Spatial and Temporal Variation of Crop Water Surplus or Deficit and Irrigation Water Requirement for Winter Wheat in  Middle  Shandong Province
HUAN Haijun, YANG Zaiqiang, LIU Yan, XIA Fuhua
Journal of Arid Meteorology . 2016, (5): 866 -872 .  DOI: 10.11755/j.issn.1006-7639(2016)-05-0866