Effects of Nitrogen Application Rate on Water Consumption Characteristics and Grain Yield in Rainfed Wheat Effects of Irrigation Amount on Nitrogen Uptake, Distribution, Use, and Grain Yield and Quality in Wheat Effects of Tillage Regimes on Water Consumption and Dry Matter Accumulation in Dryland Wheat Effects of Delayed Irrigation at Jointing Stage and Irrigation Level on Consumption Amount and Resources of Water in Wheat and Farmland Evapotranspiration