Effects of two-stage microbial inoculation on organic carbon turnover and fungal community succession during co-composting of cattle manure and rice straw
文献类型： 外文期刊
作者： Zhu, Ning 1 ; Zhu, Yanyun 1 ; Kan, Zexin 3 ; Li, Bingqing 3 ; Cao, Yaoyao 1 ; Jin, Hongmei 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing 210014, Peoples R China
2.Jiangsu Collaborat Innovat Ctr Solid Organ Waste, Nanjing 210095, Peoples R China
3.Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
关键词： Composting; Microbial inoculation; Lignocellulose; Organic carbon; Fungal community
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2021 年 341 卷
页码：
收录情况： SCI
摘要： This study explored the effects of single-stage inoculation (SSI) versus two-stage inoculation (TSI) on organic carbon components, product quality and fungal community during co-composting of cattle manure and rice straw. Both inoculation methods accelerated the temperature increase and elevated the composting temperature. TSI resulted in a second fermentation stage and extended the thermophilic stage from 22 to 29 days. Compared with SSI, TSI promoted the degradation degree of cellulose, hemicellulose and lignin by 25.9%, 16.5% and 47.4%, and increased the content of total nutrients and humus carbon by 5.9% and 10.5% in final products, respectively. TSI significantly increased the relative abundance of Aspergillus, Trichoderma, Neurospora, Mycothermus, Malbranchea and Gloeophyllum in the second fermentation stage. Spearman correlation analysis indicated that Aspergillus, Neurospora, Trichoderma and Gloeophyllum were the key fungi for lignocellulose degradation and humification. Redundancy analysis showed that temperature was the major environmental factor affecting fungal community succession in TSI.
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