Journal article

Changes in plant C, N and P ratios under elevated [CO2] and canopy warming in a rice-winter wheat rotation system

Jianqing Wang, Xiaoyu Liu, Xuhui Zhang, Lianqing Li, Shu Kee Lam, Genxing Pan

Scientific Reports | Nature Publishing Group | Published : 2019

Abstract

Elevated atmospheric CO2 concentration ([CO2]) can stimulate plant growth through enhanced photosynthetic rate. However, plant C, N and P ratios in response to elevated [CO2] combined with canopy warming in rice-winter wheat rotation system remain largely unknown. Here we investigated the impacts of elevated [CO2] and warming on plant nutrient ratios under open-air conditions. Four treatments including the ambient condition (CK), elevated [CO2] (500 ppm, CE), canopy warming (+2 °C, WA), and the combination of elevated [CO2] and warming (CW) were used to investigate the responses of plant C, N and P ratios in a rice-winter wheat rotation system in southeast China. Results showed that elevated..

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University of Melbourne Researchers

Grants

Awarded by National Key R & D Program of China


Awarded by Ministry of Science and Technology of the People's Republic of China


Awarded by state Special Fund for Agro-scientific Research in the Public Interest "Climate Change Impacts on Crop Production and Mitigation"


Funding Acknowledgements

This work was financially supported by National Key R & D Program of China (2017YFD0300202) and Ministry of Science and Technology of the People's Republic of China (2012BAC19B01). Construction and maintenance of the experimental system was funded by the state Special Fund for Agro-scientific Research in the Public Interest "Climate Change Impacts on Crop Production and Mitigation" under grant number 200903003. The first author also appreciates the China Scholarship Council for providing funds to him to pursue his study in Japan.