Soil organic carbon and its distribution characteristics in the soil profile for four forest types in west Guizhou
DING Fangjun, GAO Yanping, ZHOU Fengjiao, PAN Mingliang, WU Peng
Ecology and Environment . 2012, (1): 38 -43 .  DOI: 10.16258/j.cnki.1674-5906(2012)01-0038-06