Effects of tillage managements and maize straw returning on soil microbiome using 16S rDNA sequencing
文献类型： 外文期刊
作者： Xia, Xinyao 1 ; Zhang, Piaopiao 4 ; He, Linlin 3 ; Gao, Xingxing 3 ; Li, Weijun 3 ; Zhou, Yuanyuan 3 ; Li, Zongxin 2 ; Li 1 ;
作者机构： 1.Shandong Agr Univ, Coll Plant Protect, Agr Big Data Res Ctr, Tai An 271018, Shandong, Peoples R China
2.Shandong Acad Agr Sci, Maize Res Inst, Jinan 250100, Peoples R China
3.Univ Jinan, Sch Biol Sci & Technol, Jinan 250022, Shandong, Peoples R China
4.Taishan Med Univ, Dept Clin, Tai An 271016, Shandong, Peoples R China
期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：7.061； 五年影响因子：6.002 ）
ISSN： 1672-9072
年卷期： 2019 年 61 卷 6 期
页码：
收录情况： SCI
摘要： Agricultural practices could affect bacterial diversity and community structure by altering soil physical and chemical properties. Straw returning and tillage practices are widely used in agriculture, however, the effects of these agricultural practices on microbiomes are still unclear. In the present study, we compared the 18 bacterial communities of soil with different straw returning and tillage treatment combinations. The V3-V4 regions of the 16S ribosomal RNA were amplified and analyzed by high-throughput sequencing technology. The results showed that the bacterial communities were consistently dominated by Acidobacteria, Proteobacteria, Actinobacteria, and Chloroflexi. Short-term straw returning and tillage practices significantly altered the diversity, relative abundance and functions of the soil microbiome. Soil subjected to rotary tillage and straw returning (RTS) combination possessed the highest bacterial diversity and lowest ratio of G+/G- bacteria, indicating that RTS could be an efficient integrated management system to improve microbiome in the short term. Double verifications based on relative abundance and network analysis, revealed close relationships of Mycobacterium and Methylibium with RTS, indicating they could serve as biomarkers for RTS. Investigating microbial changes under different agricultural practices will provide valuable foundations for land sustainable utilization and increase crop yields.
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