Preparation method of biological organic fertilizer taking livestock excrements as raw materials

A bio-organic fertilizer and livestock and poultry manure technology, which is applied in the preparation of organic fertilizers, the treatment of bio-organic parts, organic fertilizers, etc., can solve the problems of soil damage and odor, achieve short composting cycles, reduce costs, and are not prone to stench and damage the soil

Inactive Publication Date: 2019-01-04
湖北源清生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of serious odor and serious damage to soil in the composting process in the prior art, and to pro

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0030] The preparation method sequentially includes the following steps:

[0031] Preparation of the microbial fermentation composition: first mix the combined enzyme agent, the microbial mixed inoculum and water in the required proportions to form a degradation liquid, then add organic raw materials to the degradation liquid and mix to obtain the mixture, and then adjust the mixture The C / N mass ratio is 25-35:1, the initial moisture content is 50%-60%, and the mixture is placed in a composting reactor for aerobic fermentation for 7-10 days to obtain a microbial fermentation composition, wherein Keep the temperature of aerobic fermentation at 25-50℃;

[0032] Preparation of organic fertilizer: firstly crush the microbial fermentation composition, and then mix it with urea, dibasic calcium phosphate and potassium chloride in the required proportions.

[0033] The temperature of the aerobic fermentation is maintained at 35-45°C.

[0034] Throughout the aerobic fermentation process, ai...

Example Embodiment

[0057] Example 1:

[0058] A preparation method of bio-organic fertilizer using livestock manure as raw material is carried out in sequence according to the following steps:

[0059] Pre-treatment of raw materials: crush the straw into particles with a particle size of 10-20mm;

[0060] Preparation of microbial fermentation composition: firstly mix 1.5 parts of microbial mixture, 0.5 parts of combined enzyme, 10 parts of water, 2 parts of sodium lauryl sulfate, and 0.5 parts of salt to form a degradation liquid, and then add it to the degradation liquid Add 100 parts of organic raw materials and mix well to obtain a mixture, then adjust the C / N mass ratio of the mixture to 31:1, the initial moisture content is 60%, and place the mixture in a compost reactor for aerobic fermentation for 8 days. A microbial fermentation composition is obtained, wherein the raw material composition of the microbial mixture is: Bacillus subtilis, Bacillus megaterium, Bacillus jelly-like, Bacillus cereus...

Example Embodiment

[0062] Example 2:

[0063] The difference from Example 1 is:

[0064] In the preparation step of the microbial fermentation composition, the weight ratio of the microbial mixed microbial agent, combined enzyme agent, organic raw material, water, sodium lauryl sulfate, and salt is 1.2:0.6:100:15:2.2:0.7. The enzyme is a mixture of 4000U / g protease, 2000U / g cellulase, 5000U / g glucanase, 3000U / g pectinase, 7000U / g lipase, and organic raw materials are cow dung, sheep dung, chicken dung, A mixture of straws in a weight ratio of 1:1:0.5:1, the C / N mass ratio of the mixture is 29:1, the initial moisture content is 55%, the temperature of aerobic fermentation is maintained at 35-45℃, aerobic The fermentation time is 10 days;

[0065] In the preparation step of the organic fertilizer, the weight ratio of the microbial fermentation composition, urea, dicalcium phosphate, and potassium chloride is 85:16:6:3.5.

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Abstract

The invention relates to a preparation method of biological organic fertilizer taking livestock excrements as raw materials. The preparation method comprises the following steps: mixing a microbial mixed bacterial agent, a combined enzyme agent, an organic raw material and water uniformly according to the ratio of (1-1.5):(0.5-1):100:(10-20), adjusting C/N and initial water content, performing aerobic fermentation at 25 to 50 DEG C for 7 to 10 days to obtain a microbial fermentation composition, and mixing the microbial fermentation composition, urea, calcium hydrogen phosphate and potassium chloride uniformly according to the ratio of (80-100):(15-20):(5-10), wherein the microbial mixed bacterial agent comprises bacillus subtilis, bacillus megatherium, bacillus mucilaginosus, bacillus cereus, bacillus licheniformis, aspergillus niger, aspergillus oryzae and bacillus thuringiensis; the combined enzyme agent is a mixture of protease, cellulase, glucanase, pectinase and lipase; and the organic material is a mixture of livestock excrements and straws. According to the design, stink and damage to soil are not liable to occur, and the composting period is short.

Description

technical field [0001] The invention belongs to the field of bio-organic fertilizers, and in particular relates to a preparation method of bio-organic fertilizers using livestock and poultry manure as raw materials. Background technique [0002] Waste is an important material basis for agricultural development. The long-term and large-scale use of chemical fertilizers in the production process of traditional agriculture and forestry will lead to soil compaction and degradation of the quality of agricultural products, the use of fertilizers will decrease, and the human living environment will be seriously polluted and destroyed. With the improvement of people's living standards, human beings have fully realized that it is necessary not only to survive in a good natural environment, but also to consume high-quality, safe and hygienic agricultural products. What plays a key role in this link is to use more bio-organic fertilizers in production and cultivation to reduce depende...

Claims

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Application Information

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IPC IPC(8): C05F17/00C05G3/00C05G3/04C05G3/02C05G3/60C05G3/80
CPCC05B3/00C05F17/00C05G3/00C05G3/60C05G3/80C05C9/00C05D1/02C05F3/00C05F11/00C05F11/08C05F17/20Y02W30/40
Inventor 吕志江
Owner 湖北源清生物科技股份有限公司
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