TY - Acta Agronomica Sinica A1 - ZHANG Yi,XU Nai-Yin,GUO Li-Lei,YANG Zi-Guang,ZHANG Xiao-Qing,YANG Xiao-Ni T1 - Optimization of test location number and replicate frequency in regional winter wheat variety trials in northern winter wheat region in China Y1 - 2020-08-12 JF - Acta Agronomica Sinica JO - Acta Agronomica Sinica SP - 1166 EP - 1173 VL - 46 IS - 8 UR - https://zwxb.chinacrops.org N1 - 10.3724/SP.J.1006.2020.91069 ER -