The study on soil microbial biomass N in secondary oak forest and pine plantation
WU Chunlin,, TAO Zhongfang,, WANG Guobing, RUAN Honghua
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2010, (06): 38 -42 .  DOI: 10.3969/j.jssn.1000-2006.2010.06.009