Accumulative nitrogen deficit models of wheat aboveground part based on critical nitrogen concentration.Published in:Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao, 2012, v. 23, n. 11, p. 3141By:ZHAO Ben;YAO Xia;TIAN Yong-chao;LIU Xiao-jun;CAO Wei-xing;ZHU YanPublication type:Article