CN110803961A - Functional controlled release fertilizer - Google Patents
Functional controlled release fertilizer Download PDFInfo
- Publication number
- CN110803961A CN110803961A CN201911380667.8A CN201911380667A CN110803961A CN 110803961 A CN110803961 A CN 110803961A CN 201911380667 A CN201911380667 A CN 201911380667A CN 110803961 A CN110803961 A CN 110803961A
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- CN
- China
- Prior art keywords
- parts
- functional
- controlled release
- release fertilizer
- crops
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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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
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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
- 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
Abstract
The invention provides a functional controlled-release fertilizer which comprises the following components in parts by weight: 20-42 parts of coated urea, 5-15 parts of stable urea, 5-35 parts of functional monoammonium, 0-30 parts of diammonium phosphate, 0-46 parts of granular potassium sulfate, 0-28 parts of granular potassium chloride and 5-12 parts of mesogen granules, wherein the mesogen granules are nutrient granules containing boron, zinc and magnesium. The controlled release fertilizer contains available nutrients and controlled release nitrogen with different release periods, can supply sufficient nutrients in due time by combining the fertilizer requirement condition of the growth of crops, and ensures the growth of the crops; functional substances are added into the controlled release fertilizer to improve the resistance of crops and regulate and balance the growth of the crops; meanwhile, the added medium trace elements can coordinate nutrition to prevent and correct the nutrient deficiency of crops, the seaweed extract has wide application in the agricultural field and can be independently applied or applied together with chemical fertilizers as a synergist with the biological stimulant effect.
Description
Technical Field
The invention relates to a functional controlled-release fertilizer, belonging to the field of agricultural fertilizers.
Background
Aiming at the problems of low utilization rate, environmental pollution and the like brought by the traditional chemical fertilizer, the slow-release fertilizer is produced by transportation, the research on the slow-release fertilizer in China has a certain progress from the 80 s, along with the occurrence of various problems of agricultural products, agricultural environmental pollution, food sanitation, safety and the like, the technical progress and development of the whole slow-release fertilizer industry are promoted, and the gap between the research and developed countries is gradually reduced, but most of the research focuses are that functional substances and raw materials are rarely introduced into the slow-release fertilizer in the aspects of the type of film-forming materials, the film-forming process, the film degradation, the cost and the like, so that the function and the specificity of the product are reasonably matched and improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a functional controlled release fertilizer, which is characterized in that functional substances and raw materials are introduced into the controlled release fertilizer and are reasonably matched according to the nutrient requirement rule of crops to solve the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a functional controlled release fertilizer is characterized by comprising the following components in parts by weight: 20-42 parts of coated urea, 5-35 parts of functional monoammonium, 0-30 parts of diammonium phosphate, 0-46 parts of granular potassium sulfate, 0-28 parts of granular potassium chloride and 5-12 parts of mesogen granules, wherein the mesogen granules are nutrient granules containing boron, zinc and magnesium.
Furthermore, the granular potassium sulfate adopts powdery potassium sulfate with the content of potassium oxide being more than 50% and round potassium sulfate formed by a granulation process of attapulgite, and a biological extract is added in the extrusion process. The biological extract is seaweed extract, and the seaweed extract raw materials are active substances extracted from 1 or a mixture of more than 1 of macroalgae, brown algae and gulfweed by a biological fermentation method, a composite enzymolysis method, a high-pressure cell bursting technology or a combined method. The main principle is that different means are adopted to treat the seaweed cells, and various seaweed functional substances are extracted from the cells.
Further, the coated urea is polymer coated urea with a nitrogen content of 44 or more.
Further, the stable urea is urea treated by a urease inhibitor and a nitrification inhibitor, and the mixture of the urease inhibitor and the nitrification inhibitor is subjected to surface coating treatment according to the mass ratio of 0.4-0.8%.
Further, the functional-ammonium is an ammonium obtained by coating a particle-ammonium surface of 11-44 with a Zhoudan DMAP coating solution through a specific process.
Further, the diammonium phosphate is 18-46 diammonium phosphate.
Further, the content of the granular potassium chloride is more than 57.
Furthermore, the mesogen particles are particles with boron being more than or equal to 5 percent, zinc being more than or equal to 5 percent and magnesium being more than or equal to 10 percent.
