Continuous applications of biochar to rice: Effects on grain yield and yield attributes
HUANG Min, FAN Long, JIANG Li-geng, YANG Shu-ying, ZOU Ying-bin, Norman Uphoff
Journal of Integrative Agriculture . 2019, (3): 563 -570 .  DOI: 10.1016/S2095-3119(18)61993-8