CN112457108A - Medium-trace element water-soluble fertilizer and preparation method thereof - Google Patents
Medium-trace element water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN112457108A CN112457108A CN202011456905.1A CN202011456905A CN112457108A CN 112457108 A CN112457108 A CN 112457108A CN 202011456905 A CN202011456905 A CN 202011456905A CN 112457108 A CN112457108 A CN 112457108A
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- trace element
- soluble fertilizer
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- element water
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
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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
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a medium and trace element water-soluble fertilizer and a preparation method thereof, wherein the medium and trace element water-soluble fertilizer comprises the following components in parts by weight: 60-70 parts of calcium nitrate tetrahydrate, 5-10 parts of magnesium nitrate hexahydrate, 2-6 parts of boric acid, 2-4 parts of potassium hydroxide, 3-8 parts of sorbitol and 12-22 parts of purified water; the medium-trace element water-soluble fertilizer can tolerate the low temperature of minus 30 ℃ and has high product stability.
Description
Technical Field
The invention belongs to the technical field of water-soluble fertilizers for crops, and particularly relates to a medium-trace element water-soluble fertilizer and a preparation method thereof.
Background
Most of medium and trace element liquid water-soluble fertilizers in the current market have single components and have the problem of unstable dosage forms, and particularly, most of medium and trace element liquid water-soluble fertilizers are easy to crystallize under the low-temperature condition.
Chinese patent document CN105237072A (application number: 201510592877.9) discloses a special amino acid medium and trace element water-soluble fertilizer for moringa oleifera and a preparation method thereof, wherein the medium and trace element water-soluble fertilizer comprises the following components in parts by mass: 25 parts of amino acid, 40 parts of molasses fermentation liquor, 20 parts of water, 2 parts of potassium hydroxide, 1 part of copper sulfate, 3 parts of manganese sulfate, 3 parts of calcium nitrate, 1 part of magnesium nitrate, 4 parts of zinc nitrate, 1 part of boric acid and 0.03 part of ammonium molybdate; the patent document does not relate to the problem of improving the stability of the medium and trace element water-soluble fertilizer under low temperature conditions, which is to be solved by the invention.
Chinese patent document CN102267829A (application number: 201110172411.5) discloses a full-effect water-soluble fertilizer containing trace elements and a preparation method thereof, wherein the full-effect water-soluble fertilizer containing the trace elements comprises the following components in percentage by weight: zinc sulfate, copper sulfate pentahydrate, manganese sulfate monohydrate, borax, ammonium molybdate and water; the patent document does not relate to the problem of improving the stability of the medium and trace element water-soluble fertilizer under low temperature conditions, which is to be solved by the invention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a medium-trace element water-soluble fertilizer and a preparation method thereof.
The technical scheme of the invention is as follows:
the medium-trace element water-soluble fertilizer comprises the following components in parts by weight: 60-70 parts of calcium nitrate tetrahydrate, 5-10 parts of magnesium nitrate hexahydrate, 2-6 parts of boric acid, 2-4 parts of potassium hydroxide, 3-8 parts of sorbitol and 12-22 parts of purified water.
According to the invention, the preferable medium trace element water-soluble fertilizer comprises the following components in parts by weight: 64.7 parts of calcium nitrate tetrahydrate, 7.5 parts of magnesium nitrate hexahydrate, 4 parts of boric acid, 2.4 parts of potassium hydroxide, 6 parts of sorbitol and 15.4 parts of purified water.
The preparation method of the medium trace element water-soluble fertilizer comprises the following steps:
adding purified water and sorbitol into a reaction kettle according to the corresponding weight parts, heating to 50-70 ℃, adding boric acid and potassium hydroxide, stirring to dissolve and react completely, then adding calcium nitrate tetrahydrate and magnesium nitrate hexahydrate, stirring to dissolve completely, and obtaining the medium-trace element water-soluble fertilizer.
The medium-trace element water-soluble fertilizer is applied to planting of crops.
According to the invention, the medium trace element water-soluble fertilizer is preferably applied to planting of vegetable crops.
Further preferably, the medium trace element water-soluble fertilizer is applied to planting of tomato crops.
Further preferably, the medium trace element water-soluble fertilizer is applied to prevention and treatment of tomato fruit cracking diseases.
The technical scheme of the invention has the beneficial effects
1. The medium-trace element water-soluble fertilizer is clear and free of impurities, is stable at a temperature of between 30 ℃ below zero and 90 ℃, and cannot generate crystals or precipitates.
2. The medium-trace element water-soluble fertilizer can effectively promote the growth of plants and improve the yield.
3. The medium-trace element water-soluble fertilizer can effectively increase the fruit setting rate of crops.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples, but the scope of the present invention is not limited thereto. Reagents and medicines involved in the examples are all common commercial products unless otherwise specified; the experimental procedures referred to in the examples are those conventional in the art unless otherwise specified.
