Method for changing substance transformation metabolism and pathogenic microorganisms in compost fermentation
A fermentation method and composting technology, applied in microbial treatment, fertilizer mixture, biological organic part treatment, etc., can solve problems such as environmental pollution, low nutrient utilization rate, crop diseases, etc., to reduce fungal community diversity and increase bacterial abundance. and community diversity, the effect of promoting transformation
Pending Publication Date: 2022-07-01
TOBACCO RES INST CHIN AGRI SCI ACAD
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Problems solved by technology
Usually the pepper skin is used for seasoning and the pepper seeds are discarded or squeezed for oil. The pepper seed oil meal is often treated as waste and not used, which will cause environmental pollution, greenhouse gas emissions and serious diseases.
Mushroom bran is the discarded culture medium during the cultivation of fungi and mushrooms. It is often used as fertilizer and applied directly to farmland. Not only the nutrient utilization rate is low, but also it is easy to introduce pathogenic bacteria to cause crop diseases.
These wastes are also easy to be littered, bio-polluted or decomposed into toxic and harmful substances, thus carrying pollutants and pathogenic bacteria
Method used
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[0024] The content of the present invention may be more readily understood by reference to the following detailed description of the preferred embodiments of the invention and the included examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the definitions in this specification will control. As used herein, the term "prepared from" is synonymous with "comprising". As used herein, the terms "comprising," "including," "having," "containing," or any other variation thereof, are intended to cover non-exclusive inclusion. For example, a composition, step, method, article or device comprising the listed elements is not necessarily limited to those elements, but may include other elements not expressly listed or inherent to such composition, step, method, article or device elements.
[0025] 1. Experimental materials ...
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The invention discloses a compost fermentation method which comprises the following steps: after pepper seed oil meal, mushroom bran and biochar are uniformly mixed, biocontrol bacteria are added and mixed, water is added to adjust the water content, fermentation is performed in a windrow mode, the biocontrol bacteria are bacillus subtilis Tpb55 (BS) and trichoderma asperellum HG1 (TH), and after the biocontrol bacteria are treated with a biocontrol bacteria mixed inoculant, the content of the biocontrol bacteria is reduced, and the yield of the compost is increased. The contents of TOC and NO3 <->-N in the pepper seed oil meal-mushroom bran compost at a high temperature and in a decomposition stage are reduced, and the content of NH4 < + >-N is increased, so that the conversion of organic carbon and nitrogen of the compost is promoted, and the bacterial abundance and community diversity of the compost in the decomposition stage are remarkably improved. After BS and TH treatment, the levels of amino acids, carbohydrates and alkaloid metabolites are mainly up-regulated, wherein scopolamine, vindoline, vinblastine, capsaicin, salicylic acid and other substances have the effects of inhibiting bacteria or enhancing crop disease resistance.
Description
technical field [0001] The invention belongs to the field of microorganisms and applications thereof, and specifically relates to a method for transforming compost pathogenic microorganisms and metabolites by adding biocontrol bacteria. Background technique [0002] Chinese prickly ash (Zanthoxylum bungeanum Maxim.) has been used by humans for two or three thousand years, and it is widely used as a condiment and as a dewormer. Usually, the skin of Sichuan peppercorns is used for seasoning and the seeds of peppercorns are discarded or oiled. The oil meal of Sichuan peppercorns is often treated as waste and not used, which will cause problems such as environmental pollution, greenhouse gas emissions and serious diseases. Mushroom bran is a medium discarded during fungal mushroom cultivation. It is often used as a fertilizer to be directly applied to farmland. It not only has low nutrient utilization rate, but also easily introduces pathogenic bacteria to cause crop diseases. ...
Claims
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IPC IPC(8): C05F17/20C05G1/00
CPCC05D9/00C05F17/20C05F5/002C05F5/006C05F11/08Y02W30/40
Inventor 黄斌王杰张成省王凤龙廖成彭子忠金轲
Owner TOBACCO RES INST CHIN AGRI SCI ACAD