Fertilisation practice changes rhizosphere microbial community structure in the agroecosystem
文献类型: 外文期刊
第一作者: Guo, Zhibin
作者: Guo, Zhibin;Wan, Shuixia;Hua, Keke;Wang, Daozhong;Guo, Xisheng;He, ChuanLong;Guo, Zhibin;Guo, Zhibin;Wan, Shuixia;Hua, Keke;Wang, Daozhong;Guo, Xisheng;He, ChuanLong;Liu, Hui
作者机构:
关键词: bacteria; fertilisation regime; fungi; organic amendments; rhizosphere microbial community
期刊名称:ANNALS OF APPLIED BIOLOGY ( 影响因子:2.75; 五年影响因子:2.942 )
ISSN: 0003-4746
年卷期: 2019 年 174 卷 2 期
页码:
收录情况: SCI
摘要: Rhizosphere microbial community is important for the acquisition of soil nutrients and closely related to plant species. Fertilisation practice changed soil quality. With the hypothesis of stronger rhizosphere effect of plant on rhizosphere microbial community than fertilisation management, we designed this research based on a long-term field experiment (1982-present). This study consists of no fertilisation (NF), mineral fertilisers (NPK), mineral fertilisers plus 7,500 kg/ha of wheat straw addition (WS) and mineral fertilisers plus 30,000 kg/ha of cow manure (CM). After analysing, we found that fertilisation management not only elevated crop yield but also affected crop rhizosphere microbial community structure. The influence of fertilisation practice on wheat rhizosphere microbial structure was stronger than that of wheat. For wheat rhizosphere bacterial community, it was significantly affected by soil water content (SWC), nitrogen (TN), phosphorus (TP), pH, available phosphorus (AVP) and nitrogen (AVN), dissolved organic nitrogen (DON) and carbon (DOC). Besides SWC, pH, AVP, AVN, TN, TP and DOC, the wheat rhizosphere fungi community was also significantly affected by soil organic matter (SOM) and available potassium (AVK). Moreover, compared to rhizosphere bacterial community, the influences of soil physiochemical properties on rhizosphere fungal community was stronger. In conclusion, fertilisation practice was the primary factor structuring rhizosphere microbial community by changing soil nutrients availabilities in the agroecosystem.
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