CN112552118A - Selenium-rich foliar fertilizer and preparation method and application thereof - Google Patents
Selenium-rich foliar fertilizer and preparation method and application thereof Download PDFInfo
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- CN112552118A CN112552118A CN202110001186.2A CN202110001186A CN112552118A CN 112552118 A CN112552118 A CN 112552118A CN 202110001186 A CN202110001186 A CN 202110001186A CN 112552118 A CN112552118 A CN 112552118A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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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
- 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
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- Organic Chemistry (AREA)
- Soil Sciences (AREA)
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Abstract
The invention is applicable to the technical field of agriculture, and provides a selenium-rich foliar fertilizer and a preparation method and application thereof, wherein the selenium-rich foliar fertilizer comprises the following raw materials in percentage by weight: 5-15% of selenium-enriched yeast, 5-10% of calcium citrate, 2-5% of zinc sulfate, 1-3% of manganese sulfate, 2-5% of magnesium sulfate, 2-5% of ammonium molybdate, 2-5% of yeast chromium, 2-5% of sodium iron ethylene diamine tetraacetate, 2-5% of copper sulfate, 2-5% of aluminum potassium sulfate, 10-50% of potassium nitrate, 2-23% of potassium dihydrogen phosphate, 2-5% of borax and 0.5-1% of dispersing agent. The selenium-enriched yeast is used as a source of selenium element of agricultural crops, can be directly eaten, has the characteristics of safety, easy absorption, effectiveness, less pollution and the like, and can solve the technical problems that the conventional selenium-supplementing fertilizer has high toxicity and can not be directly eaten; the selenium and aluminum potassium sulfate are matched, the pesticide has the effect of a bactericide, can effectively kill insects and bacteria, and can solve the problems that the preservation time is shortened and the agricultural crops are easy to rot due to excessive bacteria and insects on the agricultural crops which cannot be radically treated by the existing pesticide.
Description
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to a selenium-rich foliar fertilizer as well as a preparation method and application thereof.
Background
Human diet safety determines human health, and the source for solving human health is soil fertilizer.
At present, the following troubles exist in agricultural planting: soil nutrient deficiency disease, wherein 73 percent of the soil in China is deficient in selenium element, which causes low content of selenium element in planted crops. Selenium cannot be synthesized in a human body, so the selenium needs to be supplemented every day to meet the requirement of the human body on selenium, and the deficiency of selenium element in crops directly causes low selenium intake in the human body and selenium deficiency.
In order to supplement selenium element, inorganic selenium fertilizer containing sodium selenate, sodium selenite and the like with high toxicity is mostly sprayed at present, and in order to reduce the number of bacteria and insects on agricultural crops, pesticide for deinsectization and sterilization is also sprayed.
Therefore, the existing fertilizer for supplementing the selenium element has high toxicity and can not be directly eaten; the pesticide is required to be matched with pesticide for deinsectization and sterilization, the efficacy is single, and the problems that the preservation time is shortened and the pesticide is easy to rot due to too many fungus and insects on the agricultural crops which cannot be radically treated by the pesticide at present are solved.
Disclosure of Invention
The embodiment of the invention aims to provide a selenium-rich foliar fertilizer, aiming at solving the technical problems in the background technology.
The embodiment of the invention is realized in such a way that the selenium-rich foliar fertilizer comprises the following raw materials in percentage by weight: 5-15% of selenium-enriched yeast, 5-10% of calcium citrate, 2-5% of zinc sulfate, 1-3% of manganese sulfate, 2-5% of magnesium sulfate, 2-5% of ammonium molybdate, 2-5% of yeast chromium, 2-5% of sodium iron ethylene diamine tetraacetate, 2-5% of copper sulfate, 2-5% of aluminum potassium sulfate, 10-50% of potassium nitrate, 2-23% of potassium dihydrogen phosphate, 2-5% of borax and 0.5-1% of dispersing agent.
As a further scheme of the invention: comprises the following raw materials in percentage by weight: 6-12% of selenium-enriched yeast, 8-9% of calcium citrate, 3-5% of zinc sulfate, 2-3% of manganese sulfate, 2-4% of magnesium sulfate, 2-4% of ammonium molybdate, 2-4% of yeast chromium, 2-4% of sodium iron ethylene diamine tetraacetate, 2-4% of copper sulfate, 2-4% of potassium aluminum sulfate, 45.4-50% of potassium nitrate, 5-20% of potassium dihydrogen phosphate, 3-4% of borax and 0.6-1% of dispersing agent.
