Utilization of Water and Nitrogen and Yield Formation Under Three ALimited Irrigation Schedules in Winter Wheat Photosynthetic diurnal variation characteristics of leaf and non-leaf organs in winter wheat under different irrigation regimes Much Improved Water Use Efficiency of Rice under Non-Flooded Mulching Cultivation The ear-leaf ratio of population is related to yield and water use efficiency in the water-saving cultivation system of winter wheat Effects of Ridging with Mulching on Yield and Water Use Efficiency in Winter Wheat in Semihumid Drought-Prone Region in China Residual subsoil nitrogen utilization under water-saving cultivation in winter wheat