The increasing age of facility agriculture significantly enriched microplastics and affected soil bacterial communities

文献类型： 外文期刊

第一作者： Xu, Li

作者： Xu, Li;Wang, Kang;Xu, Dandan;Wang, Kang;Wang, Kang;Xiao, Juanjuan;Men, Jianan;Jin, Decai

作者机构：

关键词： Facility agriculture; Bacterial communities; Ecological effects; Microplastic

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：11.3； 五年影响因子：12.4 ）

ISSN： 0304-3894

年卷期： 2025 年 495 卷

页码：

收录情况： SCI

摘要： Microplastic (MP) pollution in facility agriculture is increasingly concerning, yet its interaction with soil properties and microbial communities remains unclear. This study analyzed soil samples from 10 agricultural facility bases in Beijing, revealing an average MP abundance of 1760 +/- 868.02 items/kg. MP levels showed a positive correlation with facility age, with fragments (47.3 %), films (26.2 %), and fibres (21.6 %) as the dominant forms, primarily composed of polypropylene (33.5 %) and polyethylene (17.3 %). Both facility age and MPs significantly increased the abundance of the phylum Acidobacteriota and the genus Hyphomicrobium. Further analysis indicated that soil pH, organic matter content, and facility age exerted stronger effects on soil microbial communities than MPs, shaping their ecological functions through shifts in microbial composition. Functional analysis of microbial communities using the Functional Annotation of Prokaryotic Taxa (FAPROTAX) tool revealed that facility age significantly influenced microbial functions, negatively impacting carbon cycling while enhancing nitrogen cycling, whereas MP abundance showed relatively minor effects. These findings provide important insights into soil MP pollution and its implications for soil ecosystem health and sustainable agricultural development.

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