EFFECTS OF NITROGEN ADDITION ON NET NITROGEN MINERALIZATION IN LEYMUS CHINENSIS GRASSLAND, INNER MONGOLIA, CHINA
ZHANG Lu, HUANG Jian-Hui, BAI Yong-Fei, HAN Xing-Guo
Chin J Plant Ecol . 2009, (3): 563 -569 .  DOI: 10.3773/j.issn.1005-264x.2009.03.015