Soil organic carbon associated with aggregate-size and density fractions in a Mollisol amended with charred and uncharred maize straw
GUAN Song, LIU Si-jia, LIU Ri-yue, ZHANG Jin-jing, REN Jun, CAI Hong-guang, LIN Xin-xin
Journal of Integrative Agriculture . 2019, (7): 1496 -1507 .  DOI: 10.1016/S2095-3119(19)62643-2