CN115124388A - Suspension type organic water-soluble fertilizer containing 2-picolinic acid and preparation method and application thereof - Google Patents
Suspension type organic water-soluble fertilizer containing 2-picolinic acid and preparation method and application thereof Download PDFInfo
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- CN115124388A CN115124388A CN202210896095.4A CN202210896095A CN115124388A CN 115124388 A CN115124388 A CN 115124388A CN 202210896095 A CN202210896095 A CN 202210896095A CN 115124388 A CN115124388 A CN 115124388A
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- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- 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
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- 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
- C05G5/27—Dispersions, e.g. suspensions or emulsions
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Dispersion Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of water-soluble fertilizers, and particularly relates to a 2-picolinic acid-containing suspension type organic water-soluble fertilizer which comprises the following raw materials in parts by weight: 10.0-84.5 parts of base material, 10.0-50.3 parts of organic material, 4.0 parts of 2-picolinic acid and 5.0 parts of alkyl glycoside. The preparation method of the suspension type organic water-soluble fertilizer containing 2-picolinic acid comprises the following steps: (1) putting the base raw materials and the organic materials in the formula ratio into a reaction kettle, and stirring for 1.5-2 hours at 50-60 ℃ to uniformly mix the materials; (2) putting the 2-picolinic acid with the formula amount into a reaction kettle, and stirring for 0.5-1 h at 50-60 ℃ to uniformly mix the 2-picolinic acid and the reaction kettle; (3) adding alkyl glycoside with the formula amount into a reaction kettle, stirring for 20-30 min at 50-60 ℃, and uniformly mixing to obtain the suspension type organic water-soluble fertilizer containing 2-picolinic acid. The application modes of the suspension type organic water-soluble fertilizer containing 2-picolinic acid are seed soaking, foliage spraying and drip irrigation, and the suspension type organic water-soluble fertilizer can promote the root growth of crops, increase the chlorophyll synthesis of the crops and improve the yield of the crops.
Description
Technical Field
The invention belongs to the technical field of water-soluble fertilizers, and particularly relates to a suspension type organic water-soluble fertilizer containing 2-picolinic acid, and a preparation method and application thereof.
Background
With the improvement of the living standard of people in China, the demand of people for green food is more and more, and the fertilizer applied to crops is basically an inorganic fertilizer at present, so that the quality of agricultural products is reduced; in recent years, in order to improve the quality of crops and with the development of water-fertilizer integration technology in China, water-soluble organic fertilizers are gradually paid attention to, and the water-soluble fertilizers have good water solubility and can be more efficiently absorbed by the crops; however, the existing water-soluble fertilizer has the problems of single nutrient composition structure, unreasonable fertilization structure, incapability of considering elements contained in a nitrogenous fertilizer, a phosphate fertilizer, a potash fertilizer and an organic fertilizer, serious waste of nitrogen, phosphorus and potassium, incapability of being completely and uniformly absorbed by crops, low crop yield and quality and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a suspension type organic water-soluble fertilizer containing 2-picolinic acid and a preparation method thereof.
The purpose of the invention is realized by the following steps: a suspension type organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials in parts by weight: 10.0-84.5 parts of base material, 10.0-50.3 parts of organic material, 4.0 parts of 2-picolinic acid and 5.0 parts of alkyl glycoside.
Further, the base material is a water-soluble material or a trace element material.
Further, the water-soluble material is one or more of potassium hydroxide, potassium sulfate, monoammonium phosphate, urea, silicon dioxide, monopotassium phosphate, sodium bicarbonate, sodium bisulfite and potassium formate.
Further, the trace element material is one or more of zinc sulfate and boric acid.
Further, the organic material is one or more of corn steep liquor, xanthan gum, potassium humate, citric acid, amino acid, chitosan oligosaccharide and maltose.
The invention also discloses a preparation method of the suspension type organic water-soluble fertilizer containing 2-picolinic acid, which comprises the following steps:
(1) putting the base raw materials and the organic materials into a reaction kettle according to the formula ratio, and stirring for 1.5-2 hours at 50-60 ℃ to uniformly mix the materials;
(2) putting the 2-picolinic acid with the formula amount into a reaction kettle, and stirring for 0.5-1 h at 50-60 ℃ to uniformly mix the 2-picolinic acid and the reaction kettle;
(3) adding alkyl glycoside with the formula amount into a reaction kettle, stirring for 20-30 min at 50-60 ℃, and uniformly mixing to obtain the suspension type organic water-soluble fertilizer containing 2-picolinic acid.
