Spatio-temporal variations in organic carbon density and carbon sequestration potential in the topsoil of Hebei Province, China
CAO Xiang-hui, LONG Huai-yu, LEI Qiu-liang, LIU Jian, ZHANG Ji-zong, ZHANG Wen-ju, WU Shu-xia
Journal of Integrative Agriculture . 2016, (11): 2627 -2638 .  DOI: 10.1016/S2095-3119(15)61239-4