Effect of Interaction between Nitrogen Rates and Irrigation Regimes on Grain Yield and Quality of Rice Effect of Alternate Irrigation in Partitioned Roots on the Kernel-filling and Its Related Physiological Characteristics in Maize Effect of Dry-wet Alternate Irrigation on Rice Quality and Activities of Some Enzymes in Grains during the Filling Plant growth, reproduction and biomass allocation in response of clonal plant Spartina anglica to alternative irrigation of fresh and saline water Distribution of NO-3-N of maize rhizosphere in rhizosphere soil under style ofdifferent irrigation