Spatio-Temporal Variability and Cause Analysis of Reference Crop Evapotranspiration in the Main Grain Producing Areas of China
YANG Yong-gang，CUI Ning-bo，HU Xiao-tao，GONG Dao-zhi
Chinese Journal of Agrometeorology . 2018, (04): 245 -255 .  DOI: 10.3969/j.issn.1000-6362.2018.04.004