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

4区 农林科学 Q2 Agricultural and Biological Sciences
Li Wang, Xiaomei Ye, Han J Hu, Jing Du, Yonglan Xi, Zongzhuan Shen, Jing Lin, Deli Chen
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引用次数: 3

Abstract

Abstract. 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.
有机质输入引发的土壤细菌群落与梨高产有关
摘要微生物在提高作物产量方面的作用已在一系列种植制度中得到证实。然而,迄今为止的大多数研究都局限于有限数量的地点,这使得很难确定支撑不同地点产量促进的一般土壤生物和非生物特征。这种知识差距限制了我们利用土壤微生物群提高作物产量的能力。利用高通量扩增子测序技术,研究了6个高产果园和邻接果园细菌群落组成、生态网络和理化性质的共同特征。我们发现,增产土壤的有机质含量高于减产土壤,并拥有独特的细菌群落。在产量衰弱型土壤中观察到更大的α多样性和更高的相对丰度。共现网络分析表明,增产土壤具有更多的功能相关模块(元模块)和更高比例的负相关链接。氯氟草被认为是调控增产土壤细菌群落相互作用的关键类群。总之,我们提供的证据表明,在一系列地区,提高产量的土壤似乎具有共同的特征,包括土壤有机质的积累、更高的微生物多样性、氯氟草属等关键类群的丰富以及保持竞争网络。这些发现对可持续粮食生产的科学指导具有启示意义。
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来源期刊
Soil Science
Soil Science 农林科学-土壤科学
CiteScore
2.70
自引率
0.00%
发文量
0
审稿时长
4.4 months
期刊介绍: Cessation.Soil Science satisfies the professional needs of all scientists and laboratory personnel involved in soil and plant research by publishing primary research reports and critical reviews of basic and applied soil science, especially as it relates to soil and plant studies and general environmental soil science. Each month, Soil Science presents authoritative research articles from an impressive array of discipline: soil chemistry and biochemistry, physics, fertility and nutrition, soil genesis and morphology, soil microbiology and mineralogy. Of immediate relevance to soil scientists-both industrial and academic-this unique publication also has long-range value for agronomists and environmental scientists.
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