Geographic distribution of winter wheat yield loss risk and its classification in North China
XUE Changying1,2,HUO Zhiguo1,LI Shikui1,ZHUANG Liwei1,WANG Suyan1,2, HOU Tingting1,2,YE Cailing1,2
Chinese Journal of Applied Ecology
.
2005, (04): 620
-625
.
