RELATIONSHIP BETWEEN CANOPY HYPERSPECTRA PARAMETER AND LEAF NITROGEN CONCENTRATION IN COTTON
WU Hua-Bing, ZHU Yan, TIAN Yong-Chao, YAO Xia, LIU Xiao-Jun, ZHOU Zhi-Guo, CAO Wei-Xing
Chin J Plant Ecol . 2007, (5): 903 -909 .  DOI: 10.17521/cjpe.2007.0114