Xiuhuan Shi¹, Xueming Yang², Craig F. Drury², Dan Reynolds², Neil McLaughlin³ and Xiaoping Zhang⁴, (1)Northeast Institute of Geography and Agroecology, CAS; Greenhouse and Processing Crops Research Centre, AAFC, Ottawa, ON, Canada, (2)Agriculture and Agri-Food Canada, Greenhouse and Processing Crops Research Centre, Harrow, ON, Canada, (3)Agriculture & Agri-Food Canada, Eastern Cereal and Oilseed Research Centre, Ottawa, ON, Canada, (4)Chinese Academy of Sciences, Northeast Institute of Geography and Agroecology, changchun, China