Effects of different environment of Karst forest on the biomass of Betula luminifera saplings
YANG Rui,YU Lifei*,LUO Yun,LUO Yuanfei
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2009, (01): 143 -145 .  DOI: 10.3969/j.jssn.1000-2006.2009.01.031