CN114163269A - Amino acid-containing water-soluble fertilizer and preparation method and application thereof - Google Patents
Amino acid-containing water-soluble fertilizer and preparation method and application thereof Download PDFInfo
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- 150000001413 amino acids Chemical class 0.000 title claims abstract description 96
- 239000003337 fertilizer Substances 0.000 title claims abstract description 86
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 150000005846 sugar alcohols Chemical class 0.000 claims abstract description 19
- 239000011575 calcium Substances 0.000 claims abstract description 13
- 239000011701 zinc Substances 0.000 claims abstract description 13
- 239000002738 chelating agent Substances 0.000 claims abstract description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052796 boron Inorganic materials 0.000 claims abstract description 10
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 239000000618 nitrogen fertilizer Substances 0.000 claims abstract description 7
- 239000002686 phosphate fertilizer Substances 0.000 claims abstract description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011591 potassium Substances 0.000 claims abstract description 5
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 5
- 235000001014 amino acid Nutrition 0.000 claims description 90
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 47
- 238000003756 stirring Methods 0.000 claims description 41
- 239000004475 Arginine Substances 0.000 claims description 23
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 23
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 claims description 23
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 claims description 23
- ROHFNLRQFUQHCH-UHFFFAOYSA-N Leucine Natural products CC(C)CC(N)C(O)=O ROHFNLRQFUQHCH-UHFFFAOYSA-N 0.000 claims description 23
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 claims description 23
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 claims description 23
- 235000013922 glutamic acid Nutrition 0.000 claims description 23
- 239000004220 glutamic acid Substances 0.000 claims description 23
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 15
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 239000006012 monoammonium phosphate Substances 0.000 claims description 15
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 15
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 15
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 15
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 15
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 15
- ZHJGWYRLJUCMRT-UHFFFAOYSA-N 5-[6-[(4-methylpiperazin-1-yl)methyl]benzimidazol-1-yl]-3-[1-[2-(trifluoromethyl)phenyl]ethoxy]thiophene-2-carboxamide Chemical compound C=1C=CC=C(C(F)(F)F)C=1C(C)OC(=C(S1)C(N)=O)C=C1N(C1=C2)C=NC1=CC=C2CN1CCN(C)CC1 ZHJGWYRLJUCMRT-UHFFFAOYSA-N 0.000 claims description 14
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 claims description 14
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 14
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 14
- 239000004327 boric acid Substances 0.000 claims description 14
- 239000012452 mother liquor Substances 0.000 claims description 14
- 229940118149 zinc sulfate monohydrate Drugs 0.000 claims description 14
- RNZCSKGULNFAMC-UHFFFAOYSA-L zinc;hydrogen sulfate;hydroxide Chemical compound O.[Zn+2].[O-]S([O-])(=O)=O RNZCSKGULNFAMC-UHFFFAOYSA-L 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 230000021749 root development Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229940072033 potash Drugs 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 230000002786 root growth Effects 0.000 claims 1
- 230000012010 growth Effects 0.000 abstract description 17
- 238000011161 development Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 230000000442 meristematic effect Effects 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 241000196324 Embryophyta Species 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000227653 Lycopersicon Species 0.000 description 2
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 238000003786 synthesis reaction Methods 0.000 description 2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 108010064851 Plant Proteins Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229930002875 chlorophyll Natural products 0.000 description 1
- 235000019804 chlorophyll Nutrition 0.000 description 1
- 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 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
Abstract
The invention relates to the technical field of water soluble fertilizers, in particular to an amino acid-containing water soluble fertilizer and a preparation method and application thereof, wherein the amino acid-containing water soluble fertilizer comprises the following steps: 9.0 to 20.0 percent of amino acid, 0.5 to 4.0 percent of nitrogen fertilizer counted by N and P as phosphate fertilizer2O50.5-4.0% of potassium fertilizer calculated by K20.5 to 4.0 percent of O, 0.05 to 0.20 percent of boron fertilizer counted by B, 0.05 to 0.20 percent of zinc fertilizer counted by Zn, 0.5 to 2 percent of calcium fertilizer counted by Ca, 1.0 to 5.0 percent of sugar alcohol chelating agent and the balance of water. The water-soluble fertilizer can promote the development and growth of root systems by adopting amino acid, the compound of the amino acid and zinc fertilizer, boron fertilizer and calcium fertilizer is more beneficial to the meristematic growth of the root systems and the hardening of new growth tissues, so as to promote the healthy growth of the root systems, and the compound of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer promotes the growth of the root systems and crops, thereby improving the yield of the crops.