The controlled release fertilizer obtained by the technical scheme has 35 to 54 percent of total nitrogen, phosphorus and potassium nutrients, 8 to 17 percent of controlled release nitrogen and 2.3 to 6.8 percent of stable nitrogen.
The invention has the beneficial effects that: according to the functional controlled-release fertilizer, the slow-release bulk blend fertilizer contains quick-acting nitrogen and controlled-release nitrogen elements in different release periods, so that sufficient nutrients can be supplied timely by combining fertilizer requirements for growth of different crops, and the normal growth of the crops is ensured; functional substances are added into the controlled release fertilizer to provide resistance of crops and regulate and balance the growth of the crops; the added medium trace elements can coordinate nutrition to prevent and correct the nutrient deficiency of crops, and the seaweed extract has wide application in the agricultural field, can be used as a synergist with the function of biological stimulin, can be applied independently or matched with chemical fertilizers, can improve the utilization efficiency of the fertilizers, promote the growth and development of plants, and can also improve the stress resistance of the crops.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides a technical scheme that: a functional controlled release fertilizer comprises the following components in parts by weight: a functional controlled release fertilizer is characterized by comprising the following components in parts by weight: 20-42 parts of coated urea, 5-35 parts of functional monoammonium, 0-30 parts of diammonium phosphate, 0-46 parts of granular potassium sulfate, 0-28 parts of granular potassium chloride and 5-12 parts of mesogen granules, wherein the mesogen granules are nutrient granules containing boron, zinc and magnesium.
The granular potassium sulfate is round granular potassium sulfate formed by granulating powdery potassium sulfate with potassium oxide content of more than 50 and attapulgite, and biological extract is added in the extrusion process. The biological extract is seaweed extract, and the seaweed extract raw materials are active substances extracted from 1 or a mixture of more than 1 of macroalgae, brown algae and gulfweed by a biological fermentation method, a composite enzymolysis method, a high-pressure cell bursting technology or a combined method. The main principle is that different means are adopted to treat the seaweed cells, and various seaweed functional substances are extracted from the cells. The coated urea is polymer coated urea with nitrogen content above 44. The stable urea is urea treated by urease inhibitor and nitrification inhibitor, and the mixture of the urease inhibitor and the nitrification inhibitor is subjected to surface coating treatment according to the mass ratio of 0.4-0.8%. The functional-ammonium is one obtained by coating particle-ammonium of 11-44 with a polyurethane (DMAP) coating solution through a specific process. The diammonium phosphate is 18-46 diammonium phosphate. The content of the granular potassium chloride is more than 57, and the granular potassium chloride is applied to chlorine type controlled release fertilizers. The mesogen particles are particles with boron being more than or equal to 5 percent, zinc being more than or equal to 5 percent and magnesium being more than or equal to 10 percent.
The total nutrient of nitrogen, phosphorus and potassium of the controlled release fertilizer obtained by the application technical scheme is 35-54%, the controlled release nitrogen is 8-17%, and the stable nitrogen is 2.3-6.8%.
Example 1:
a functional controlled-release fertilizer is composed of coated urea (27 portions), stabilized urea (8 portions), functional monoammonium (23 portions), granular potassium sulfate (40 portions) and medium-trace element (5 portions), wherein the medium-trace element is a granule containing more than 5% of B, more than 5% of Zn and more than 10% of Mg. The granular potassium sulfate is prepared by dry granulating powdery potassium sulfate with potassium oxide content of more than 50% and attapulgite to obtain round-grained potassium sulfate, and adding active substances obtained by subjecting kelp to high-pressure cell bursting during extrusion at a ratio of 1%.
Example 2:
a functional controlled release fertilizer comprises 25 parts of coated urea, 12 parts of stable urea, 23 parts of functional monoammonium, 30 parts of granular potassium sulfate and 10 parts of medium-trace element granules, wherein the medium-trace element granules are granules with boron more than or equal to 5 percent, zinc more than or equal to 5 percent and magnesium more than or equal to 10 percent. The granular potassium sulfate is prepared by dry granulating powdery potassium sulfate with potassium oxide content of more than 50% and attapulgite to obtain round granular potassium sulfate, and adding active substances obtained by composite enzymolysis of brown algae and gulfweed in an extrusion process, wherein the addition ratio is 0.8%.