Further, in the steps (1) to (3), the stirring speed is 200 to 300 r/min.
Furthermore, the application modes of the suspension type organic water-soluble fertilizer containing 2-picolinic acid are seed soaking, foliage spraying and drip irrigation.
Further, the 2-picolinic acid-containing suspended organic water-soluble fertilizer is diluted by 500 times with water before use.
Further, the suspension type organic water-soluble fertilizer containing 2-picolinic acid is applied to promoting the growth of crop roots, increasing the synthesis of chlorophyll of crops and improving the yield of crops.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention discloses a suspension type organic water-soluble fertilizer containing 2-picolinic acid, which can greatly increase the nutrient composition of the water-soluble fertilizer, and the contained nutrient substances can promote the synergistic effect among various elements, improve the absorption and utilization rate of crops, and realize the integration of water and fertilizer, thereby achieving the effects of saving water, fertilizer and labor.
2. The suspended organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials of a base material, an organic material, 2-picolinic acid and alkyl glycoside, wherein the base material is a water-soluble material or a trace element material; the water-soluble material can meet the requirements of crops on nitrogen, phosphorus and potassium, the addition of trace elements and organic matters is favorable for the absorption and transformation of the crops on the fertilizer, and the active substance 2-picolinic acid is a novel plant exogenous stimulating substance, can participate in the regulation of the metabolism of carbohydrate, protein and fat in the plant body through the absorption and utilization of seeds, roots, stems, leaves and fruit surfaces, can reduce the unit usage amount of the fertilizer, improves the quality of the crops and increases the yield of the crops.
3. The suspension type organic water-soluble fertilizer containing 2-picolinic acid disclosed by the invention is diluted by water and then used for soaking the soybean seeds, so that the growth of the root system of the soybean can be promoted; the drip irrigation treatment is carried out on the corn after the corn is diluted by water, so that the synthesis of chlorophyll of the corn can be increased, and the yield of the corn can be improved; the water-thinned watermelon is sprayed to foliage to increase the sugar content and yield of watermelon.
Detailed Description
The present invention is described in more detail below by way of specific embodiments.
Example 1
A suspension type organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials: 100kg of potassium hydroxide, 180kg of potassium sulfate, 280kg of monoammonium phosphate, 270kg of urea, 15kg of silicon dioxide, 500kg of corn steep liquor, 3kg of xanthan gum, 4kg of 2-picolinic acid and 50kg of alkyl glycoside.
Example 2
A suspension type organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials: 350kg of urea, 50kg of monopotassium phosphate, 100kg of potassium humate, 4kg of 2-picolinic acid and 50kg of alkyl glycoside.
Example 3
A suspended organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials: 90kg of zinc sulfate, 10kg of boric acid, 20kg of citric acid, 250kg of amino acid, 4kg of 2-picolinic acid and 50kg of alkyl glycoside.
Example 4
A suspended organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials: 100kg of monopotassium phosphate, 50kg of urea, 10kg of chitosan oligosaccharide, 300kg of maltose, 4kg of 2-picolinic acid and 50kg of alkyl glycoside.
Example 5
A suspension type organic water-soluble fertilizer containing 2-picolinic acid comprises the following raw materials: 50kg of sodium bicarbonate, 100kg of sodium bisulfite, 200kg of potassium formate, 300kg of maltose, 4kg of 2-picolinic acid and 50kg of alkyl glycoside.
Comparative example 1
The organic water-soluble fertilizer of comparative example 1 contained the raw material according to example 1, except that 2-picolinic acid was not added.
Comparative example 2
The organic water-soluble fertilizer of comparative example 2 contained the raw materials according to example 2, except that 2-picolinic acid was not added.
Comparative example 3
The organic water-soluble fertilizer of comparative example 3 contained the raw materials according to example 3, except that 2-picolinic acid was not added.
Comparative example 4
The organic water-soluble fertilizer of comparative example 4 contained the raw materials according to example 4, except that 2-picolinic acid was not added.
Comparative example 5
The organic water-soluble fertilizer of comparative example 5 contained the raw materials according to example 5, except that 2-picolinic acid was not added.
