer is improved. The amino acid of the invention can reduce the fixation of phosphorus in soil, improve the utilization rate of phosphate fertilizer, promote the growth of crops and improve the stress resistance and disease resistance of crops.
The water-soluble fertilizer synergist comprises 40-50 parts of water-soluble organic matters, preferably 42-47 parts, more preferably 44-46 parts, and even more preferably 45 parts.
The water-soluble organic matter preferably contains one or more of polyacrylamide, potassium fulvate and potassium polyacrylate, and further preferably contains polyacrylamide and potassium fulvate; the mass ratio of the polyacrylamide to the potassium fulvate is preferably 1: 2-4, and more preferably 1: 3.
The water-soluble organic matter has stronger ion exchange and adsorption capacity, reduces the loss of nitrogen and improves the utilization rate of the nitrogen fertilizer; the moving distance of phosphorus in the soil is increased, the moving speed of the phosphorus in the soil is increased, the water-soluble phosphorus in the high-molecular water solution is protected, the fixation of the water-soluble phosphorus by the soil is inhibited, and the absorption of the phosphorus is promoted; the potassium ions are absorbed and stored in the soil, and the release amount and the release time of the potassium are improved. The potassium fulvate can be directly absorbed by the root system of the crops to supply a carbon source for the crops, so that the stress resistance and the yield of the crops are improved, and the quality of the crops is improved; the potassium fulvate has good water solubility, improves the crop yield and reduces the humic acid dosage.
The water-soluble fertilizer synergist comprises 20-30 parts of biological bacteria, preferably 22-28 parts, more preferably 24-26 parts, and more preferably 25 parts.
The biological bacteria preferably comprise one or more of bacillus mucilaginosus, bacillus licheniformis and bacillus amyloliquefaciens; when the biological bacteria contain several components at the same time, the components are preferably mixed in an equal mass ratio.
After the biological bacteria are applied to soil, the beneficial bacteria in the soil can be supplemented, the soil environment can be improved, phosphorus and potassium can be dissolved, nitrogen can be fixed, harmful bacteria in the soil can be inhibited, and the utilization rate of nitrogen, phosphorus and potassium fertilizers can be improved.
The water-soluble amino acid, the water-soluble organic matter and the biological bacteria are mutually cooperated, so that a good urease inhibiting effect can be achieved, the time of converting urea into ammonium is prolonged, the ammonia oxidation process is inhibited, the conversion of ammonium nitrogen into nitrate nitrogen is controlled, and the utilization rate of the fertilizer is improved; the pH value of the soil is adjusted, and the water and fertilizer retention capacity of the soil is improved.
The water-soluble fertilizer synergist comprises 3-8 parts of a stabilizer, preferably 4-7 parts, more preferably 5-6 parts, and even more preferably 5.5 parts.
The stabilizer preferably comprises one or more of guar gum, sodium carboxymethylcellulose and magnesium aluminum silicate; when the stabilizer contains several components at the same time, the components are preferably mixed in an equal mass ratio.
The stabilizer provided by the invention is matched with water-soluble amino acid, water-soluble organic matters and biological bacteria, so that the water and fertilizer retention capacity is further improved, and the fertilizer effect period is prolonged.
The water-soluble fertilizer synergist comprises 3-6 parts of trace element substances, preferably 4-5 parts, and more preferably 4.5 parts.
The trace element substances preferably comprise one or more of borax, manganese sulfate, zinc ammonium phosphate, copper ammonium phosphate and ammonium molybdate; when the trace element substance contains several components at the same time, the components are preferably mixed in an equal mass ratio.
The invention also provides a preparation method of the water-soluble fertilizer synergist, which comprises the following steps: mixing the components and then carrying out thinning treatment to obtain the water-soluble fertilizer synergist; the particle size of the water-soluble fertilizer synergist is 20-40 mu m.
The particle size of the water-soluble fertilizer synergist is preferably 25-35 μm, more preferably 28-32 μm, and even more preferably 30 μm.
The invention also provides an application method of the water-soluble fertilizer synergist, which is implemented by mixing the water-soluble fertilizer synergist and a chemical fertilizer in a mass ratio of 5-15: 100.
