Ecophysiological responses of Leymus chinensis to nitrogen and phosphorus additions in a typical steppe
BAI Xue, CHENG Jun-Hui, ZHENG Shu-Xia, ZHAN Shu-Xia, BAI Yong-Fei
Chin J Plant Ecol . 2014, (2): 103 -115 .  DOI: 10.3724/SP.J.1258.2014.00010