The preparation method of the 2-picolinic acid-containing suspended organic water-soluble fertilizer in the embodiment 1 to 5 comprises the following steps: (1) putting the base raw materials and the organic materials in the formula ratio into a reaction kettle, and stirring for 2 hours at 55 ℃ to uniformly mix the materials; (2) putting the 2-picolinic acid with the formula amount into a reaction kettle, and stirring for 0.5h at 55 ℃ to uniformly mix the 2-picolinic acid and the reaction kettle; (3) adding alkyl glycoside with the formula ratio into a reaction kettle, stirring for 30min at 55 ℃, and uniformly mixing to obtain the suspension type organic water-soluble fertilizer containing 2-picolinic acid.
The preparation method of the organic water-soluble fertilizer comprises the following steps: (1) putting the base raw materials and the organic materials in the formula ratio into a reaction kettle, and stirring for 2 hours at 55 ℃ to uniformly mix the materials; (2) adding alkyl glycoside with the formula ratio into a reaction kettle, stirring for 30min at 55 ℃, and uniformly mixing to obtain the organic water-soluble fertilizer.
Test examples
In order to further test the actual effects of the suspension type organic water-soluble fertilizer containing 2-picolinic acid on the aspects of regulating the root growth of crops, chlorophyll synthesis and crop yield, the inventor conducts further comparative experiments on soybeans, corns and watermelons.
Test example 1
The test name is: experimental study on soybean rooting by using suspension type organic water-soluble fertilizer containing 2-picolinic acid
And (3) test crops: soybean seed
Test time: 2020.6.8-2020.7.19
Test site: simple greenhouse in Huaiyang county in Zhou city
The test conditions are as follows: seven groups of tests are set, wherein the test group adopts the 2-picolinic acid-containing suspended organic water-soluble fertilizer prepared in the example 1, the example 2 and the example 4 of the invention, the control group adopts the organic water-soluble fertilizer prepared in the comparative example 1, the comparative example 2 and the comparative example 4 of the invention, and the blank group adopts clear water. And (3) soaking 200 soybean seeds in each group, sowing after soaking each group for 24 hours, and measuring the rooting condition of the soybean seeds.
The test treatments are shown in table 1:
table 1 test treatment of test example 1
| Group of | Test agent | Dilution factor |
| Test group 1 | Suspended organic Water-soluble Fertilizer containing 2-Picolinic acid (example 1) | 500 |
| Test group 2 | Suspended organic water-soluble fertilizer containing 2-picolinic acid (example 2) | 500 |
| Control group 3 | Suspended organic Water-soluble Fertilizer containing 2-Picolinic acid (example 4) | 500 |
| Control group 1 | Organic Water-soluble Fertilizer (comparative example 1) | 500 |
| Control group 2 | Organic Water-soluble Fertilizer (comparative example 2) | 500 |
| Control group 3 | Organic Water-soluble Fertilizer (comparative example 4) | 500 |
| Blank group | Equal amount of clear water | / |
The determination method comprises the following steps: the rooting rate, the average number of the individual plant roots and the average root length of the soybean seeds are measured, and 50 plants are randomly measured in each group. Wherein, the calculation formulas of the rooting rate, the average root number of the single plant and the average root length are as follows:
and (3) measuring results: rooting of soybeans 20 days after sowing is shown in table 2:
TABLE 2 rooting of soybeans 20 days after sowing
As can be seen from the data in Table 2, after the seeds are soaked and sowed for 20 days by the comparative examples 1, 2 and 4, the rooting rate of the soybean is 18-22%, the average root number of each plant is 0.84-1.06, and the average root length is 0.43-0.49 cm; after the seeds are soaked and sowed for 20 days in the embodiment 1, the embodiment 2 and the embodiment 4 of the invention, the rooting rate of the soybean can reach 38-50%, the average root number of a single plant can reach 1.62-1.84, and the average root length can reach 0.54-0.74 cm; therefore, the suspension type organic water-soluble fertilizer containing the 2-picolinic acid can promote the root growth of the soybeans.
The rooting of soybeans after 40 days of sowing is shown in table 3:
TABLE 3 rooting of soybeans 40 days after sowing
As can be seen from the data in Table 3, after the seeds are soaked and sowed for 40 days by the comparative examples 1, 2 and 4, the rooting rate of the soybean is 50-62%, the average root number of each plant is 2.36-2.66, and the average root length is 1.71-2.02 cm; after the seeds are soaked and sowed for 40 days in the embodiment 1, the embodiment 2 and the embodiment 4 of the invention, the rooting rate of the soybean can reach 78-84%, the average root number of a single plant can reach 3.94-4.22, and the average root length can reach 2.52-2.83 cm; therefore, the suspension type organic water-soluble fertilizer containing the 2-picolinic acid can promote the root growth of the soybeans.
