1Model and Its Application for Integrated Optimal Distribution of Water Quality and Quantity Based on Ecology EconomyWU Ze-ning, SUO Li-sheng, CAO Qian1-62Establishment of Water Saving Irrigation Technical Support System in ChinaDU Xiu-wen, GUO Hui-bin, GONG Shi-hong7-113Primary Analysis of the Precipitation Characteristics for Beijing during the Period from 1950 to 2005SUN Zhen-hua, FENG Shao-yuan, YANG Zhong-shan, WU Hai-shan12-164Research of Synthetic Technique of Combining Pipeline Net and Optimal Technique in Well-canal Combined Irrigation Patterns RegionQI Xue-bin, FAN Xiang-yang, LI Ping, HUANG Zhong-dong17-205Simulative Study on Groundwater Evaporation Coefficient in Freezing and Thawing PeriodTONG Ju-xiu, YANG Jin-zhong, YUE Wei-feng, ZHANG Xin-lin21-24,406Analysis of Tomato Evapotranspiration and Response Model to Meteorologic Factors under Protected CultivationZHANG Rui-mei, PENG Shi-zhang, YE Lan-tao25-287Antifreeze Characteristic of New Joint Sealing Material in Concrete CanalSUN Kun-jun, ZHANG Hui-li, WANG You-ke33-368Research on Tomato Growth and Quality with Sewage IrrigationSUN Ai-hua, CAI Huan-jie, CHEN Xin-ming, WANG Jian37-409Study on the Inner Reasons and Evaluation Method of Groundwater Vulnerability in Arid AreasSUN Yan-wei, WEI Xiao-mei, BI Wen-tao41-43,4710Analysis of the Permeability of Unsaturated Soil from the Dike of Yellow RiverLIU Cui-ran, LI Yong-le, HE Peng-li44-4711Study on the Technology System of Water-saving Agriculture in Jiangsu ProvinceLIU Li-huan, SHAO Xiao-hou, XU Mao, YIN Guang-de, WANG Xu-kui48-5112The Countermeasures for Comprehensive Transformation of Water Saving Engineering in Cultivated Field with Medium and Low Yield Hetao Irrigation AreaZHAO Xiao-yong, BAI Ming-zhao, LI Feng-yun52-55,6813Characterizing Rainfall Time Series in the Loess Plateau and Periodical Links with Sea Surface TemperatureFENG Xiao-bo, WANG Kang, ZHOU Zu-hao, WANG Jing-lei56-5914Research on Optimization of Wells in Longzi Lake in Zhengdong AreaLI Zhi-ping, CHEN Xiao-gang, HE Bing, DONG Gui-ming, LI De-ying60-6415Design Preventing Frozen Bulge Damage of Irrigation Canals in Bad Cold AreaJIA Sheng-hai, CHENG Jian-ping65-6816Evaluation of Wuliangsuhai Lake Water Quality Based on Fuzzy Pattern Recognition TheoryPENG Fang, REN Chun-tao, WANG Li, HAO Wei-gang, CAO You-ling69-7217Research on Control Technology of Farmlands' Wind Erosion in Loess Hilly-gully Area of Hebei ProvinceZUO Yan-xia, MA Xiang-ling, XU Zhen-ci73-75,8918Self-adapting Canal Automation Control Method Based on CMAC Neural NetworkHAN Yan-cheng, GAO Xue-ping, TU Xiang-yang, ZHANG Chen76-7919Effects of Different Irrigation Model on Spring Wheat Yield and Water Use EfficiencyCHENG Xue-feng, ZHANG Feng-yun, CHAI Shou-xi, DENG Zhong80-8220Effects of Different Irrigation Methods on Water Requirement and Growth in Paddy RiceZHANG Yu-ping, ZHU De-feng, LIN Xian-qing, CHEN Hui-zhe, ZHANG Wei-xing83-85 