Description
Technical Field
The invention relates to the technical field of water soluble fertilizers, and particularly relates to an amino acid-containing water soluble fertilizer and a preparation method and application thereof.
Background
Amino acids are the smallest organic structures of proteins in all organisms (plants, animals), and multiple amino acid molecules are linked to each other to form polypeptides, which then undergo spatial folding to form proteins. The amino acid water-soluble fertilizer is literally a fertilizer containing amino acid molecules, and can be directly absorbed by plant roots, stems and leaves and other parts, which is the basis for agricultural application. It can increase chlorophyll content in plant, raise enzyme activity, promote carbon dioxide permeation, and make photosynthesis more vigorous, and has important functions of raising crop quality and increasing Vc and sugar content. The amino acid as the smallest molecular structure of protein can be absorbed by each organ of plant, and the obvious effect can be observed in a short period after the application. After absorption, the plant protein can directly participate in the synthesis process of protein, vitamin and carbohydrate of plants without photosynthesis, so that the synthesis of organic matters of the plants is increased, the expansion and the sweetening are promoted, the precocity of crops is promoted, the growth cycle is shortened, the quality of the crops is improved, for example, the protein content of grains is increased, various fruits expand quickly, the taste is good, the cotton velvet quality is good, the fiber is long, the vegetable palatability is good, and the like. The amino acid water-soluble fertilizer has wide effects and various types when in use, but lacks products which can promote the growth and development of roots.
Disclosure of Invention
Aiming at the technical problem that the roots of crops in the prior art cannot grow rapidly, the invention provides the amino acid-containing water-soluble fertilizer, and the preparation method and the application thereof, which can regulate and promote the development and growth of the roots of the crops and improve the yield of the crops.
In a first aspect, the invention provides an amino acid-containing water soluble fertilizer, which comprises the following components in percentage by weight: 9.0 to 20.0 percent of amino acid, 0.5 to 4.0 percent of nitrogen fertilizer counted by N and P as phosphate fertilizer2O50.5-4.0% of potassium fertilizer calculated by K20.5 to 4.0 percent of O, 0.05 to 0.20 percent of boron fertilizer counted by B, 0.05 to 0.20 percent of zinc fertilizer counted by Zn, 0.5 to 2 percent of calcium fertilizer counted by Ca, and sugar alcohol chelating agent1.0-5.0 percent and the balance of water.
Furthermore, the amino acid is a mixed amino acid containing arginine, leucine, glutamic acid and proline, and the weight sum of the arginine, the leucine, the glutamic acid and the proline accounts for 80.0-100% of the mixed amino acid.
Furthermore, the amino acid is a mixed amino acid consisting of arginine, leucine, glutamic acid and proline, and each amino acid accounts for 10.0-70.0% of the weight of the mixed amino acid.
In a second aspect, the invention provides a preparation method of an amino acid-containing water soluble fertilizer, which comprises the following steps:
(1) adding a nitrogen fertilizer, a phosphate fertilizer and a potash fertilizer into one part of water, stirring and dissolving to form NPK mother liquor for later use;
(2) and (2) adding the sugar alcohol chelating agent into the other part of water, heating, adding the calcium fertilizer, stirring and preserving heat, adding the amino acid, stirring and preserving heat, adding the boron fertilizer and the zinc fertilizer, continuously stirring and preserving heat, adding the NPK mother liquor prepared in the step (1), and uniformly mixing to obtain the product.
Further, in the step (2), the temperature is increased to 50-60 ℃.
Further, adding a calcium fertilizer in the step (2), stirring and preserving heat for 0.5-2 hours; after amino acid is added, stirring and preserving heat for 0.5-2 h; adding a boron fertilizer and a zinc fertilizer, stirring and preserving heat for 1-2 hours.
And (3) further, uniformly mixing in the step (2), and cooling to 20-40 ℃ for filtering.