Sources of materials
Calcium nitrate tetrahydrate: purchased from Sanxi chemical Co Ltd in City;
magnesium nitrate hexahydrate: purchased from Sanxi chemical Co Ltd in City;
potassium hydroxide: purchased from Tianjin gold Condita chemical reagents, Inc.;
boric acid: purchased from nabobism fine chemicals, suzhou;
sorbitol: purchased from denudy chemical company, denudy;
purified water: and (5) purifying by using a water purifier.
Example 1
The medium-trace element water-soluble fertilizer comprises the following components in parts by weight: 64.7 parts of calcium nitrate tetrahydrate, 7.5 parts of magnesium nitrate hexahydrate, 4 parts of boric acid, 2.4 parts of potassium hydroxide, 6 parts of sorbitol and 13.8 parts of purified water.
The preparation method of the medium trace element water-soluble fertilizer comprises the following steps:
adding purified water and sorbitol into a reaction kettle according to the corresponding weight parts, heating to 60 ℃, adding boric acid and potassium hydroxide, stirring to dissolve completely, then adding calcium nitrate tetrahydrate and magnesium nitrate hexahydrate, stirring to dissolve completely, and obtaining the medium-trace element water-soluble fertilizer.
Example 2
The medium-trace element water-soluble fertilizer comprises the following components in parts by weight: 64 parts of calcium nitrate tetrahydrate, 8 parts of magnesium nitrate hexahydrate, 4 parts of boric acid, 2.5 parts of potassium hydroxide, 6 parts of sorbitol and 15.5 parts of purified water.
The preparation method of the medium trace element water-soluble fertilizer is the same as that of the embodiment 1.
Example 3
The medium-trace element water-soluble fertilizer comprises the following components in parts by weight: 60 parts of calcium nitrate tetrahydrate, 10 parts of magnesium nitrate hexahydrate, 3.5 parts of boric acid, 2.2 parts of potassium hydroxide, 7 parts of sorbitol and 17 parts of purified water.
The preparation method of the medium trace element water-soluble fertilizer is the same as that of the embodiment 1.
Comparative example 1
The difference from the example 1 is that boric acid is 1 part in the medium trace element water-soluble fertilizer, and the rest is the same.
Comparative example 2
The difference from the example 1 is that the medium trace element water-soluble fertilizer contains 7 parts of boric acid, and the rest is the same.
Comparative example 3
The difference from the example 1 is that 1 part of potassium hydroxide is contained in the medium trace element water-soluble fertilizer, and the rest is the same.
Comparative example 4
The difference from the example 1 is that 6 parts of potassium hydroxide is contained in the medium trace element water-soluble fertilizer, and the rest is the same.
Comparative example 5
The difference from the embodiment 1 is that the preparation method of the medium trace element water-soluble fertilizer is different, and comprises the following steps:
adding purified water and sorbitol into a reaction kettle according to the corresponding weight parts, heating to 60 ℃, adding boric acid, potassium hydroxide, calcium nitrate tetrahydrate and magnesium nitrate hexahydrate, stirring and dissolving to obtain the medium-trace element water-soluble fertilizer.
Examples of effects
Corresponding experimental tests are carried out on the medium trace element water-soluble fertilizers prepared in the examples 1-3 and the comparative examples 1-4, and the test results are shown in the table 1.
Determination of content of water-insoluble matter: and (4) measuring the water-insoluble content and the pH value of the NY/T1115 water-soluble fertilizer.
TABLE 1
As can be seen from the table 1, the medium and trace element water-soluble fertilizer can tolerate the low temperature of minus 30 ℃, and compared with other comparative examples, the medium and trace element water-soluble fertilizer has a certain synergistic effect, so that the content of water-insoluble substances in the medium and trace element water-soluble fertilizer is extremely low and can be ignored; and can resist the low temperature of minus 30 ℃ and has high product stability.
As can be seen from the experimental values of the example 1 and the comparative example 5, the preparation method of the water-soluble fertilizer has certain specificity.
Application example
The medium trace element water-soluble fertilizer prepared in the example 1 and the comparative examples 1-4 is applied to tomato planting experiments.
Selecting five plots with equivalent climatic conditions in the same greenhouse for planting tomatoes, wherein the area of each plot is 100m3And respectively marked as land parcel I, land parcel II, land parcel III, land parcel IV and land parcel V, and carrying out a comparison test. Application of the Fertilizer prepared in example 1 to plot of landApplying the fertilizer prepared in the comparative example 1, applying the fertilizer prepared in the comparative example 2 to plot three, applying the fertilizer prepared in the comparative example 3 to plot four, and applying the fertilizer prepared in the comparative example 4 to plot five; the tomato planting density is the same, the fertilizing amount of each plot is 2kg, the dilution is 1000 times, the continuous application is performed for 5 times, the time interval of each fertilization is 15 days, the application mode is full application, the fertilization is performed for the first three times, and meanwhile, 20-20-202 kg of macroelements are applied to each plot, and the dilution is 1000 times. Fertilizing twice, simultaneously applying 15-5-302 kg of macroelements to each land, and diluting 1000 times until picking is finished.
