Response of compost maturity and microbial community composition to pentachlorophenol (PCP)-contaminated soil during composting

文献类型： 外文期刊

第一作者： Zeng, Guangming

作者： Zeng, Guangming;Yu, Zhen;Chen, Yaoning;Zhang, Jiachao;Li, Hui;Zhao, Mingjie;Zeng, Guangming;Yu, Zhen;Chen, Yaoning;Zhang, Jiachao;Li, Hui;Zhao, Mingjie;Yu, Man

作者机构：

关键词： Compost maturity;Composting;DGGE;Microbial community composition;Pentachlorophenol

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Two composting piles were prepared by adding to a mixture of rice straw, vegetables and bran: (i) raw soil free from pentachlorophenol (PCP) contamination (pile A) and (ii) PCP-contaminated soil (pile B). It was shown by the results that compost maturity characterized by water soluble carbon (WSC), TOC/TN ratio, germination index (GI) and dehydrogenase activity (DA) was significantly affected by PCP exposure, which resulted in an inferior degree of maturity for pile B. DGGE analysis revealed an inhibited effect of PCP on compost microbial abundance. The bacteria community shifts were mainly consistent with composting factors such as temperature, pH, moisture content and substrates. By contrast, the fungal communities were more sensitive to PCP contamination due to the significant correlation between fungal community shifts and PCP removal. Therefore, the different microbial community compositions for properly evaluating the degree of maturity and PCP contamination were suggested.

分类号： Q

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