期刊
JOURNAL OF PLANT INTERACTIONS
卷 14, 期 1, 页码 10-20出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17429145.2018.1550218
关键词
Arbuscular mycorrhizal fungi; faba bean; intercropping; maize; overyielding
资金
- National Key Research and Development Program of China [2016YFE0101100]
- Projects of the International Cooperation and Exchanges Program of NSFC [31210103906]
- National Basic Research Program of China [2015CB150405]
Understanding the effects of arbuscular mycorrhizal fungi (AMF) under different environmental contexts on overyielding in intercropping systems can be instructive in optimizing productivity and ecosystem services. A greenhouse study was conducted with maize and faba bean monocultures or intercropping at low phosphorus (P) and high P levels with three different water availabilities, and inoculated with or without AMF species Funneliformis mosseae. At low P level, overyielding was mainly due to the increase of maize biomass promoted by AMF relative to faba bean. Whereas in high P soils, overyielding was observed at all treatments, regardless of AMF. Inoculation of AMF significantly improved maize rather than faba bean P uptake, water use efficiency and photosynthesis rate, in particular at the low P level. This study identified the context dependence of AMF in influencing overyielding in maize/faba bean intercropping and demonstrates the importance of AMF in sustainable agricultural production.
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