CN115677412B - Fertilizer capable of protecting crop fruit surfaces and preparation method thereof - Google Patents
Fertilizer capable of protecting crop fruit surfaces and preparation method thereof Download PDFInfo
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- CN115677412B CN115677412B CN202211449562.5A CN202211449562A CN115677412B CN 115677412 B CN115677412 B CN 115677412B CN 202211449562 A CN202211449562 A CN 202211449562A CN 115677412 B CN115677412 B CN 115677412B
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- film forming
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- vermiculite
- porous particles
- inorganic porous
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 38
- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 63
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 63
- 239000010455 vermiculite Substances 0.000 claims abstract description 63
- 239000002245 particle Substances 0.000 claims abstract description 48
- 239000002904 solvent Substances 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 235000016709 nutrition Nutrition 0.000 claims abstract description 17
- 239000004615 ingredient Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011591 potassium Substances 0.000 claims description 9
- 229910052700 potassium Inorganic materials 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 8
- 229920002261 Corn starch Polymers 0.000 claims description 8
- 239000004471 Glycine Substances 0.000 claims description 8
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims description 8
- 239000004472 Lysine Substances 0.000 claims description 8
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 235000004279 alanine Nutrition 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 8
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 8
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 8
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 8
- 239000008120 corn starch Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000011777 magnesium Substances 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 8
- 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 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 241000220225 Malus Species 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- 235000021016 apples Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 25
- 239000000126 substance Substances 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000009775 high-speed stirring Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- WTFUTSCZYYCBAY-SXBRIOAWSA-N 6-[(E)-C-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-N-hydroxycarbonimidoyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C/C(=N/O)/C1=CC2=C(NC(O2)=O)C=C1 WTFUTSCZYYCBAY-SXBRIOAWSA-N 0.000 description 1
- 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a fertilizer capable of protecting crop fruit surfaces and a preparation method thereof, and relates to the technical field of fertilizer preparation, wherein the fertilizer comprises the following raw materials in parts by weight: 50-90 parts of nutritional ingredients and 1-10 parts of film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent. According to the invention, the film forming solution of the inorganic porous particles is added, so that on one hand, the film forming solution forms a film rapidly after the solvent volatilizes, so that nutrient substances better act on plant absorption, the loss of the nutrient substances is reduced, and the influence of external environmental pollution on fruit surfaces can be reduced; on the other hand, the porous performance of the inorganic porous particles can improve the air permeability of the membrane, the respiration of plants is guaranteed, and the vermiculite mixture treated by different temperature sections is used as the inorganic porous particles, so that the porous particles not only have rich porous structures, but also have different expansion coefficients, and the fertilizer is ensured to have the function of stably releasing nutrient components at different temperatures.
Description
Technical Field
The invention relates to the technical field of fertilizer preparation, in particular to a fertilizer capable of protecting crop fruit surfaces and a preparation method thereof.
Background
The fertilizer is a substance which can supply nutrients required by the growth and development of crops, improve the soil property and improve the yield and quality of the crops, is generally divided into an organic fertilizer, an inorganic fertilizer and a biological fertilizer, and is usually applied with a nutrition fertilizer when the fruit trees are planted at present so as to enable the fruit trees to have good growth environment.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a fertilizer capable of protecting crop fruit surfaces and a preparation method thereof.
The technical scheme of the invention is as follows:
a fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 50-90 parts of nutritional ingredients and 1-10 parts of film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent.
As a preferred embodiment of the present invention, the nutrient components include peptide solutions, nutrient elements, potassium-containing nutrient solutions, nitrogen-containing nutrient solutions, and phosphorus-containing nutrient solutions.
As a preferred embodiment of the present invention, the solvent is ethanol.
As a preferred embodiment of the present invention, the film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose.
As a preferred embodiment of the invention, the inorganic porous particles are a mixture of vermiculite calcined at different temperatures.
As a preferred embodiment of the invention, the vermiculite mixture has a particle size of 3-20. Mu.m.
As a preferred embodiment of the present invention, the vermiculite mixture comprises a first vermiculite body calcined at 300-500 ℃, a second vermiculite body calcined at 500-700 ℃, and a third vermiculite body calcined at 700-900 ℃.
