Carbon Footprint Analysis of Wheat-maize Production System in Hebei Province
XIAO Guang-min, RU Shu-hua, HOU Li-min, WANG Ce, ZHAO Ou-ya, SUN Shi-you, WANG Ling, LIU Lei, ZHANG Guo-yin
Journal of Ecology and Rural Environment . 2022, (11): 1388 -1395 .  DOI: 10.19741/j.issn.1673-4831.2021.0803