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Soil bacterial communities triggered by organic matter inputs associates with a high-yielding pear production

文献类型： 外文期刊

作者： Wang, Li 1 ; Ye, Xiaomei 1 ; Hu, Hangwei 2 ; Du, Jing 1 ; Xi, Yonglan 1 ; Shen, Zongzhuan 3 ; Lin, Jing 4 ; Chen, Deli 2 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Anim Sci, Key Lab Crop & Livestock Integrated Farming, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China

2.Univ Melbourne, Fac Vet & Agr Sci, Melbourne, Vic 3010, Australia

3.Nanjing Agr Univ, Key Lab Plant Immun, Jiangsu Prov Key Lab Solid Organ Waste Utilizat,J, Educ Minist,Engn Ctr Resource Saving Fertilizers, Nanjing 210095, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Pomol, Nanjing 210014, Peoples R China

期刊名称：SOIL （ 影响因子：6.373； 五年影响因子：6.843 ）

ISSN： 2199-3971

年卷期： 2022 年 8 卷 1 期

页码：

收录情况： SCI

摘要： The roles of microorganisms in enhancing crop production have been demonstrated for a range of cropping systems. Most studies to date, however, have been confined to a limited number of locations, making it difficult to identify general soil biotic and abiotic characteristics underpinning the yield-promotion across various locations. This knowledge gap limits our capacity to harness soil microbiome to improve crop production. Here we used high-throughput amplicon sequencing to investigate the common features of bacterial community composition, ecological networks and physicochemical properties in six yield-invigorating and adjacent yield-debilitating orchards. We found that yield-invigorating soils exhibited higher contents of organic matter than yield-debilitating soils and harbored unique bacterial communities. Greater alpha diversity and higher relative abundances of Planctomycetota and Chloroflexota were observed in yield-debilitating soils. Co-occurrence network analysis revealed that yield-invigorating soils displayed a greater number of functionally interrelated modules (meta-modules) and a higher proportion of negative links to positive links. Chloroflexota was recognized as a keystone taxon in manipulating the interaction of bacterial communities in yield-invigorating soils. Altogether, we provide evidence that yield-invigorating soils across a range of locations appear to share common features, including accumulation of soil organic matter, higher microbial diversity, enrichment of key taxa like Chloroflexota and maintaining a competitive network. These findings have implications for science-based guidance for sustainable food production.

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