Responses of Cropland Phenophases to Agricultural Thermal Resources Change in Northeast China
LI Zhengguo, TANG Huajun, YANG Peng, ZHOU Qingbo, WUWenbin, ZOU Jinqiu, ZHANG Li, CHANG Hsiaofei
Acta Geographica Sinica . 2011, (7): 928 -939 .  DOI: 10.11821/xb201107006