Test example 2
The test name: experimental study on chlorophyll content and yield of corn by using suspension type organic water-soluble fertilizer containing 2-picolinic acid
Test crops: corn (corn)
Test time: 2020.8.1-2020.10.10
Test site: west county Pan farm in Zhou city
The test conditions are as follows: and (3) setting five groups of tests, namely applying 50kg of conventional compound fertilizer to each mu of bottom of the test group, the control group and the blank group, and additionally applying 25kg of corresponding organic water-soluble fertilizer or equal amount of clear water to each mu of bottom of the corn in the large-horn mouth period. Wherein, the test group is drip-irrigated with the 2-picolinic acid-containing suspended organic water-soluble fertilizer prepared in the invention of example 1 and example 3, the control group is drip-irrigated with the organic water-soluble fertilizer prepared in the invention of comparative example 1 and comparative example 3, and the blank group is drip-irrigated with clear water in the same amount. The chlorophyll content (SPAD) of the corn was measured 10 days after drip irrigation and the yield of the corn was measured at harvest time.
The test treatments are shown in table 4:
table 4 test treatment of test example 2
The measurement results are shown in table 5:
table 5 effect of each group of treatments on chlorophyll content and yield of corn
As can be seen from the data in Table 5, the chlorophyll content and the yield of the corn after the application of the 2-picolinic acid-containing suspension type organic water-soluble fertilizer are higher than those of the corn after the application of the 2-picolinic acid-free organic water-soluble fertilizer, and the yield of the corn after the application of the 2-picolinic acid-containing suspension type organic water-soluble fertilizer can reach 40.84-44.90%; therefore, the suspension type organic water-soluble fertilizer containing the 2-picolinic acid can increase the synthesis of chlorophyll of the corn and improve the yield of the corn.
Test example 3
The test name is: experimental research on watermelon yield by using suspension type organic water-soluble fertilizer containing 2-picolinic acid
And (3) test crops: watermelon 8424
Test time: 2021.4.15-2020.6.25
Test site: zhou city Taikang county, chang Yingzhen Gaoshai village
The test conditions are as follows: five groups of tests are set in total, the test group sprays the 2-picolinic acid-containing suspended organic water-soluble fertilizer prepared in the invention example 4 and the example 5 to melon seedlings in the expansion period, the control group sprays the organic water-soluble fertilizer prepared in the invention comparative example 4 and the comparative example 5 to melon seedlings in the expansion period, and the blank group sprays equal amount of clear water. The five tests all adopt foliar spraying for 2 times with 7 days interval each time, and other foliar fertilizer products are not applied in the harvest period, and the yield and the sugar degree of the watermelon are measured in the harvest period.
The test treatments are shown in table 6:
table 6 test treatments of test example 3
| Group of | Foliage spraying | Dilution factor |
| Test group 1 | Suspended organic Water-soluble Fertilizer containing 2-Picolinic acid (example 4) | 400 |
| Test group 2 | Suspended organic Water-soluble Fertilizer containing 2-Picolinic acid (example 5) | 400 |
| Control group 1 | Organic Water-soluble Fertilizer (comparative example 4) | 400 |
| Control group 2 | Organic Water-soluble Fertilizer (comparative example 5) | 400 |
| Blank group | Equal amount of clear water | / |
The measurement results are shown in table 7:
TABLE 7 Effect of treatment on watermelon yield and sugar content per group
As can be seen from the data in the table 7, the sugar degree and the yield of the watermelons sprayed with the 2-picolinic acid-containing suspension type organic water-soluble fertilizer on the leaf surfaces are both higher than those of the watermelons sprayed with the 2-picolinic acid-free organic water-soluble fertilizer on the leaf surfaces, the sugar degree increase rate of the watermelons sprayed with the 2-picolinic acid-containing suspension type organic water-soluble fertilizer on the leaf surfaces reaches 6.78-9.32%, and the yield increase rate reaches 16.69-20.04%; therefore, the suspension type organic water-soluble fertilizer containing the 2-picolinic acid can increase the sugar degree of the watermelons and improve the yield of the watermelons.
