Comparison analysis of microbial agent and different compost material on microbial community and nitrogen transformation genes dynamic changes during pig manure compost

文献类型： 外文期刊

第一作者： Liu, Naiyuan

作者： Liu, Naiyuan;Liu, Zhuangzhuang;Wang, Keyu;Zhao, Jinfeng;Fang, Jun;Liu, Gang;Liu, Naiyuan;Liu, Zhuangzhuang;Wang, Keyu;Zhao, Jinfeng;Fang, Jun;Liu, Gang;Yao, Hao;Pan, Junting

作者机构：

关键词： Sawdust -rice husk compost; Rice straw -mushroom compost; Network analysis; Meta genomic analysis

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）

ISSN： 0960-8524

年卷期： 2024 年 395 卷

页码：

收录情况： SCI

摘要： This study aimed to assess the impact of microbial agent and different compost material, on physicochemical parameters dynamic change, nitrogen -transfer gene/bacterial community interaction network during the pig manure composting. Incorporating a microbial agent into rice straw -mushroom compost reduced the NH3 and total ammonia emissions by 25.52 % and 14.41 %, respectively. Notably, rice straw -mushroom with a microbial agent reduced the total ammonia emissions by 37.67 %. NH4+-N and pH emerged as primary factors of phylumlevel and genus -level microorganisms. Microbial agent increased the expression of narG, nirK, and nosZ genes. Rice straw -mushroom elevated the content of amoA, nirK, nirS, and nosZ genes. Alcanivorax, Luteimonas, Pusillimonas, Lactobacillus, Aequorivita, Clostridium, Moheibacter and Truepera were identified as eight core microbial genera during the nitrogen conversion process. This study provides a strategy for reducing ammonia emissions and analyzes the potential mechanisms underlying compost processes.

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