As a preferred technical scheme, the preparation method of the amino acid-containing water soluble fertilizer specifically comprises the following steps:
(1) adding monoammonium phosphate, monopotassium phosphate and potassium hydroxide into one part of water, dissolving and reacting for 0.5-1 h, adding urea, stirring and dissolving for 0.5-1 h to prepare NPK mother liquor for later use;
(2) and (3) heating the alcohol chelating agent in the other part of water to 50-60 ℃, adding calcium nitrate tetrahydrate, stirring and preserving heat for 0.5-2 h, adding amino acid, stirring and preserving heat for 0.5-2 h, sequentially adding boric acid and zinc sulfate monohydrate, continuing to preserve heat and stir for 1-2 h, adding the NPK mother liquor prepared in the step (1), uniformly mixing, cooling to 20-40 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
In a third aspect, the invention provides an application of an amino acid-containing water-soluble fertilizer in promoting the development and growth of crop roots, and the amino acid-containing water-soluble fertilizer can be applied by flushing to quickly promote the development and growth of crops.
The water-soluble fertilizer has the beneficial effects that the amino acid adopted by the water-soluble fertilizer is easy to absorb and can promote the development and growth of root systems, the effect of the amino acid is optimal by adopting the mixed amino acid of arginine, leucine, glutamic acid and proline, the amino acid is more beneficial to the meristematic growth of the root systems and the hardening of new growth tissues after being compounded with the zinc fertilizer, the boron fertilizer and the calcium fertilizer, so that the healthy growth of the root systems is promoted, and the nitrogen fertilizer, the phosphorus fertilizer and the potassium fertilizer are compounded to promote the growth of the root systems of crops and the crops, so that the yield of the crops is increased.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The amino acid water-soluble fertilizer comprises the following components in percentage by weight:
take the preparation of 100 g of sample as an example: arginine, leucine, glutamic acid, proline each 2.6 g, monoammonium phosphate 1 g, monopotassium phosphate 1 g, potassium hydroxide 1 g, urea 2 g, sugar alcohol 1 g, calcium nitrate tetrahydrate 4 g, boric acid 0.5 g, zinc sulfate monohydrate 0.2 g, and water 78.9 g.
The preparation method of the amino acid water-soluble fertilizer comprises the following steps:
firstly, adding 1 g of monoammonium phosphate, 1 g of monopotassium phosphate and 1 g of potassium hydroxide into 20 g of water, dissolving and reacting for 0.7 hour, then adding 2 g of urea, and stirring to form NPK mother liquor for later use. Adding 1 g of sugar alcohol chelating agent into 58.9 g of water, heating to 55 ℃, adding 4 g of calcium nitrate tetrahydrate, stirring and preserving heat for 1 hour, then adding 2.6 g of glutamic acid, arginine, leucine and proline respectively, stirring and preserving heat for 1 hour, then sequentially adding 0.5 g of boric acid and 0.2 g of zinc sulfate monohydrate, continuing preserving heat and stirring for 1.5 hours, adding the prepared NPK mother solution, uniformly mixing, cooling to 30 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
Example 2
The amino acid water-soluble fertilizer comprises the following components in percentage by weight:
take the preparation of 100 g of sample as an example: 2.1 g of arginine, 2.1 g of leucine, 2.1 g of glutamic acid, 14.5 g of proline, 1 g of monoammonium phosphate, 1 g of monopotassium phosphate, 1 g of potassium hydroxide, 2 g of urea, 5 g of sugar alcohol, 4 g of calcium nitrate tetrahydrate, 0.5 g of boric acid, 0.2 g of zinc sulfate monohydrate and 68.5 g of water.
The preparation method of the amino acid water-soluble fertilizer comprises the following steps:
firstly, adding 1 g of monoammonium phosphate, 1 g of monopotassium phosphate and 1 g of potassium hydroxide into 20 g of water, adding 2 g of urea after 0.5-hour dissolution reaction, and stirring and dissolving for 0.5 hour to form NPK mother liquor for later use. Adding 1 g of sugar alcohol chelating agent into 48.5 g of water, heating to 50 ℃, adding 4 g of calcium nitrate tetrahydrate, stirring and preserving heat for 0.5 hour, then adding 2.1 g of arginine, 2.1 g of leucine, 2.1 g of glutamic acid and 14.5 g of proline, stirring and preserving heat for 0.5 hour, then sequentially adding 0.5 g of boric acid and 0.2 g of zinc sulfate monohydrate, continuously preserving heat and stirring for 1 hour, adding the prepared NPK mother solution, uniformly mixing, cooling to 20 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
Example 3
The amino acid water-soluble fertilizer comprises the following components in percentage by weight:
take the preparation of 100 g of sample as an example: 1.1 g of arginine, 6.9 g of leucine, 1.1 g of glutamic acid, 1.1 g of proline, 3.7 g of monoammonium phosphate, 3.7 g of monopotassium phosphate, 3.7 g of potassium hydroxide, 8 g of urea, 5 g of sugar alcohol, 13 g of calcium nitrate tetrahydrate, 1.2 g of boric acid, 0.6 g of zinc sulfate monohydrate and 50.7 g of water.
