Effects of Tillage and Straw Returning on Biomass and Water Use Efficiency in a Winter Wheat and Summer Maize Rotation System
ZHAO Ya-Li, GUO Hai-Bin, XUE Zhi-Wei, MU Xin-Yuan, LI Chao-Hai*
图1 试验期间的月平均气温和月降水量 数据来自河南省温县气象局。 Fig. 1 Average temperature and precipitation during experimental period Data were provided by the Meteorological Bureau of Wenxian county, Henan province, China