Animal excrement and straw bio-organic fertilizer and preparation method thereof
A technology of straw biomass and animal manure, which is applied in the treatment of biological organic parts, organic fertilizers, microorganisms, etc., can solve the problems of air pollution, pollution, waste of resources and the environment, etc., to promote crop growth, reduce environmental pollution, and increase crop yield. Effect
Inactive Publication Date: 2021-04-13
NORTHEAST AGRICULTURAL UNIVERSITY
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The invention discloses an animal excrement and straw bio-organic fertilizer and a preparation method thereof. The fertilizer is prepared from animal manure and urine, straw, a straw decomposition agent and probiotic liquid, wherein the raw materials comprise the following components in parts by weight: 60-70 parts of animal manure and urine, 30-40 parts of straws, 0.2-0.3 part of the straw decomposition agent and 0.1-0.2 part of probiotic liquid. The method comprises the following steps: mixing bacillus licheniformis, lactobacillus casei and saccharomyces cerevisiae to obtain the probiotic liquid, and mixing bacillus subtilis, aspergillus oryzae and candida utilis to obtain the straw decomposition agent; mixing the raw material components to obtain a mixed material, wherein the initial pH value of the material is natural; and carrying out facultative aerobic fermentation for 90-120 days at a temperature higher than 4 DEG C, and ending fermentation when the number of fecal coliform bacteria in the material is less than or equal to 50, so that the bio-organic fertilizer is obtained. Animal manure and urine and straw can be converted into organic fertilizer, crop growth can be promoted by applying the organic fertilizer, and the crop yield can be increased.
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