The preparation method of the amino acid water-soluble fertilizer comprises the following steps:
firstly, adding 1 g of monoammonium phosphate, 3.7 g of monopotassium phosphate and 3.7 g of potassium hydroxide into 20 g of water, carrying out dissolution reaction for 0.5-1 hour, then adding 8 g of urea, and stirring and dissolving for 1 hour to form NPK mother liquor for later use. Adding 5 g of sugar alcohol chelating agent into 30.7 g of water, heating to 60 ℃, adding 13 g of calcium nitrate tetrahydrate, stirring and preserving heat for 2 hours, then adding 1.1 g of arginine, 6.9 g of leucine, 1.1 g of glutamic acid and 1.1 g of proline, stirring and preserving heat for 2 hours, sequentially adding 1.2 g of boric acid and 0.6 g of zinc sulfate monohydrate, continuing to preserve heat and stir for 2 hours, adding the prepared NPK mother solution, uniformly mixing, cooling to 40 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
Example 4
The amino acid water-soluble fertilizer comprises the following components in percentage by weight:
take the preparation of 100 g of sample as an example: 2.4 g of arginine, 3.0 g of leucine, 1.5 g of glutamic acid, 3.5 g of proline, 12 g of plant source amino acid (the content of amino acid is 25.0 percent), 1 g of monoammonium phosphate, 1 g of monopotassium phosphate, 1 g of potassium hydroxide, 3 g of urea, 2 g of sugar alcohol, 5 g of calcium nitrate tetrahydrate, 0.5 g of boric acid, 0.2 g of zinc sulfate monohydrate and 64.7 g of water.
The preparation method of the amino acid water-soluble fertilizer comprises the following steps:
firstly, adding 1 g of monoammonium phosphate, 1 g of monopotassium phosphate and 1 g of potassium hydroxide into 20 g of water, adding 2 g of urea after dissolving and reacting for 1 hour, and stirring and dissolving for 0.6 hour to form NPK mother liquor for later use. Adding 1 g of sugar alcohol chelating agent into 44.7 g of water, heating to 52 ℃, adding 4 g of calcium nitrate tetrahydrate, stirring and preserving heat for 1.2 hours, then adding 3.6 g of arginine, 3.0 g of leucine, 2.0 g of glutamic acid, 4.0 g of proline and 12 g of plant source amino acid, stirring and preserving heat for 1.3 hours, then sequentially adding 0.5 g of boric acid and 0.2 g of zinc sulfate monohydrate, continuously preserving heat and stirring for 1.3 hours, adding the prepared NPK mother solution, uniformly mixing, cooling to 30 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
Example 5
The amino acid water-soluble fertilizer comprises the following components in percentage by weight:
take the preparation of 100 g of sample as an example: 3.6 g of arginine, 3.0 g of leucine, 2.0 g of glutamic acid, 4.0 g of proline, 10 g of animal-derived amino acid (the content of amino acid is 20.0 percent), 1.0 g of monoammonium phosphate, 1.2 g of monopotassium phosphate, 1 g of potassium hydroxide, 2 g of urea, 1 g of sugar alcohol, 4 g of calcium nitrate tetrahydrate, 0.5 g of boric acid, 0.2 g of zinc sulfate monohydrate and 65.7 g of water.
The preparation method of the amino acid water-soluble fertilizer comprises the following steps:
firstly, adding 1 g of monoammonium phosphate, 1.2 g of monopotassium phosphate and 1 g of potassium hydroxide into 20 g of water, adding 3 g of urea after the dissolution reaction is carried out for 0.6 hour, and stirring and dissolving for 0.7 hour to form NPK mother liquor for later use. Adding 2 g of sugar alcohol chelating agent into 45.7 of water, heating to 56 ℃, adding 4 g of calcium nitrate tetrahydrate, stirring and preserving heat for 0.8 hour, then adding 3.6 g of arginine, 3.0 g of leucine, 2.0 g of glutamic acid, 4.0 g of proline and 12 g of plant source amino acid, stirring and preserving heat for 0.5-2 hours, then sequentially adding 0.5 g of boric acid and 0.2 g of zinc sulfate monohydrate, continuously preserving heat and stirring for 1.1 hour, adding the prepared NPK mother liquor, uniformly mixing, cooling to 26 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
Comparative examples 1 to 4 are comparative based on example 1.
