1Hypothesis and Test of Internal Water Out-seepage and Supply to Soil WaterLI Pei-cheng1-52Uniformity Coefficient of Drip Irrigation Tapes under Low Operating PressureMA Xiao-peng, GONG Shi-hong, WANG Jian-dong, YU Ying-duo, DONG Yan-fei6-103Effects of Stainless Steel Micro-lysimeter Lengths on Soil Evaporation MeasurementGAO Xiao-fei, SHI Hai-zhen, YANG Jie, WANG Xiao-lan11-154Burying Depth of Soil Moisture Sensors in Intelligent Drip Irrigation SystemWEI Heng-wen, CHEN Xi-dong, YIN Ming-yu16-205Water Resources and Developing Directions of Irrigation and Drainage of Main Cotton Region in ChinaWANG Jing-lei, SUN Jing-sheng, ZHANG Ji-yang, SHEN Xiao-jun21-256Analysis on the Characteristics of Agricultral Watershed Hydrological Response and Some Considerations about Moldlling ItGUO Xu-ning, HU Tie-song26-297Effects of Soil Matric Potential on Cowpea Yield and Irrigation Water Use Efficiency under Drip IrrigationZHANG Chao, KANG Yue-hu, WAN Shu-qin, LIU Shi-ping30-338The Water Resource Sustainable Utilization of Henan Province Based on System DynamicsCHEN Nan-xiang, WANG Yan-hui34-37,519Variability of Soil Nutrients before and after the Rice Planting in Zhanghe Irrigation DistrictGAO Xue-rui, DONG Bin, HUANG Shuang, CHEN Xiu-hong, WANG Jian-zhang, ZHENG Chuan-ju38-4110Optimal Operation Method on Multiple Pump Units with Adjustable-blade Based on Experimental Optimization MethodGONG Yi, CHENG Ji-lin, ZHANG Ren-tian, ZHANG Li-hua42-4611Theoretical Method and Scheme of Aquatic Ecological Regionalization in ChinaLIANG Jing-jing, ZUO Qi-ting, XIA Jun, SHI Xiao-xin, DOU Ming47-5112Diagnoses of the Security of Drinking Water in Rural Areas Based on Cloud Model and Analytic Hierarchy ProcessZHUANG Cheng-bin, HUANG He-hong, LIN Xian52-5513Indication of Diagnosing Salinity-alkalinity Hazard of Typical Area in the Huanghuaihai PlainLI Xiao-ming, YANG Jin-song56-5814Soil Water Dynamic and Range of Irrigation Amount with Storage Irrigation in Shijin Irrigation DistrictLI Ping, FAN Xiang-yang, QI Xue-bin, SUN Xue-feng59-6215Intersection Infiltration Characteristics of Vertical Line Source IrrigationCHENG Hui-juan, WANG Quan-jiu, ZENG Chen, LI Tao63-6616Estimation of Suitable Ecological Water Requirement of Lakes and Wetlands for Yellow River Irrigation Area in Ningxia Autonomous RegionHAN Yu-ping, ZHAO Ruo, WANG Fu-qiang67-7117Movement Regularity of Soil Water and Soil Salt for Cotton Root District under Salin Water IrrigationYAN Xiao-yan, LI Tao, WANG Xing-peng72-75,8418The Relationship between Taking Water from Well of Approach Yellow River and Drawing Water from Yellow RiverLI Qi-guang, LIU Shi-jin, WANG Wei76-7919Analysis on Water Quality Purifying Effect of Heituwa Subsurface flow Constructed WetlandGUO Wen-xian, ZHANG Yu, WANG Hong-xiang, XU Jian-xin, ZHAO Zhen-guo80-8420Loop-type Pipe Networks Design Based on Adaptive Genetic AlgorithmYAO Wei-wei, MA Xiao-yi, WANG Xiang-wei, FAN Hai-yan85-88 