1Modeling Scale-dependent Soil Dispersivity with a Fractal ApproachWANG Kang, ZHANG Ren-duo, ZHOU Zu-hao, QIN Qi-zhi1-52The Groundwater Level Forecast and the Rational Ratio Analysis for Irrigation District with both Wells and CanalsZHOU Wei-bo, ZENG Fa-chen6-93Estimation Model of Soil Surface Trickle Infiltration Vertical Wetting Front Based on Horizontal Visual Wetting FrontZHANG Zhen-hua, LIU Ji-long, CAI Huan-jie, XIE Heng-xing10-134ET0 Calculates the Influence of Models and its Major Inputted Factor to Analysis EvaluationSU Chun-hong, CHEN Ya-xin, WANG Ya-dong, Xu Bing14-195Temporal and Spatial Distribution and Variation of Root System Growth of the Inter-planted Winter WheatLIU Hao, DUAN Ai-wang, GAO Yang, SHEN Xiao-jun20-246Study on the Effect of Irrigation under Plastic Preservation of Soil Moisture on Soil and CropYUN Xue-feng, WU Pu-te, WANG You-ke25-297The Wheat Straw Utilization and the Water Using Efficiency in Rice Cultivation in Seasonal Drought Hilly Region of South ChinaZHENG Jia-guo, JIANG Xin-lu, ZHU Zhong-lin, XIE Hong-mei, QING Ming-fu30-338The Experimental Studies of Soil Water and Salt Movement under the Condition of Straw Mulch in Different LocationsHUDAN·Tumarbay, WU Xu-chun, DI Li-da34-379Research and Produce of PTN New Kind of Joint Material for CanalZHANG Hui-li, WANG You-ke, SUN Kun-jun38-4110Study on the Law of Water Flow Course in Surge Flow IrrigationWU Zhong-dong, Wang Quan-jiu42-4411Study on Water Balance of Lowland Rice and Effect of Ground Water Depth on Water Saving Irrigation on the Basis of ORYZA2000LI Ya-long, CUI Yuan-lai, LI Yuan-hua45-4812Applied Research Based on the Non-parametric Approach and Artificial Intelligence Computing Technique in Water Soil Spatial VariationLIU Quan-ming, CHEN Ya-xin, WEI Zhan-min, SHI Hai-bin49-5313Study on the Crop Reference Evapotraspiration and the Meteorological Variables in the Yellow River Irrigation Area of Ningxia RegionSUN Jing, RUAN Ben-qing, JIANG Ren-fei54-57,6114Non-circular Spray Region of the Round Rotatory Rocker Arm SprinklerFAN Xing-ke, WU Pu-te, FENG Hao, WANG You-ke58-6115Analysis of the Characteristics of Soil Water and Salt Movement in Saline Water InfiltrationMA Dong-hao, WANG Quan-jiu, SU Ying, SHI Xiao-nan62-6616Effect of Irrigation Methods on Soil Temperature under Protected CultivationFU Shi-feng, LI Zhong, YANG Li-juan, SU Na67-7017Application of MODFLOW Model in the Study of Soil Salinization Development and Controlling MeasuresWANG Shao-li, GAO Zhan-yi, GUO Ting-tian71-7618Dual Convergence Algorithm, a New Computational Technique for Multiple-dimension Deterministic Dynamic ProgrammingYANG Fang, ZHUO Han-wen77-7919Study on the Influence of Wall Roughness on the Hydraulic Performance of Axial-flow PumpsZHU Hong-geng, YAN Bi-peng, ZHOU Ji-ren85-88 