Method for preparing organic fertilizer

A technology of organic fertilizer and organic waste, applied in the direction of preparation of organic fertilizer, organic fertilizer, bio-organic part treatment, etc., to reduce the loss of nitrogen and sulfur, shorten the composting cycle, and improve the effect of soil structure

Inactive Publication Date: 2018-07-20
深圳市能迩环保科技实业发展有限公司
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  • Application Information

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However, wood vinegar has an irreplaceable e

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  • Method for preparing organic fertilizer
  • Method for preparing organic fertilizer

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Embodiment Construction

[0020] Embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0021] The quality of cultivated land in our country is seriously degraded, agricultural organic waste has not been effectively utilized as a resource, and the problem of agricultural non-point source pollution is becoming more and more serious. The two tasks of resource utilization of agricultural organic waste and improvement of soil quality pollution must be carried out together in order to be effective. To get twice the result with half the effort, combining the preparation of organic fertilizer and biochar to make organic fertilizer containing biochar is an excellent way to solve these two problems.

[0022] figure 1 It is a schematic diagram of the preparation method of the organic fertilizer of the present invention; the biomass solid waste such as agricultural organic waste is pyrolyzed at a low temperature under oxygen-limited conditions, a...

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Abstract

The invention relates to a method for preparing an organic fertilizer. Parts of agricultural organic wastes are used as a composting raw material, the remaining agricultural organic wastes are pyrolyzed at a low temperature to prepare charcoal and pyroligneous liquor, and the charcoal, the pyroligneous liquor and the composting raw material are fermented together to prepare the charcoal-pyroligneous liquor organic fertilizer. The charcoal-pyroligneous liquor organic fertilizer prepared in the invention can effectively improve the soil structure and improve the water and nutrient retention ability of soil while greatly increasing the organic matter content of the soil. The addition of the charcoal, in the production of the organic fertilizer is helpful for maintaining the composting temperature and promoting the growth of microorganisms, so the composting cycle is shortened; and more importantly, the charcoal can effectively absorb ammonia and hydrogen sulfide to reduce nitrogen and sulfur loss in the composting process. The addition of the pyroligneous liquor in the production process of the organic fertilizer improves the species diversity and the functional diversity of the microorganisms in the soil, so the increase of the activities of related enzymes used by mineral elements is benefited, and the activity of soil enzymes participating in soil carbon mineralization is reduced.

Description

technical field [0001] The invention relates to the technical field of fertilizer preparation, and more specifically relates to a method for efficiently utilizing organic waste such as agricultural stalks to prepare organic fertilizer containing biochar and wood vinegar. Background technique [0002] my country's agricultural production and rural life produce a large amount of biomass waste, and the pressure of resource treatment is increasing day by day. my country's crop straw has a large quantity, variety and wide distribution. According to statistics, in 2010, the collectable amount of various types of straw was about 700 million tons, and the comprehensive utilization rate was 70.6%. Among them, the 13 major grain producing areas were about 500 million tons, accounting for about 73% of the national total. At present, the pattern of multiple utilization of agricultural straw as fertilizer, feed, base material, raw material and fuel has been basically formed. But genera...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05F17/00C05G3/80
CPCC05D9/00C05F17/00C05G3/80C05F11/00C05F11/08Y02W30/40
Inventor 张千丰邓启
Owner 深圳市能迩环保科技实业发展有限公司
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