Comparative example 1
Take the preparation of 100 g of sample as an example: 40 g of plant source amino acid (the content of the amino acid is 25 percent), 1 g of monoammonium phosphate, 1 g of monopotassium phosphate, 1 g of potassium hydroxide, 2 g of urea, 1 g of sugar alcohol, 4 g of calcium nitrate tetrahydrate, 0.5 g of boric acid, 0.2 g of zinc sulfate monohydrate and 49.3 g of water.
Comparative example 2
Take the preparation of 100 g of sample as an example: 52 g of animal-derived amino acid (the content of the amino acid is 20 percent), 1 g of monoammonium phosphate, 1 g of monopotassium phosphate, 1 g of potassium hydroxide, 2 g of urea, 1 g of sugar alcohol, 4 g of calcium nitrate tetrahydrate, 0.5 g of boric acid, 0.2 g of zinc sulfate monohydrate and 37.3 g of water.
Comparative example 3
Take the preparation of 100 g of sample as an example: arginine, leucine, glutamic acid, proline each 2.6 g, monoammonium phosphate 1 g, monopotassium phosphate 1 g, potassium hydroxide 1 g, urea 2 g, sugar alcohol 1 g, and water 83.6 g.
Comparative example 4
Take the preparation of 100 g of sample as an example: arginine, leucine, glutamic acid, proline each 2.6 g, water 89.6 g.
The contents of various free amino acids in the plant-derived amino acids and the animal-derived amino acids used in the above examples and comparative examples are shown in Table 1.
TABLE 1 amino acid content profile of plant and animal origin
The sample detection conditions of the amino acid water-soluble fertilizer prepared in the above examples are shown in table 2.
TABLE 2 data of samples of water-soluble fertilizers of amino acids obtained in examples 1 to 5
As can be seen from Table 2, the combination of the detection of each sample meets the standard requirement of amino acid water solubility.
The field bioassay verification is carried out by using samples prepared in the above examples and comparative examples, 3 times of repetition are set for each experiment, each time of repetition is 20 square meters, the first watering and water application is carried out 3 days after the field planting of the tomatoes, the watering and water application is carried out once every 7-10 days, the application is carried out 3 times continuously, other fertilizing and water application and pesticide operation are completely consistent, the first data acquisition is carried out 10 days after the third watering and water application, the yield is recorded after each picking in the later period, and the yield is counted after all fruits are picked. The experimental conditions are shown in Table 3.
TABLE 3 field tomato test conditions
In table 3, the "star" simulation in the development of the root system represents the length of the root system, i.e., the larger the number of the "star" is, the longer the root system is, the better the development of the root system is.
As can be seen from table 3, in comparative example 1 and comparative example 2, in the case of the rest of the formula weight percentage, after the four amino acids of arginine, leucine, glutamic acid and proline in example 1 are replaced by plant-derived amino acid or animal-derived amino acid, the plant height is obviously reduced, and the root development situation is inferior to that of example 1, which indicates that the compounding of the four amino acids of arginine, leucine, glutamic acid and proline in the water-soluble fertilizer is beneficial to the root development of crops and the growth of plants.
As can be seen from the comparative example 3 in the table 3, the water soluble fertilizer formula does not contain trace elements of boron, calcium and zinc, the plant height is obviously reduced, and the root development condition is inferior to that of the example 1, which shows that the compounding of four amino acids of arginine, leucine, glutamic acid and proline and the trace elements is beneficial to the root development of crops and the growth of plants.
As can be seen from comparative example 4 in Table 3, the water soluble fertilizer containing only four amino acids of arginine, leucine, glutamic acid and proline is inferior to that of example 1 in terms of crop growth and root system development, which indicates that the water soluble fertilizer containing only four amino acids has poor effect and needs to be compounded with other elements to promote crop growth and root system development.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention.