As a further scheme of the invention: in the selenium-rich foliar fertilizer, the mass content of selenium element is 0.15-0.45 g/1000 g.
As a further scheme of the invention: in the selenium-rich foliar fertilizer, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
The embodiment of the invention also aims to provide a preparation method of the selenium-rich foliar fertilizer, which comprises the following steps:
weighing the following raw materials in percentage by weight: 5-15% of selenium-enriched yeast, 5-10% of calcium citrate, 2-5% of zinc sulfate, 1-3% of manganese sulfate, 2-5% of magnesium sulfate, 2-5% of ammonium molybdate, 2-5% of yeast chromium, 2-5% of sodium iron ethylene diamine tetraacetate, 2-5% of copper sulfate, 2-5% of aluminum potassium sulfate, 10-50% of potassium nitrate, 2-23% of potassium dihydrogen phosphate, 2-5% of borax and 0.5-1% of dispersing agent;
and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
The embodiment of the invention also aims to provide the selenium-rich foliar fertilizer prepared by the preparation method of the selenium-rich foliar fertilizer.
The embodiment of the invention also aims to provide application of the selenium-rich foliar fertilizer as a fertilizer in supplementing selenium elements for agricultural crops.
As a further scheme of the invention: and (3) diluting the selenium-rich foliar fertilizer by 500-600 times, and spraying the selenium-rich foliar fertilizer on agricultural crops.
As a further scheme of the invention: and mixing the selenium-rich foliar fertilizer with a pesticide, diluting by 500-600 times, and spraying the mixture on agricultural crops.
The selenium is matched with the aluminum potassium sulfate, so that the selenium-aluminum-potassium composite bactericide has the effect of a bactericide, can effectively kill insects and bacteria, and can solve the problems that the preservation time is shortened and the agricultural crops are easy to rot due to excessive bacteria and insects which cannot be radically treated by the existing pesticides, so that the selenium-aluminum-potassium composite bactericide can provide a nutrient source, has the effects of killing insects and bacteria, and has multiple effects;
the selenium-enriched yeast is used as a source of selenium element of agricultural crops, can be directly eaten, has the characteristics of safety, easy absorption, effectiveness, less pollution and the like, and can solve the technical problems that the conventional selenium-supplementing fertilizer has high toxicity and can not be directly eaten;
the fertilizer is rich in calcium, molybdenum, zinc, manganese, iron and copper elements, can improve the content of mineral substances in agricultural crops, and further meets the requirement of human bodies on the mineral substances.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 150 kg of selenium-enriched yeast, 100 kg of calcium citrate, 50 kg of zinc sulfate, 30 kg of manganese sulfate, 50 kg of magnesium sulfate, 50 kg of ammonium molybdate, 50 kg of yeast chromium, 50 kg of sodium iron ethylenediaminetetraacetate, 50 kg of copper sulfate, 50 kg of aluminum potassium sulfate, 200 kg of potassium nitrate, 110 kg of monopotassium phosphate, 50 kg of borax and 10 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 2
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 50 kg of selenium-enriched yeast, 50 kg of calcium citrate, 20 kg of zinc sulfate, 10 kg of manganese sulfate, 20 kg of magnesium sulfate, 20 kg of ammonium molybdate, 20 kg of yeast chromium, 20 kg of sodium iron ethylenediaminetetraacetate, 20 kg of copper sulfate, 20 kg of aluminum potassium sulfate, 500 kg of potassium nitrate, 225 kg of monopotassium phosphate, 20 kg of borax and 5 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 3
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 120 kg of selenium-enriched yeast, 90 kg of calcium citrate, 50 kg of zinc sulfate, 30 kg of manganese sulfate, 40 kg of magnesium sulfate, 40 kg of ammonium molybdate, 40 kg of yeast chromium, 40 kg of sodium iron ethylenediaminetetraacetate, 40 kg of copper sulfate, 40 kg of aluminum potassium sulfate, 370 kg of potassium nitrate, 50 kg of monopotassium phosphate, 40 kg of borax and 10 kg of dispersing agent.
(2) And uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 4
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 60 kilograms of selenium-enriched yeast, 80 kilograms of calcium citrate, 30 kilograms of zinc sulfate, 20 kilograms of manganese sulfate, 20 kilograms of magnesium sulfate, 20 kilograms of ammonium molybdate, 20 kilograms of yeast chromium, 20 kilograms of sodium iron ethylenediaminetetraacetate, 20 kilograms of copper sulfate, 20 kilograms of potassium aluminum sulfate, 454 kilograms of potassium nitrate, 200 kilograms of monopotassium phosphate, 30 kilograms of borax and 6 kilograms of dispersing agent.
