Low yield gap of winter wheat in the North China Plain
European Journal of Agronomy（2014）
Abstract
•Yield gap decreased to 3tha−1 in 2001–2010 with a rate of −69kgha−1 per year.•The spatiotemporal pattern of on-farm yield and potential yield was studied.•On-farm yield has substantially contributed to YG spatiotemporal variation.•The region for higher yield increase potential was given.
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Key words
Winter wheat,Yield gap,Yield stagnation,Climate change,APSIM-wheat model,The North China Plain
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