The method for detecting the number of the tomato fruit cracking diseases comprises the steps of randomly selecting 50 tomatoes from the tomatoes which are planted and harvested in each medium element water soluble fertilizer for observation, and recording the number of the tomatoes with fruit cracking symptoms.
The tomato planting experiment results are shown in Table 2
TABLE 2
As can be seen from the table 2, the medium trace element water-soluble fertilizer related to the invention has obvious effect on increasing the yield of tomatoes; the tomato fruit cracking disease is a common physiological disease which harms tomato fruits and is easy to occur in the color transition period of the fruits, and improper fertilization is one of the reasons for the tomato fruit cracking disease; the fruit setting rate of the tomatoes is effectively improved.
In conclusion, a certain synergistic effect is generated among the components of the medium-trace element water-soluble fertilizer, so that the water-insoluble substance content of the medium-trace element water-soluble fertilizer is extremely low and can be ignored, and the medium-trace element water-soluble fertilizer is in a completely water-soluble state; the product can tolerate the low temperature of minus 30 ℃ and has high stability; the medium-trace element water-soluble fertilizer has obvious yield increasing effect on crops, effectively prevents the tomato fruit cracking disease and improves the tomato quality; effectively improves the fruit setting rate of the tomatoes and is popularized and applied by utilizing the market.
Claims (7)
1. The medium-trace element water-soluble fertilizer comprises the following components in parts by weight: 60-70 parts of calcium nitrate tetrahydrate, 5-10 parts of magnesium nitrate hexahydrate, 2-6 parts of boric acid, 2-4 parts of potassium hydroxide, 3-8 parts of sorbitol and 12-22 parts of purified water.
2. The medium trace element water-soluble fertilizer as claimed in claim 1, which comprises the following components in parts by weight: 64.7 parts of calcium nitrate tetrahydrate, 7.5 parts of magnesium nitrate hexahydrate, 4 parts of boric acid, 2.4 parts of potassium hydroxide, 6 parts of sorbitol and 15.4 parts of purified water.
3. The preparation method of the medium trace element water-soluble fertilizer as claimed in any one of claims 1-2, which is characterized by comprising the following steps:
adding purified water and sorbitol into a reaction kettle according to the corresponding weight parts, heating to 50-70 ℃, adding boric acid and potassium hydroxide, stirring to dissolve and react completely, then adding calcium nitrate tetrahydrate and magnesium nitrate hexahydrate, stirring to dissolve completely, and obtaining the medium-trace element water-soluble fertilizer.
4. The medium trace element water-soluble fertilizer of any one of claims 1-2 is applied to planting of crops.
5. The use of claim 4, wherein the medium trace element water soluble fertilizer is applied to the planting of vegetable crops.
6. The use as claimed in claim 5, wherein the medium trace element water soluble fertilizer is used for the planting of tomato crops.
7. The use of the medium trace element water-soluble fertilizer as claimed in claim 6, for preventing and treating tomato fruit cracking disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011456905.1A CN112457108A (en) | 2020-12-10 | 2020-12-10 | Medium-trace element water-soluble fertilizer and preparation method thereof |
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| CN202011456905.1A CN112457108A (en) | 2020-12-10 | 2020-12-10 | Medium-trace element water-soluble fertilizer and preparation method thereof |
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| CN112457108A true CN112457108A (en) | 2021-03-09 |
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| CN202011456905.1A Pending CN112457108A (en) | 2020-12-10 | 2020-12-10 | Medium-trace element water-soluble fertilizer and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120070749A (en) * | 2010-12-22 | 2012-07-02 | 한국화학연구원 | Release-rate controlled road antifreezing agent |
| CN106242759A (en) * | 2016-08-02 | 2016-12-21 | 中化（烟台）作物营养有限公司 | The manufacture method of trace element liquid fertilizer in a kind of sugar alcohol chelating |
-
2020
- 2020-12-10 CN CN202011456905.1A patent/CN112457108A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120070749A (en) * | 2010-12-22 | 2012-07-02 | 한국화학연구원 | Release-rate controlled road antifreezing agent |
| CN106242759A (en) * | 2016-08-02 | 2016-12-21 | 中化（烟台）作物营养有限公司 | The manufacture method of trace element liquid fertilizer in a kind of sugar alcohol chelating |
Non-Patent Citations (2)
| Title |
|---|
| JIM SMITH 等: "《食品添加剂实用手册》", 30 November 2004, 中国农业出版社 * |
| 方卫东 等: "《茄果类蔬菜》", 31 January 2016 * |
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