(2) And uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 5
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 148 kg of selenium-enriched yeast, 98 kg of calcium citrate, 48 kg of zinc sulfate, 29 kg of manganese sulfate, 48 kg of magnesium sulfate, 49 kg of ammonium molybdate, 49 kg of yeast chromium, 48 kg of sodium iron ethylenediaminetetraacetate, 48 kg of copper sulfate, 48 kg of aluminum potassium sulfate, 100 kg of potassium nitrate, 230 kg of monopotassium phosphate, 48 kg of borax and 9 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 6
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 130 kg of selenium-enriched yeast, 80 kg of calcium citrate, 30 kg of zinc sulfate, 25 kg of manganese sulfate, 35 kg of magnesium sulfate, 35 kg of ammonium molybdate, 35 kg of yeast chromium, 35 kg of sodium iron ethylenediaminetetraacetate, 35 kg of copper sulfate, 35 kg of aluminum potassium sulfate, 462 kg of potassium nitrate, 20 kg of monopotassium phosphate, 35 kg of borax and 8 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 7
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 120 kg of selenium-enriched yeast, 70 kg of calcium citrate, 25 kg of zinc sulfate, 20 kg of manganese sulfate, 40 kg of magnesium sulfate, 40 kg of ammonium molybdate, 40 kg of yeast chromium, 40 kg of sodium iron ethylenediaminetetraacetate, 40 kg of copper sulfate, 40 kg of aluminum potassium sulfate, 379 kg of potassium nitrate, 100 kg of monopotassium phosphate, 40 kg of borax and 6 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 8
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 80 kg of selenium-enriched yeast, 90 kg of calcium citrate, 30 kg of zinc sulfate, 30 kg of manganese sulfate, 50 kg of magnesium sulfate, 40 kg of ammonium molybdate, 30 kg of yeast chromium, 30 kg of sodium iron ethylenediaminetetraacetate, 30 kg of copper sulfate, 40 kg of potassium aluminum sulfate, 310 kg of potassium nitrate, 200 kg of monopotassium phosphate, 30 kg of borax and 10 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 9
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 100 kg of selenium-enriched yeast, 60 kg of calcium citrate, 20 kg of zinc sulfate, 30 kg of manganese sulfate, 40 kg of magnesium sulfate, 20 kg of ammonium molybdate, 50 kg of yeast chromium, 30 kg of sodium iron ethylenediaminetetraacetate, 40 kg of copper sulfate, 30 kg of potassium aluminum sulfate, 400 kg of potassium nitrate, 145 kg of monopotassium phosphate, 30 kg of borax and 5 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 10
The embodiment provides a selenium-rich foliar fertilizer, and a preparation method of the selenium-rich foliar fertilizer comprises the following steps:
(1) weighing the following raw materials: 140 kg of selenium-enriched yeast, 90 kg of calcium citrate, 45 kg of zinc sulfate, 15 kg of manganese sulfate, 45 kg of magnesium sulfate, 25 kg of ammonium molybdate, 25 kg of yeast chromium, 35 kg of sodium iron ethylenediaminetetraacetate, 45 kg of copper sulfate, 35 kg of aluminum potassium sulfate, 245 kg of potassium nitrate, 220 kg of monopotassium phosphate, 25 kg of borax and 10 kg of dispersing agent;
(2) and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
Through detection, the selenium element mass content of the selenium-rich foliar fertilizer obtained by the embodiment is 0.15-0.45 g/1000 g.
Through detection, in the selenium-rich foliar fertilizer obtained by the embodiment, the sum of the mass contents of nitrogen, phosphorus and potassium elements is 8-40 g/100 g.
Example 11
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 1 is diluted by 500 times and then directly sprayed on agricultural crops.
Example 12
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 2 is diluted by 600 times and then directly sprayed on agricultural crops.
Example 13
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 3 is diluted by 550 times and then directly sprayed on agricultural crops.
Example 14
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 4 is diluted by 520 times and then directly sprayed on agricultural crops.
Example 15
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 5 is diluted by 570 times and then directly sprayed on agricultural crops.
Example 16
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 1 is mixed with a commercially available pesticide, diluted by 500 times, and then sprayed on agricultural crops.
Example 17
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 2 is mixed with a commercially available pesticide, diluted by 600 times, and then sprayed on agricultural crops.
