Effects of rotational tillage during summer fallow on wheat field soil water regime and grain yield.
HOU Xian-qing1,2, WANG Wei1,2, HAN Qing-fang1,2, JIA Zhi-kuan1,2, YAN Bo1,2, LI Yong-ping3, SU Qin1,2
1Chinese Institute of Water-saving Agriculture, Northwest A & F University, Yangling 712100, Shaanxi, China; 2Minister of Agriculture Key Laboratory of Crop Production and Ecology, Northwest A & F University, Yangling 712100, Shaanxi, China; 3Guyuan Institute of Agricultural Sciences, Guyuan 756100, Ningxia, China