地理学报
干旱强度及发生时间对华北平原五省冬小麦产量影响
余慧倩,张强,孙鹏,宋长青
Impacts of drought intensity and drought duration on winter wheat yield in five provinces of North China plain
YU Huiqian,ZHANG Qiang,SUN Peng,SONG Changqing
地理学报 . 2019, (1): 87 -102 .  DOI: 10.11821/dlxb201901007