EN中文
Temporal-Spatial Variation Law of Organic Carbon Content in Typical Black Soil on Songliao Plain
LIU Jing-Shuang, YU Jun-Bao, WANG Jin-Da, LIU Shu-Xia
SCIENTIA GEOGRAPHICA SINICA . 2003, (6): 668 -673 .  DOI: 10.13249/j.cnki.sgs.2003.06.668