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豆类绿色覆改变了微生物群落结构,并通过改善中国亚热带果园系统中的可用性来增加微生物多样性

Na Wang¹, Le Li², Mengmeng Gou³

¹Key Lab of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application, Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou 510070, China; Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Beijing 100091, China.

The Science of the total environment

|October 14, 2024

概括

活草覆盖增强了土壤微生物多样性和营养循环. 较长的覆盖期改善了微生物的稳定性和功能,特别是在特定的类生长阶段. 这支持果园中的土壤健康策略.

科学领域:

土壤微生物学土壤微生物学
果园管理果园管理
营养素循环循环的过程

背景情况:

微生物是主要的分解剂,对土壤营养循环至关重要.
草对微生物群落产生影响,但其在不同生长阶段的长期影响尚不清楚.

研究的目的:

为了研究微生物群落和酶活动的动态变化,在Vicia villosa覆盖的不同持续时间下.
了解化年龄和生长期对土壤微生物进化和营养循环的影响.

主要方法:

高通量测序用于分析细菌和真菌群落.
测量了与碳 (C), (N) 和 (P) 循环相关的酶活性.
治疗包括8年 (VV_8) 和4年 (VV_4) 的Vicia villosa覆盖,以及三个生长时期的干净耕作.

主要成果:

VV_4和VV_8都增加了细菌和真菌的α多样性以及N,C和P循环酶活动.
碳循环酶活性是微生物多样性在不同生长周期的变化的主要驱动因素.
微生物群落的稳定性和协同效应随着堆积年龄的增加而增加;N的可用性是微生物多样性的关键.

结论:

增加覆盖年龄增强了微生物多样性,协同相互作用和营养循环功能,特别是在水果胀至枯期间 (FSWP).
复合性种类在长期堆积下在土壤微生物网络中发挥着至关重要的作用.
这些发现为改善果园土壤质量的微生物调节策略提供了基础.

关键词:

类果园类果园增长期是一个增长期.微生物社区的微生物社区.护年龄护年龄营养素循环的循环.

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