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A kind of organic-inorganic compound fertilizer and its production method

A compound fertilizer and organic fertilizer technology, which is applied in the direction of phosphate fertilizer, fertilization equipment, matrix fertilizer, etc., can solve the problems of low utilization rate of organic nutrient resources, immature technology system, and high application cost, so as to achieve high-efficiency utilization and increase phosphate fertilizer The effect of high utilization rate and nitrogen fertilizer use efficiency

Active Publication Date: 2022-05-31
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In my country, the technology system of organic nutrient resource utilization is immature and the application cost is high, resulting in low utilization rate of organic nutrient resources
Our country has been promoting the fertilization strategy combining organic and inorganic materials, but due to the influence of technical conditions and fertilizer product structure, it has not been able to achieve the expected goal.

Method used

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  • A kind of organic-inorganic compound fertilizer and its production method
  • A kind of organic-inorganic compound fertilizer and its production method
  • A kind of organic-inorganic compound fertilizer and its production method

Examples

Experimental program
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Effect test

Embodiment 1

[0056] The organic-inorganic compound (compound) fertilizer includes a fertilizer core, an interlayer and a surface layer;

[0057] Described phosphorus-containing fertilizer is market-purchased diammonium phosphate (18-46) granular fertilizer, pulverized and passed through a 0.25mm sieve for use; passed through a 3mm and 4mm sieve, respectively, for later use.

[0058] The organic material is cow dung purchased from the market (cow dung, chicken dung and other livestock and poultry manure can be selected). Fully decomposed, dried (air), crushed through a 0.25mm sieve, and set aside;

[0059]The nitrogen fertilizer is granulated ammonium sulfate (N: 20%) purchased from the market, crushed and passed through a 0.25mm sieve, and is ready for use;

[0060] Described potash fertilizer is powdered potassium sulfate (K: 52%) purchased from the market, passed through a 0.25mm sieve, and used for later use;

[0061] The binder is a market-purchased biochemical potassium humate (3-0....

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Abstract

The invention discloses a high-efficiency organic-inorganic compound fertilizer and a production method thereof. The compound fertilizer is sequentially composed of fertilizer core 1, interlayer 2 and surface layer 3 from inside to outside; the fertilizer core is composed of fertilizer particles; the interlayer is composed of interlayer fertilizer and organic fertilizer; the surface layer is composed of surface fertilizer; and the Both the interlayer and the surface layer contain sulfate; the fertilizer core, the interlayer and the surface layer all contain phosphate fertilizer. The present invention develops a systematic design around improving the utilization rate of phosphorus fertilizer, and finally can significantly increase the utilization rate of phosphorus fertilizer to 40%-60%, or even higher; the utilization rate of nitrogen fertilizer is higher than that of ordinary nitrogen fertilizer, and the utilization rate can reach 50%-65%, which is important. application value.

Description

technical field [0001] The invention belongs to the field of fertilizers, and relates to an organic-inorganic compound fertilizer and a production method thereof. Background technique [0002] In my country, the organic nutrient resource utilization technology system is immature and the application cost is high, resulting in low utilization rate of organic nutrient resources. my country has been promoting the combination of organic and inorganic fertilization strategy, affected by technical conditions and fertilizer product structure, has not been able to achieve the desired goal. [0003] Compound fertilizers containing certain organic fertilizers are called organic-inorganic compound (compound) fertilizers (GB 18877-2002). Organic-inorganic compound (combined) fertilizer has the characteristics of long-term fertilizer efficiency of organic fertilizer, activation of nutrients in soil, and soil fertility. It also has the characteristics of high nutrient and fast fertilizer ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/80C05G5/30C05G5/12C05G5/40
CPCC05B7/00Y02A40/20
Inventor 张福锁贾冲冲鲁振亚
Owner CHINA AGRI UNIV
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