The mass ratio of the water-soluble fertilizer synergist to the fertilizer is preferably 7-13: 100, more preferably 9-11: 100, and even more preferably 10: 100; the water-soluble fertilizer synergist can be mixed with various fertilizers for application.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
Uniformly mixing 42g of poly-gamma-glutamic acid, 42g of polyacrylamide, 20g of bacillus mucilaginosus, 3g of sodium carboxymethylcellulose and 3g of zinc ammonium phosphate, and carrying out molding and refining treatment on the obtained mixture to obtain the water-soluble fertilizer synergist with the particle size of 22 mu m.
Example 2
Uniformly mixing 40g of poly-gamma-glutamic acid, 10g of polyaspartic acid, 25g of potassium fulvate, 25g of potassium polyacrylate, 15g of bacillus licheniformis, 15g of bacillus amyloliquefaciens, 4g of guar gum, 4g of magnesium aluminum silicate, 2g of borax, 2g of ammonium copper phosphate and 2g of manganese sulfate, and carrying out forming and refining treatment on the obtained mixture to obtain the water-soluble fertilizer synergist with the particle size of 40 mu m.
Example 3
Uniformly mixing 30g of poly-gamma-glutamic acid, 15g of polyaspartic acid, 11g of polyacrylamide, 33g of potassium fulvate, 13g of bacillus licheniformis, 13g of bacillus mucilaginosus, 3g of sodium carboxymethylcellulose, 3g of magnesium aluminum silicate, 2g of borax and 2g of ammonium molybdate, and carrying out forming and refining treatment on the obtained mixture to obtain the water-soluble fertilizer synergist with the particle size of 30 mu m.
Example 4
And (2) uniformly mixing 48g of polyaspartic acid, 23g of polyacrylamide, 23g of potassium polyacrylate, 24g of bacillus amyloliquefaciens, 3g of guar gum, 2g of magnesium aluminum silicate and 5g of zinc ammonium phosphate, and carrying out forming and refining treatment on the obtained mixture to obtain the water-soluble fertilizer synergist with the particle size of 35 mu m.
Comparative example 1
30g of poly-gamma-glutamic acid and 15g of polyaspartic acid of example 3 were replaced with 45g of leucine, 3g of sodium carboxymethylcellulose and 3g of magnesium aluminum silicate were replaced with 6g of bentonite, and the other conditions were the same as in example 3.
Comparative example 2
11g of polyacrylamide and 33g of potassium fulvate in example 3 were replaced with 22g of potassium humate and 22g of alginic acid, and 13g of Bacillus licheniformis and 13g of Bacillus mucilaginosus were replaced with 26g of Bacillus laterosporus in example 3, except that the conditions were the same as in example 3.
Comparative example 3
30g of poly-gamma-glutamic acid, 15g of polyaspartic acid, 11g of polyacrylamide, and 33g of potassium fulvate in example 3 were replaced with 20g of poly-gamma-glutamic acid, 10g of polyaspartic acid, and 60g of polyacrylamide, and borax and ammonium molybdate were not added, and other conditions were the same as in example 3.
Dividing the wheat test field into 16 blocks with each block having an area of 67m2The fertilizer synergist of examples 1-4 and comparative examples 1-3 and the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-10-15 are mixed according to the mass ratio of 11:100, the control group is the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-10-15, each example, comparative example and control group corresponds to 2 test fields (the test result is the average value of the 2 test fields), the mixed fertilizer and the compound fertilizer of the control group are respectively applied to the wheat test fields, and 9kg of the mixed fertilizer and the compound fertilizer of the control group are applied to each test field. Examples 1 to 4 correspond to comparative examples 1 to 3, compared with the control groupThe average yield increase and fertilizer utilization improvement rate of the test field (2) are shown in Table 1.
TABLE 1 comparison of test results for different wheat test plots
| Different experimental plots | Increasing yield of wheat | Increase rate of fertilizer utilization |
| Example 1 | 25％ | 190％ |
| Example 2 | 28％ | 220％ |
| Example 3 | 27％ | 225％ |
| Example 4 | 24％ | 210％ |
| Comparative example 1 | 4％ | 40％ |
| Comparative example 2 | 7％ | 60％ |
| Comparative example 3 | 6％ | 50％ |
Dividing the rice test field into 16 blocks, each block having an area of 67m2The fertilizer synergist of the examples 1-4 and the comparative examples 1-3 and the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-20-15 are mixed according to the mass ratio of 9:100, the control group is the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-20-15, each example, comparative example and control group corresponds to 2 test fields (the test result is the average value of 2 test fields), the mixed fertilizer and the compound fertilizer of the control group are respectively applied to the rice test fields, and 9kg of the mixed fertilizer and the compound fertilizer of the control group are applied to each test field. The average yield increase and fertilizer utilization improvement rates of the test fields corresponding to examples 1 to 4 and comparative examples 1 to 3 are shown in table 2, as compared with the control group.
