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Compound fertilizer sustained-release synergist, preparation method thereof, and compound fertilizer

A technology of compound fertilizer and synergist, which is applied in the field of compound fertilizer, compound fertilizer slow-release synergist preparation, and compound fertilizer slow-release synergist, which can solve the problem of short seedlings, poor quality, unhealthy, etc. Problems, to achieve vigorous growth, improve yield and quality

Inactive Publication Date: 2015-07-08
HEILONGJIANG EXCELS FERTILIZER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing synergistic slow-release agents can also inhibit the absorption of phosphorus by crops, thus causing the crops to be short and unhealthy at the seedling stage, resulting in low crop yield and poor quality

Method used

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  • Compound fertilizer sustained-release synergist, preparation method thereof, and compound fertilizer

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0023] Get thiophosphoric triamide or hydroquinone or boron-magnesium powder that is 1% by weight as urease inhibitor; get 10% dicyandiamide or nitrogen pyridine as nitrification inhibitor; get weight Percentage is 8% dicyandiamide, as ammonia stabilizer; Get the amine fresh fat or polyaspartic acid or humic acid that is 50% by weight, as fertilizer synergist; Get the weight percentage as 1% of EDTA, 10% by weight of zinc sulfate, and 20% by weight of borax are used as EDTA trace element chelates; after the above-mentioned raw materials are mixed evenly, they are pulverized to make a slow-release synergist.

preparation example 2

[0025] Get thiophosphoric triamide or hydroquinone or boron magnesium powder that is 5% by weight as a urease inhibitor; Dicyandiamide or nitrogen pyridine that is 10% by weight is used as a nitrification inhibitor; Percentage content is 20% dicyandiamide, as ammonia stabilizer; Get the amine fresh fat or polyaspartic acid or humic acid that are 10% by weight, as fertilizer synergist; Get weight percentage as 5% of EDTA, 30% by weight of zinc sulfate, and 20% by weight of borax as EDTA trace element chelates; after the above-mentioned raw materials are mixed evenly, they are pulverized to make a slow-release synergist.

preparation example 3

[0027] Get thiophosphoric triamide or hydroquinone or boron magnesium powder that is 4% by weight as urease inhibitor; get 8% dicyandiamide or nitrogen pyridine as nitrification inhibitor; get weight Percentage is 16% dicyandiamide, as ammonia stabilizer; Get the amine fresh fat or polyaspartic acid or humic acid that is 44% by weight, as fertilizer synergist; Get the weight percentage as 3% of EDTA, 15% by weight of zinc sulfate, and 10% by weight of borax are used as EDTA trace element chelates; after the above-mentioned raw materials are mixed evenly, they are pulverized to make a slow-release synergist.

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Abstract

The invention discloses a compound fertilizer sustained-release synergist, a preparation method thereof, and a compound fertilizer. The compound fertilizer sustained-release synergist is composed of, by weight: 1-5% of a urease inhibitor, 8-10% of a nitrification inhibitor, 8-20% of an ammonia stabilizer, 10-50% of a fertilizer synergist, and 21-55% of an EDTA trace element chelate. With the compound fertilizer sustained-release synergist and the compound fertilizer provided by the invention, urease in soil can be effectively inhibited, and fertilizer effect long-term sustained-release effect can be realized. Also, phosphorous absorption of crops is not inhibited, such that the crops can vigorously grow during a growth stage, and can be tall and thick. With the fertilizer and the synergist, crop yield and quality are improved.

Description

technical field [0001] The present invention relates to the field of chemical fertilizers, in particular, to a compound fertilizer slow-release synergist; in addition, the present invention also relates to a preparation method of a compound fertilizer slow-release synergist and a slow-release synergist added compound fertilizer. Background technique [0002] Fertilizer is a kind of substance that provides one or more essential mineral elements for plants, improves soil properties, and improves soil fertility. It is one of the material basis of agricultural production. The compound fertilizer is a general term for fertilizers mixed with several elemental fertilizers or elemental fertilizers and compound fertilizers. In the related art, in order to make the fertilizer effect of the compound fertilizer last for a long time, it is usually necessary to add a synergistic slow-release agent to the compound fertilizer. The existing synergistic slow-release agents are all composed o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/08C05G3/90
CPCY02P60/21
Inventor 付亮张世明
Owner HEILONGJIANG EXCELS FERTILIZER CO LTD
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