Fumigation alters the manganese-oxidizing microbial communities to enhance soil manganese availability and increase tomato yield
文献类型: 外文期刊
作者: Xin Wang;Qing Wang;Daqi Zhang;Jingyi Liu;Wensheng Fang;Yuan Li;Aocheng Cao;Qiuxia Wang;Dongdong Yan
作者机构:
关键词: Available manganese;Fumigation;Laccase;Microorganism
期刊名称: Science of the Total Environment
ISSN: 0048-9697
年卷期: 2024 年 919 卷
页码:
收录情况: SCIE(2024版) ; ; EI(2024版)
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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