As a preferable scheme of the invention, the mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:0.1-3:5-8.
The invention also discloses a preparation method of the fertilizer capable of protecting crop fruit surfaces, which comprises the steps of dissolving a film forming agent in a solvent, adding inorganic porous particles, stirring at a high speed, continuously adding nutritional ingredients after stirring, uniformly mixing, and sealing and preserving.
The beneficial effects of the invention are as follows:
according to the fertilizer with the crop fruit surface protection function, the film forming solution of the inorganic porous particles is added, so that on one hand, the film forming solution forms a film rapidly after the solvent volatilizes, so that nutrient substances are better absorbed by plants, the loss of nutrient components is reduced, and the influence of external environmental pollution on the fruit surface can be reduced; on the other hand, the porous performance of the inorganic porous particles can improve the air permeability of the membrane, the respiration of plants is guaranteed, and the vermiculite mixture treated by different temperature sections is used as the inorganic porous particles, so that the porous particles not only have rich porous structures, but also have different expansion coefficients, and the fertilizer is ensured to have the function of stably releasing nutrient components at different temperatures.
Detailed Description
The technical scheme of the invention is further described in the following specific examples.
Example 1
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 90 parts of a nutritional ingredient and 3 parts of a film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The inorganic porous particles are vermiculite mixture calcined at different temperatures.
The particle size of the vermiculite mixture is 5 μm.
The vermiculite mixture comprises a first vermiculite body calcined at 400 ℃, a second vermiculite body calcined at 600 ℃ and a third vermiculite body calcined at 800 ℃, wherein the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1.
The mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:1:5.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
Example 2
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 80 parts of a nutritional ingredient and 3 parts of a film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The inorganic porous particles are vermiculite mixture calcined at different temperatures.
The particle size of the vermiculite mixture was 6 μm.
The vermiculite mixture comprises a first vermiculite body calcined at 450 ℃, a second vermiculite body calcined at 550 ℃ and a third vermiculite body calcined at 850 ℃, wherein the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1.
The mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:0.5:7.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
Example 3
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 85 parts of a nutrient component and 4 parts of a film-forming solution, wherein the film-forming solution comprises a solvent, inorganic porous particles and a film-forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The inorganic porous particles are vermiculite mixture calcined at different temperatures.
The particle size of the vermiculite mixture is 5 μm.
The vermiculite mixture comprises a first vermiculite body calcined at 400 ℃, a second vermiculite body calcined at 650 ℃ and a third vermiculite body calcined at 750 ℃, wherein the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1.
The mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:3:8.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
Example 4
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 66 parts of a nutritional ingredient and 4 parts of a film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The inorganic porous particles are vermiculite mixture calcined at different temperatures.
The particle size of the vermiculite mixture is 10 μm.
The vermiculite mixture comprises a first vermiculite body calcined at 500 ℃, a second vermiculite body calcined at 700 ℃ and a third vermiculite body calcined at 900 ℃, wherein the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1.
The mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:3:5.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
Example 5
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 88 parts of a nutrient component and 9 parts of a film-forming solution, wherein the film-forming solution comprises a solvent, inorganic porous particles and a film-forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The inorganic porous particles are vermiculite mixture calcined at different temperatures.
The particle size of the vermiculite mixture is 10 μm.
The vermiculite mixture comprises a first vermiculite body calcined at 500 ℃, a second vermiculite body calcined at 700 ℃ and a third vermiculite body calcined at 900 ℃, wherein the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1.
The mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:3:8.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
Comparative example 1 (no film forming solution)
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 88 parts of nutrient components,
the nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
Comparative example 2 (inorganic porous particle-free)
A fertilizer capable of protecting crop fruit surfaces comprises the following raw materials in parts by weight: 88 parts of a nutrient component and 9 parts of a film-forming solvent, wherein the film-forming solution comprises a solvent and a film-forming agent.
The nutritional ingredients include 15wt% glycine, 3wt% alanine 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
The solvent is ethanol.
The film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1.
The mass ratio of the solvent to the film forming agent is 10:8.
