STUDIES ON THE FATE OF LABELLED NITROGEN APPLIED TO A LEYMUS CHINENSIS COMMUNITY OF TYPICAL STEPPE IN INNER MONGOLIA GRASSLAND
PAN Qing-Min, BAI Yong-Fei, HAN Xing-Guo, YANG Jing-Cheng
Chin J Plan Ecolo . 2004, (5): 665 -671 .  DOI: 10.17521/cjpe.2004.0089