The above-described embodiments are merely illustrative of the present invention and are not meant to be limiting, and any obvious modifications thereof which would occur to persons skilled in the art without departing from the spirit and scope of the invention are therefore considered to be within the appended claims.
Claims (10)
1. The suspension type organic water-soluble fertilizer containing 2-picolinic acid is characterized by comprising the following raw materials in parts by weight: 10.0-84.5 parts of base material, 10.0-50.3 parts of organic material, 4.0 parts of 2-picolinic acid and 5.0 parts of alkyl glycoside.
2. The 2-picolinic acid-containing suspended type organic water-soluble fertilizer according to claim 1, wherein the base material is a water-soluble material or a trace element material.
3. The 2-picolinic acid-containing suspended organic water-soluble fertilizer according to claim 2 wherein the water-soluble material is one or more of potassium hydroxide, potassium sulfate, monoammonium phosphate, urea, silica, monopotassium phosphate, sodium bicarbonate, sodium bisulfite, potassium formate.
4. The suspended organic water-soluble fertilizer containing 2-picolinic acid according to claim 2 wherein the trace element material is one or more of zinc sulphate and boric acid.
5. The suspended organic water-soluble fertilizer containing 2-picolinic acid as claimed in claim 1, wherein the organic material is one or more of corn steep liquor, xanthan gum, potassium humate, citric acid, amino acid, chitosan oligosaccharide and maltose.
6. A method for preparing a 2-picolinic acid-containing suspended organic water-soluble fertilizer as described in any one of claims 1 to 5, which comprises the steps of:
(1) putting the base raw materials and the organic materials into a reaction kettle according to the formula ratio, and stirring for 1.5-2 hours at 50-60 ℃ to uniformly mix the materials;
(2) putting the 2-picolinic acid with the formula amount into a reaction kettle, and stirring for 0.5-1 h at 50-60 ℃ to uniformly mix the 2-picolinic acid and the reaction kettle;
(3) adding alkyl glycoside with the formula amount into a reaction kettle, stirring for 20-30 min at 50-60 ℃, and uniformly mixing to obtain the suspension type organic water-soluble fertilizer containing 2-picolinic acid.
7. The method for preparing a 2-picolinic acid-containing suspended type organic water-soluble fertilizer as set forth in claim 6, wherein the stirring speed in steps (1) to (3) is 200 to 300 r/min.
8. The suspended organic water-soluble fertilizer containing 2-picolinic acid according to any one of claims 1 to 5, wherein the suspended organic water-soluble fertilizer containing 2-picolinic acid is applied by seed soaking, foliar spraying or drip irrigation.
9. The suspended organic water-soluble fertilizer containing 2-picolinic acid as set forth in claim 8, wherein the suspended organic water-soluble fertilizer containing 2-picolinic acid is diluted with water at a rate of 300 times to 500 times before use.
10. The suspended organic water-soluble fertilizer containing 2-picolinic acid as claimed in claim 9, wherein the suspended organic water-soluble fertilizer containing 2-picolinic acid is used for promoting root growth of crops, increasing chlorophyll synthesis of crops and improving yield of crops.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1559211A (en) * | 2004-03-05 | 2005-01-05 | 南开大学 | Application of plant growth regulator |
| CN102140048A (en) * | 2011-05-05 | 2011-08-03 | 北京市农林科学院 | Aid-containing trace element foliar fertilizer and preparation method thereof |
| CN109574767A (en) * | 2018-12-28 | 2019-04-05 | 四川国光农化股份有限公司 | A kind of humic acid fertilizer feed composition, humic acid water-soluble fertilizer and its application |
| CN113603530A (en) * | 2021-08-09 | 2021-11-05 | 黑龙江施普丰农业科技有限公司 | Multifunctional organic water liquid fertilizer |
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2022
- 2022-07-27 CN CN202210896095.4A patent/CN115124388A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559211A (en) * | 2004-03-05 | 2005-01-05 | 南开大学 | Application of plant growth regulator |
| CN102140048A (en) * | 2011-05-05 | 2011-08-03 | 北京市农林科学院 | Aid-containing trace element foliar fertilizer and preparation method thereof |
| CN109574767A (en) * | 2018-12-28 | 2019-04-05 | 四川国光农化股份有限公司 | A kind of humic acid fertilizer feed composition, humic acid water-soluble fertilizer and its application |
| CN113603530A (en) * | 2021-08-09 | 2021-11-05 | 黑龙江施普丰农业科技有限公司 | Multifunctional organic water liquid fertilizer |
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