Claims (9)
1. The amino acid-containing water soluble fertilizer is characterized by comprising the following components in percentage by weight: 9.0 to 20.0 percent of amino acid, 0.5 to 4.0 percent of nitrogen fertilizer counted by N and 0.5 to 4.0 percent of phosphate fertilizer counted by phosphate fertilizerP2O50.5-4.0% of potassium fertilizer calculated by K20.5 to 4.0 percent of O, 0.05 to 0.20 percent of boron fertilizer counted by B, 0.05 to 0.20 percent of zinc fertilizer counted by Zn, 0.5 to 2 percent of calcium fertilizer counted by Ca, 1.0 to 5.0 percent of sugar alcohol chelating agent and the balance of water.
2. The amino acid-containing water-soluble fertilizer as claimed in claim 1, wherein the amino acid is a mixed amino acid comprising arginine, leucine, glutamic acid and proline, and the total weight of arginine, leucine, glutamic acid and proline is 80.0-100% of the mixed amino acid.
3. The amino acid-containing water-soluble fertilizer as claimed in claim 1, wherein the amino acid is a mixed amino acid consisting of arginine, leucine, glutamic acid and proline, and each amino acid accounts for 10.0-70.0% of the weight of the mixed amino acid.
4. A method for preparing the amino acid-containing water-soluble fertilizer as claimed in claim 1, which comprises the following steps:
(1) adding a nitrogen fertilizer, a phosphate fertilizer and a potash fertilizer into one part of water, stirring and dissolving to form NPK mother liquor for later use;
(2) and (2) adding the sugar alcohol chelating agent into the other part of water, heating, adding the calcium fertilizer, stirring and preserving heat, then adding the amino acid, stirring and preserving heat, then adding the boron fertilizer and the zinc fertilizer, continuing stirring and preserving heat, adding the NPK mother liquor prepared in the step (1), and uniformly mixing to obtain the product.
5. The method for preparing the amino acid-containing water-soluble fertilizer as claimed in claim 4, wherein the temperature in the step (2) is raised to 50-60 ℃.
6. The preparation method of the amino acid-containing water soluble fertilizer as claimed in claim 4, wherein the calcium fertilizer is added in the step (2), and then the mixture is stirred and kept warm for 0.5-2 h; after amino acid is added, stirring and preserving heat for 0.5-2 h; adding a boron fertilizer and a zinc fertilizer, stirring and preserving heat for 1-2 hours.
7. The preparation method of the amino acid-containing water soluble fertilizer as claimed in claim 4, wherein the filtering is performed after the temperature is reduced to 20-40 ℃ after the uniform mixing in the step (2).
8. The method for preparing the amino acid-containing water-soluble fertilizer as claimed in claim 4, which comprises the following steps:
(1) adding monoammonium phosphate, monopotassium phosphate and potassium hydroxide into one part of water, dissolving and reacting for 0.5-1 h, adding urea, stirring and dissolving for 0.5-1 h to prepare NPK mother liquor for later use;
(2) and (2) adding the sugar alcohol chelating agent into the other part of water, heating to 50-60 ℃, adding calcium nitrate tetrahydrate, stirring and preserving heat for 0.5-2 h, then adding amino acid, stirring and preserving heat for 0.5-2 h, then sequentially adding boric acid and zinc sulfate monohydrate, continuing preserving heat and stirring for 1-2 h, adding the NPK mother liquor prepared in the step (1), uniformly mixing, cooling to 20-40 ℃, and filtering to obtain the amino acid water-soluble fertilizer.
9. Use of the amino acid-containing water-soluble fertilizer as claimed in claim 1 for promoting root development and growth of crops.
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| CN106883056A (en) * | 2017-04-28 | 2017-06-23 | 四川安达农森科技股份有限公司 | One kind is enlarged afforested area anti-early ageing liquid fertilizer |
| CN107056500A (en) * | 2017-06-07 | 2017-08-18 | 四川安达农森科技股份有限公司 | One kind promotes photosynthesis liquid fertilizer |
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| CN106883056A (en) * | 2017-04-28 | 2017-06-23 | 四川安达农森科技股份有限公司 | One kind is enlarged afforested area anti-early ageing liquid fertilizer |
| CN107056500A (en) * | 2017-06-07 | 2017-08-18 | 四川安达农森科技股份有限公司 | One kind promotes photosynthesis liquid fertilizer |
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| CN115650790A (en) * | 2022-10-14 | 2023-01-31 | 上海农乐生物制品股份有限公司 | Amino acid water-soluble fertilizer and preparation method and application thereof |
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