1Study on Prevention and Control of Secondary Soil Salinization under Intensifying Irrigation and Straw Returning in Huang-Huai-Hai Plain FarmlandYU Shi-peng, YANG Jin-song, LIU Guang-ming1-42Dynamic Evaluation of Agricultural Drought Based on Soil Moisture SimulationYIN Zheng-jie, HUANG Wei, CHEN Jin5-83Spatial Variability of Soil Moisture in Cotton Field under Drip Irrigation ConditionLEI Xiao-yun, SHEN Xiang-min, LI Yan, CHEN Da-chun9-114The Influence of Nitrogen Mixed with Phosphorus on Soil Water Content and Water Use Efficiency of Summer MaizeDU Hong-xia, WU Pu-te, FENG Hao, WANG Bai-qun, MA Jun-yong12-155Photosynthetic Characteristics and Yields of Wheat with Swine Wastewater IrrigationWANG Feng, ZHANG Ke-qiang, HUANG Zhi-ping, YANG Peng, YANG Jun, YU Dan, LI Xiao-guang16-196Nutrient Balance and Economic Benefit of Winter-wheat and Rice Rotation System with Waste Water of Paper-making IrrigationXIAO Hui, GAO Xian-biao, GUO Liang-jin, WANG Yan20-237Predicting Parameters of Soil Moisture at Different Sampling IntensitiesYANG Qi-hong, CHEN Li-hua, WANG Yu24-26,348Relationships between Yield and Spatial Variability of Soil Water and Nutrient Contents at Different Growing Stages of Winter WheatXU Ying, KONG Dong27-309Effect of Regulated Deficit Drip Irrigation on Water Consumption and Yield of Plastic Film Mulched Corn for SeedGUO Song-nian, ZHANG Rui31-3410Biodegradability Model of Phenols in the Yellow River SedimentsZHU Tie-qun, LI Wei-zhong, LU Jian-hong35-3811Soil C Pool Management Index of Different Irrigation Methods in Protected FieldTANG Shou-feng, ZHANG Yu-long, YUAN De-ling, REN Bing-shu39-41,4512Effects of the Drip Irrigation Wetting Pattern on the Cotton Growth and YieldDING Hao, LI Ming-si, SUN Hao42-4513Spatial Variability of Infiltration Parameters and Its Influences on Border Irrigation PerformanceZHU Yan, JIAO Xi-yun, WANG Wei-han, WANG Shu-fang46-4914Optimum Interpolation Technique for Soil Texture ConversionXIE Yi-wen, CHEN Xiao-hong, WANG Zhao-li, ZHANG Qiang50-52,5715Numerical Simulation of One-dimensional Soil Infiltration CharacteristicNIE Wei-bo, MA Xiao-yi, WANG Shu-li53-5716Tensile Performance of Polypropylene Fiber Reinforced ConcreteHUANG Gong-xue, ZHAO Jun, GAO Dan-ying58-6017Bending-Torsion Relativity Analysis of Aqueducts in the South-to-North Water Diversion ProjectHU Shao-wei, YOU Ri, TU Qi-hua61-6418Soil Temperature Variation in Plough Layer and Soil Freeze-Thaw Characteristics during Seasonal Freezing and Thawing PeriodZHENG Xiu-qing, CHEN Jun-feng, XING Shu-yan, SUN Ming, YANG Jun-yao65-6819Evaluation of Eutrophic States of Spare Drinking Water Resources in Chongqing CityZHANG Yun, LI Chong-ming, ZHANG Sheng, CHEN Yu-cheng, KAN Ping69-7220Matter-element Model Based on Coefficients of Entropy for Comprehensive Evaluation of Irrigation Water QualityWANG Yan-fang73-76 