Example 3:
a functional controlled release fertilizer comprises 40 parts of coated urea, 11 parts of stable urea, 5 parts of functional monoammonium, 22 parts of diammonium phosphate, 17 parts of granular potassium chloride and 5 parts of medium and trace element granules, wherein the medium and trace element granules are granules with boron more than or equal to 5%, zinc more than or equal to 5% and magnesium more than or equal to 10%. The granular potassium sulfate is prepared by dry granulating powdery potassium sulfate with potassium oxide content of more than 50% and attapulgite to obtain round potassium sulfate, and adding active substances obtained by biological fermentation of brown algae in an extrusion process at an addition ratio of 3%.
The controlled release fertilizer 18-12-20 obtained according to the technical scheme is applied to garlic of the Yaozhuangcun of the Temple town of horse Temple county, Jinxiang, Jining, compared with the common fertilizer 18-12-20, the controlled release fertilizer is applied according to a base fertilizer of 120 kg/mu, other agronomic management measures are the same, the yield is increased by 10% during harvesting, and the quantity of green leaves processed by the controlled release fertilizer 18-12-20 is 50% more than that of the common fertilizer 18-12-20 during harvesting.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. The claims should not be construed to limit the claims to which they pertain.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A functional controlled release fertilizer is characterized by comprising the following components in parts by weight: 20-42 parts of coated urea, 5-15 parts of stable urea, 5-35 parts of functional monoammonium, 0-30 parts of diammonium phosphate, 0-46 parts of granular potassium sulfate, 0-28 parts of granular potassium chloride and 5-12 parts of mesogen granules, wherein the mesogen granules are nutrient granules containing boron, zinc and magnesium.
2. The functional controlled release fertilizer of claim 1, wherein: the granular potassium sulfate is round granular potassium sulfate formed by granulating powdery potassium sulfate with the content of potassium oxide being more than 50% and attapulgite, and a biological extract is added in the extrusion process.
3. The functional controlled release fertilizer of claim 1, wherein: the coated urea is polymer coated urea with nitrogen content of more than 44.
4. The functional controlled release fertilizer of claim 1, wherein: the stable urea is urea treated by urease inhibitor and nitrification inhibitor.
5. The functional controlled release fertilizer of claim 1, wherein: the functional monoammonium phosphate is treated by a Zhongde DMAP coating solution, and the content of the functional monoammonium phosphate is 11-44.
6. The functional controlled release fertilizer of claim 1, wherein: the diammonium phosphate is granular diammonium phosphate of 18-46.
7. The functional controlled release fertilizer of claim 1, wherein: the potassium chloride content of the particles is more than 57.
8. The functional controlled release fertilizer of claim 1, wherein: the mesogen particles are particles with boron being more than or equal to 5 percent, zinc being more than or equal to 5 percent and magnesium being more than or equal to 10 percent.
9. The granular potassium sulfate as set forth in claim 2, characterized in that the biological extract is seaweed extract, the seaweed extract is prepared from active substances extracted from 1 or a mixture of several of macroalgae, brown algae and gulfweed by biological fermentation, composite enzymolysis, high-pressure cell bursting or combination, and the main principle is that seaweed cells are treated by different means to extract various seaweed functional substances from the cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380667.8A CN110803961A (en) | 2019-12-27 | 2019-12-27 | Functional controlled release fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911380667.8A CN110803961A (en) | 2019-12-27 | 2019-12-27 | Functional controlled release fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110803961A true CN110803961A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911380667.8A Withdrawn CN110803961A (en) | 2019-12-27 | 2019-12-27 | Functional controlled release fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142517A (en) * | 2020-09-28 | 2020-12-29 | 西安唯拓尔农业科技有限公司 | Large-particle slow and controlled release fertilizer |
| CN112645761A (en) * | 2020-12-31 | 2021-04-13 | 众德肥料（烟台）有限公司 | Functional full-nutrient compound fertilizer and preparation method thereof |
-
2019
- 2019-12-27 CN CN201911380667.8A patent/CN110803961A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142517A (en) * | 2020-09-28 | 2020-12-29 | 西安唯拓尔农业科技有限公司 | Large-particle slow and controlled release fertilizer |
| CN112645761A (en) * | 2020-12-31 | 2021-04-13 | 众德肥料（烟台）有限公司 | Functional full-nutrient compound fertilizer and preparation method thereof |
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200218 |