5Zhang H, Wang X, You M, I.iu C. Water yield relations and water use efficiency of winter wheat in the North China Plain[J]. Irrigation Science, 1999, (19):37-45.
6Wang Jiandong, Gong Shihong, Xu Di, et al. Impact of drip and level basin irrigation on growth and yield of winter wheat in the North China Plain[J]. Irrigation Science,2013, 31(5) :1 025 - 1 037.
