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Organo-mineral biochar complex formula fertilizer and preparation method thereof

A technology of organic fertilizer and biochar, applied in the direction of organic fertilizer, excretion fertilizer, fertilizer mixture, etc., can solve the problems of environmental nitrogen leaching, salt accumulation hazards, short-term decomposing, etc., to improve the utilization rate of nutrient elements, improve Cation exchange capacity, the effect of reducing the activity of heavy metals

Inactive Publication Date: 2017-02-22
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, due to the slow speed of fertilizing nitrogen nutrients, organic fertilizers often cannot meet the needs of crop growth. In order to meet the needs of crop growth, a large amount of organic fertilizers are applied at one time, which also causes environmental nitrogen leaching, NO x Release, NH 3 release, especially the hazards of heavy metal pollution and salt accumulation
[0004] On the other hand, because a large amount of straw and tail vegetables cannot be decomposed in a short time after returning to the field, a large amount of straw is burned.
The tail vegetables are discarded everywhere, causing environmental pollution

Method used

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  • Organo-mineral biochar complex formula fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1, prepare one section of organic-inorganic biochar composite formula fertilizer

[0054] (1) Break up large pieces of manure such as animal-source organic matter such as cow manure, chicken manure, and pig manure, pass through a 5cm large-hole sieve, and then mix with biochar to obtain a premix; wherein the quality of biochar is premix 20% of the total mass of the material.

[0055] (2) carry out composting fermentation to the premix in step (1);

[0056] Before composting and fermentation, the following steps are also included:

[0057] 2-1) Add water to the premixed material obtained in step 1), and control the water content of the mixture to 25%.

[0058] 2-2) Add an organic matter degrading enzyme (plant proteolytic enzyme) to the premix treated in the above 2-1) in an amount of 1% of the mass of the premix (ie 3 million IU / kg premix) .

[0059] 2-3) Add a biodegradation agent to the mixture obtained in the above 2-2): earthworms and fermenting micro...

Embodiment 2

[0065] Embodiment 2, preparation of two-stage organic-inorganic biochar composite formula fertilizer

[0066] (1) Break up large pieces of manure such as animal-source organic matter such as cow manure, chicken manure, and pig manure, pass through a 5cm large-hole sieve, and then mix with biochar to obtain a premix; wherein the quality of biochar is premix 20% of the total mass of the material.

[0067] (2) carry out composting fermentation to the premix in step (1);

[0068] Before composting and fermentation, the following steps are also included:

[0069] 2-1) Add water to the premixed material obtained in step 1), and control the water content of the mixture to 25%.

[0070] 2-2) Add an organic matter degrading enzyme (plant proteolytic enzyme) to the premix treated in the above 2-1) in an amount of 1% of the mass of the premix (ie 3 million IU / kg premix) .

[0071]2-3) Add a biodegradation agent to the mixture obtained in the above 2-2): earthworms and fermenting micr...

Embodiment 3

[0077] Example 3, preparation of three-stage organic-inorganic biochar compound formula fertilizer

[0078] (1) Break up large pieces of manure such as animal-source organic matter such as cow manure, chicken manure, and pig manure, pass through a 5cm large-hole sieve, and then mix with biochar to obtain a premix; wherein the quality of biochar is premix 30% of the total mass of the material.

[0079] (2) carry out composting fermentation to the premix in step (1);

[0080] Before composting and fermentation, the following steps are also included:

[0081] 2-1) Add water to the premixed material obtained in step 1), and control the water content of the mixture to 25%.

[0082] 2-2) Add an organic matter degrading enzyme (plant proteolytic enzyme) to the premix treated in the above 2-1) in an amount of 1% of the mass of the premix (ie 3 million IU / kg premix) .

[0083] 2-3) Add a biodegradation agent to the mixture obtained in the above 2-2): earthworms and fermenting micro...

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Abstract

The invention discloses organo-mineral biochar complex formula fertilizer and a preparation method thereof. The preparation method of the organo-mineral biochar complex formula fertilizer comprises the following steps: (1) a premix is obtained by mixing organic matter with biochar; (2) the premix obtained in the step (1) is subjected to composting fermentation; (3) the organo-mineral biochar complex formula fertilizer is obtained by adding chemical fertilizer to a fermentation product obtained in the step (2). According to the complex formula fertilizer, plant-sourced organic matter and animal-sourced organic matter are subjected to mixed fermentation, raw materials are subjected to biosafety disposal, the biochar is formed and plays an adsorption role, and clean organic fertilizer is produced; a balanced and reasonable NPK formula is realized according to the organic matter with difference sources, and maximization of the fertilizer efficiency is realized.

Description

technical field [0001] The invention belongs to the technical field of compound fertilizer preparation, and in particular relates to a formula fertilizer and a preparation method thereof. Background technique [0002] Fertilizer is one of the material basis of agricultural production. Before the world green revolution, organic fertilizer was the mainstream of fertilizer. After the Green Revolution, chemical fertilizers replaced organic fertilizers, which increased yields but also caused degradation of soil fertility and environmental problems. my country is facing the situation of soil fertility degradation, low efficiency of chemical fertilizer utilization, soil heavy metal and antibiotic pollution. The reason for this evil result is the use of a large amount of chemical fertilizers, unbalanced fertilization, non-application of organic fertilizers or improper application. [0003] The unreasonable application of chemical fertilizers lies in: long-term excessive applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
CPCC05C11/00C05F17/05C05F17/20C05D9/00C05F3/00C05F11/08C01G1/00Y02W30/40
Inventor 李志芳于晨解雨燕
Owner CHINA AGRI UNIV
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