A process for preparing the fertilizer used to protect the fruit surface of crops includes such steps as dissolving film-forming agent in solvent, adding inorganic porous particles, high-speed stirring, adding nutrients, mixing, and sealing.
The fertilizer prepared in the examples and the comparative examples is applied to the apples without bagging, and is specifically sprayed on the leaves of the apples in the period of expansion, diluted 100 times, and applied in an amount of 250g per plant for 3-4 times at intervals of 25-30 days. The yield increase of each sample was recorded with the yield of comparative example 1 as a standard 1, as specified in the following table.
| Sample preparation | Yield enhancement | Apple appearance |
| Example 1 | 4 | The peel is bright and clean, has no crack and has bright color |
| Example 2 | 4 | The peel is bright and clean, has no crack and has bright color |
| Example 3 | 4 | The peel is bright and clean, has no crack and has bright color |
| Example 4 | 4 | The peel is bright and clean, has no crack and has bright color |
| Example 5 | 4 | The peel is bright and clean, has no crack and has bright color |
| Comparative example 1 | 1 | The peel has a small amount of cracks and a small amount of dull color |
| Comparative example 2 | 2.5 | The peel has more cracks and most of dull color |
As can be seen from the above table, the crop peel of the examples is bright and clean and has no cracks, and the main reasons are probably as follows: the inorganic porous particles are added into the film forming solution, so that the film forming solution forms a film rapidly after the solvent volatilizes, nutrient substances better act on plants to absorb, loss of nutrient components is reduced, the porous performance of the inorganic porous particles can improve the air permeability of the film to ensure respiration of the plants, and the vermiculite mixture treated at different temperature sections is adopted as the inorganic porous particles, so that the inorganic porous particles have rich porous structures and different expansion coefficients to ensure that the fertilizer has the effect of stably releasing the nutrient components at different temperatures.
The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.
The foregoing is only a preferred embodiment of the present invention, and all technical solutions for achieving the object of the present invention by substantially the same means are included in the scope of the present invention.
Claims (3)
1. The application of the fertilizer for protecting the fruit surfaces of crops is characterized in that the fertilizer is used for protecting the fruit surfaces of apples, so that apple peel is bright and clean and has no cracks and bright color;
the fertilizer comprises the following raw materials in parts by weight: 50-90 parts of nutritional ingredients and 1-10 parts of film forming solution, wherein the film forming solution comprises a solvent, inorganic porous particles and a film forming agent;
the inorganic porous particles are vermiculite mixture calcined at different temperatures; the granularity of the vermiculite mixture is 3-20 mu m; the vermiculite mixture comprises a first vermiculite body calcined at 300-500 ℃, a second vermiculite body calcined at 500-700 ℃ and a third vermiculite body calcined at 700-900 ℃;
the mass ratio of the first vermiculite body to the second vermiculite body to the third vermiculite body is 1:1:1;
the solvent is ethanol;
the film forming agent comprises polyvinyl alcohol, corn starch and carboxymethyl cellulose in a mass ratio of 3:1:1;
the mass ratio of the solvent to the inorganic porous particles to the film forming agent is 10:0.1-3:5-8;
the application method of the fertilizer comprises the following steps: the fertilizer is applied to the apples without the bags, and is specifically sprayed on leaf surfaces in the period of expansion of the apples, diluted by 100 times, and applied for 3-4 times with the spraying amount of 250g per plant, and each time is spaced for 25-30 days.
2. The use according to claim 1, wherein the nutritional ingredients comprise 15wt% glycine, 3wt% alanine, 2wt% lysine, 15wt% nitrogen, 11wt% phosphorus, 10wt% potassium, 2wt% calcium, 2wt% magnesium, 1.2wt% sulfur, 0.8wt% manganese, 0.9wt% boron, 0.5wt% iron, 0.6wt% zinc, the balance being added with water to 100wt%.
3. The use according to claim 1 or 2, wherein the fertilizer is prepared by the process of: dissolving the film forming agent in a solvent, adding inorganic porous particles, stirring at high speed, continuously adding nutritional ingredients after stirring, uniformly mixing, and sealing and preserving.
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| CN115677412B true CN115677412B (en) | 2024-02-23 |
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