TABLE 2 comparison of test results for different rice test fields
| Different experimental plots | Increasing yield of rice | Increase rate of fertilizer utilization |
| Example 1 | 27％ | 220％ |
| Example 2 | 28％ | 240％ |
| Example 3 | 30％ | 245％ |
| Example 4 | 26％ | 218％ |
| Comparative example 1 | 5％ | 43％ |
| Comparative example 2 | 7％ | 55％ |
| Comparative example 3 | 8％ | 47％ |
The water-soluble fertilizer synergist disclosed in the embodiment 1-4 of the invention has no toxicity, good water solubility, and can reach more than 99%. The water-soluble fertilizer synergist can obviously reduce the fixation rate of soil to nitrogen, phosphorus and potassium fertilizers, greatly improve the utilization rate of the fertilizers and have excellent water and fertilizer retention capacity. The water-soluble fertilizer synergist can also effectively improve soil and obviously improve the yield and quality of crops.
Dividing the tomato test field into 10 blocks with each block having an area of 67m2The fertilizer synergist in the examples 1-4 and the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-15-15 are mixed according to the mass ratio of 10:100, the control group is the compound fertilizer with the nitrogen, phosphorus and potassium content of 20-15-15, each example and the control group correspond to 2 test fields (the test result is the average value of the 2 test fields), the mixed fertilizer and the compound fertilizer of the control group are respectively applied to the tomato test fields, and 9kg of the mixed fertilizer and the compound fertilizer of the control group are applied to each test field. Test examples 1-4 and control group on Botrytis cinereaInhibition rate of diseases, leaf mold, root rot and fusarium wilt.
Test results show that the inhibition rates of the examples 1 to 4 on tomato diseases are respectively 98%, 98.5%, 99% and 98.3%, and the inhibition rate of the control group on tomato diseases is 10%.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The water-soluble fertilizer synergist is characterized by comprising the following components in parts by mass: 40-50 parts of water-soluble amino acid; 40-50 parts of water-soluble organic matters; 20-30 parts of biological bacteria; 3-8 parts of a stabilizer; and 3-6 parts of trace element substances.
2. The water-soluble fertilizer synergist according to claim 1, wherein said water-soluble amino acid comprises poly-gamma-glutamic acid and/or polyaspartic acid.
3. The water-soluble fertilizer synergist according to claim 1 or 2, wherein said water-soluble organic matter comprises one or more of polyacrylamide, potassium fulvate and potassium polyacrylate.
4. The water-soluble fertilizer synergist according to claim 3, wherein said biological bacteria comprises one or more of Bacillus mucilaginosus, Bacillus licheniformis and Bacillus amyloliquefaciens.
5. The water-soluble fertilizer synergist according to claim 4, wherein said stabilizer comprises one or more of guar gum, sodium carboxymethylcellulose, and magnesium aluminum silicate.
6. A water-soluble fertilizer synergist according to claim 4 or 5 wherein said trace element material comprises one or more of borax, manganese sulphate, zinc ammonium phosphate, copper ammonium phosphate and ammonium molybdate.
7. The water-soluble fertilizer synergist according to claim 6, wherein the water-soluble amino acid comprises poly-gamma-glutamic acid and poly-aspartic acid in a mass ratio of 2-3: 1; the water-soluble organic matter comprises polyacrylamide and potassium fulvate in a mass ratio of 1: 2-4.
8. The method for preparing the water-soluble fertilizer synergist of any one of claims 1-7, characterized by comprising the following steps: mixing the components and then carrying out thinning treatment to obtain the water-soluble fertilizer synergist; the particle size of the water-soluble fertilizer synergist is 20-40 mu m.
9. The application method of the water-soluble fertilizer synergist according to any one of claims 1 to 7, characterized in that the water-soluble fertilizer synergist and the fertilizer are mixed in a mass ratio of 5-15: 100 and then applied.
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