Fumigation alters the manganese-oxidizing microbial communities to enhance soil manganese availability and increase tomato yield

文献类型： 外文期刊

第一作者： Wang, Xin

作者： Wang, Xin;Wang, Qing;Zhang, Daqi;Liu, Jingyi;Fang, Wensheng;Li, Yuan;Cao, Aocheng;Wang, Qiuxia;Yan, Dongdong

作者机构：

关键词： Fumigation; Available manganese; Microorganism; Laccase

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：8.2； 五年影响因子：8.6 ）

ISSN： 0048-9697

年卷期： 2024 年 919 卷

页码：

收录情况： SCI

摘要： Manganese is one of the essential trace elements for plants to maintain normal life activities. Soil fumigation, while effectively controlling soil-borne diseases, can also improve the cycling of soil nutrient elements. MiSeq amplicon sequencing is used to determine the composition of soil microbial communities, and structural equation modeling and the random forest algorithm are employed to conduct a correlation analysis between key manganese-oxidizing microorganisms and soil manganese availability. This experiment investigated the microbial mechanisms behind the observed increase in available manganese in soil after fumigation. The key findings revealed that Bacillus, , GeoBacillus, , GraciliBacillus, , Chungangia, , and Pseudoxanthomonas play crucial roles in influencing the variation in soil available manganese content. Fumigation was found to elevate the abundance of Bacillus. . Moreover, laccase activity emerged as another significant factor impacting soil manganese availability, showing an indirect correlation with available manganese content and contributing to 58 % of the observed variation in available manganese content. In summary, alterations in the communities of manganese-oxidizing microorganisms following soil fumigation are pivotal for enhancing soil manganese availability.

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