Influences of drip and flood irrigation on soil carbon dioxide emission and soil carbon sequestration of maize cropland in the North China Plain
GUO Shufang, QI Yuchun, PENG Qin, DONG Yunshe* 
, HE Yunlong, YAN Zhongqing, WANG Liqin
, HE Yunlong, YAN Zhongqing, WANG Liqin 