Example 18
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 3 is mixed with a commercially available pesticide, diluted 550 times, and then sprayed on agricultural crops.
Example 19
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared by the step 4 is mixed with a commercially available pesticide, diluted by 520 times, and then sprayed on agricultural crops.
Example 20
When the selenium-rich foliar fertilizer is used, the selenium-rich foliar fertilizer prepared in the embodiment 5 is mixed with a commercially available pesticide, diluted by 560 times, and then sprayed on agricultural crops.
The principle of the invention is as follows: the selenium is matched with the aluminum potassium sulfate, so that the selenium-aluminum-potassium composite bactericide has the effect of a bactericide, can effectively kill insects and bacteria, and can solve the problems that the preservation time is shortened and the agricultural crops are easy to rot due to excessive bacteria and insects which cannot be radically treated by the existing pesticides, so that the selenium-aluminum-potassium composite bactericide can provide a nutrient source, has the effects of killing insects and bacteria, and has multiple effects; the selenium-enriched yeast is used as a source of selenium element of agricultural crops, can be directly eaten, and has the characteristics of safety, easy absorption, effectiveness, less pollution and the like; the fertilizer is rich in calcium, molybdenum, zinc, manganese, iron and copper elements, can improve the content of mineral substances in agricultural crops, and further meets the requirement of human bodies on the mineral substances.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The selenium-enriched foliar fertilizer is characterized by comprising the following raw materials in percentage by weight: 5-15% of selenium-enriched yeast, 5-10% of calcium citrate, 2-5% of zinc sulfate, 1-3% of manganese sulfate, 2-5% of magnesium sulfate, 2-5% of ammonium molybdate, 2-5% of yeast chromium, 2-5% of sodium iron ethylene diamine tetraacetate, 2-5% of copper sulfate, 2-5% of aluminum potassium sulfate, 10-50% of potassium nitrate, 2-23% of potassium dihydrogen phosphate, 2-5% of borax and 0.5-1% of dispersing agent.
2. The selenium-enriched foliar fertilizer as claimed in claim 1, which comprises the following raw materials in percentage by weight: 6-12% of selenium-enriched yeast, 8-9% of calcium citrate, 3-5% of zinc sulfate, 2-3% of manganese sulfate, 2-4% of magnesium sulfate, 2-4% of ammonium molybdate, 2-4% of yeast chromium, 2-4% of sodium iron ethylene diamine tetraacetate, 2-4% of copper sulfate, 2-4% of potassium aluminum sulfate, 45.4-50% of potassium nitrate, 5-20% of potassium dihydrogen phosphate, 3-4% of borax and 0.6-1% of dispersing agent.
3. The selenium-enriched foliar fertilizer as claimed in claim 2, wherein the selenium element content in the selenium-enriched foliar fertilizer is 0.15-0.45 g/1000 g.
4. The selenium-enriched foliar fertilizer as claimed in claim 2, wherein the sum of the mass contents of nitrogen, phosphorus and potassium elements in the selenium-enriched foliar fertilizer is 8-40 g/100 g.
5. A preparation method of the selenium-enriched foliar fertilizer as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
weighing the raw materials according to the weight percentage;
and uniformly mixing the selenium-enriched yeast, calcium citrate, zinc sulfate, manganese sulfate, magnesium sulfate, ammonium molybdate, chromium yeast, sodium iron ethylenediaminetetraacetate, copper sulfate, potassium aluminum sulfate, potassium nitrate, monopotassium phosphate, borax and a dispersing agent to obtain the selenium-enriched yeast.
6. The selenium-enriched foliar fertilizer prepared by the preparation method of the selenium-enriched foliar fertilizer as claimed in claim 5.
7. An application of the selenium-rich foliar fertilizer as claimed in any one of claims 1 to 4 as a fertilizer in supplementing selenium elements for agricultural crops.
8. The application of the selenium-rich foliar fertilizer as a fertilizer in supplementing selenium elements to agricultural crops as claimed in claim 7, wherein the selenium-rich foliar fertilizer is diluted by 500-600 times and then sprayed on the agricultural crops.
9. The application of the selenium-rich foliar fertilizer as a fertilizer in supplementing selenium elements to agricultural crops as claimed in claim 7, wherein the selenium-rich foliar fertilizer is mixed with a pesticide, diluted by 500-600 times and sprayed on the agricultural crops.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115433045A (en) * | 2022-10-20 | 2022-12-06 | 河北福满硒生物科技有限公司 | Selenium-rich foliar fertilizer |
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