Real-world fuel-based and tillage area-based emission factors of agricultural machines during different tillage processes - Shen, Xianbao; Yu, Wenhan; Yao, Zhiliang; Kong, Lei; Wu, Bobo; Xuan, Kaijie; Cao, Xinyue; Li, Xin; Zhang, Hanyu; Hao, Xuewei; Zhou, Qi (Frontiers in Environmental Science, 2022)