1Experiment of Soil Evaporation from Winter Wheat FieldFAN Yin-qin, CAI Huan-jie, WANG Jian1-42Preliminary Study on Spatial Variability of NO-3-N Content in SoilXU Cui-ping, SHEN Yan-li5-93Effect of Water-saving Irrigation on Phosphorus Nutrient in RiceLU Guo-an, LI Yuan-hua, SHA Zong-yao, CAO Shi-xue, LIU Xiang-cheng10-124Applications of Fine Sediment Flocculation and Deflocculation in Soil and Water ConservationCHEN Hong-song, SHAO Ming-an13-165Optimizing Profile-cross Section of Lined Water Conveyance canalCHENG Ji-lin, WANG Jing-cheng, WU Chang-xin17-216Calculating Average Flow Rate in Water Conveyance CanalBAI Mei-jian, XIE Chong-bao, XU Di, CAI Lin-gen, JIA Zheng-hui22-24,297Experimental Study on Optimal Irrigation Regime for High-Yield and Water-saving for Cotton in Weiganhe River Irrigation AreaHU Shun-jun, ZHOU Hong-fei, SONG Yu-dong, TIAN Chang-yan25-298A New Techniques of Constructing Underground Anti-seepage Concrete wall30-339Water-saving Irrigation Techniques for autumn buckwheat in Red Hilly Area In South ChinaFAN Zhi-sheng, LI Jin-shan, WU Gao-wei, FU Xiao34-3710Effects of Transferring Yellow River Water for Irrigation on Groundwater Level in Shangqiu RegionZHAO Hui, LU Mou-chao, SHAN Shan-Lin38-4011Water Retaining Agent of ZHONGRUI and Its Effect on Soil and CropsSUN Jing-sheng, ZHANG Ji-yang, DUAN Ai-wang, XIAO Jun-fu, LUI Zu-gui, YU Xi-gen41-44,6712Study on Two-stage Drainage Scale of Rainwater in Urbanized RegionLIU Shui-qin, JI Yong-xing45-4813Monitoring, Predicting of Soil Moisture and Automatic IrrigationLI Xi-lu, WANG Xin, DU Zhen-dong, XU Zheng-he, JIAO Fang-shun49-5214Local Resistance Design of Inverted Siphon Bend for South-North Water Transfer ProjectTAN Xin-huan, CHEN Quan-hui, GAO Yong-chuan53-55,7415Economic Analysis for Adjusting Speed with Frequency-modulating Technique in Gaogang Pumping StationQIU Bao-yun, HUANG Hai-tian, MO Yue-ping, QIAN Fu-jun, HUANG Jiang56-6016A Conceptual Model and its Application in Analyzing Water Demand and SupplyHONG Xiao-kang, HUANG Ling-mei, DHEN Bing, QIN Sheng-ying61-6317Study on Crop Water Requirement under IntercroppingWANG Yang-ren, YANG Li-xia64-6718Experiment Study on Optimal Irrigation Regime in Paddy Rice68-7119Analysis of Water Demand and Supply For Reconstruction of Yinqin Irrigation AreaJIA Shu-bao72-7420Development Trend of Utilizing and Storing Rainwater on Loess Plateau Region75-78 