Effects of nitrogen addition on the seasonal variations of soil labile organic carbon in different age poplar plantations
XU Kai,XU Yu,GE Zhiwei,YU Shuiqiang,WANG Guobing,FAN Huan,ZHOU Danyan,RUAN Honghua
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2014, (03): 19 -23 .  DOI: 10.3969/j.issn.1000-2006.2014.03.004