The dynamics of soil microbial biomass nitrogen of poplar plantation with different stand ages and rotations
WANG Genmei, WEI Qingcui, YUAN Run, ZHANG Huanchao, WANG Fuhao, YAN Kaiyi
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2012, (03): 69 -73 .  DOI: 10.3969/j.jssn.1000-2006.2012.03.015