1Effect of Plastic Film Mulch on Precipitation Infiltration in FarmlandMING Guanghui, LUO Yi, SUN Lin, DENG Haijun1-42Effects of Different Colors of Plastic Film on Soil Water Heat Conditions and Winter Wheat GrowthCAO Han, WU Shufang, FENG Hao, ZHANG Yan5-93The Effects of Climate Change on Irrigation Requirements of Winter Wheat and Summer Maize in Henan ProvinceHUANG Zhongdong, QI Xuebin, FAN Xiangyang, LI Zhongyang, LIANG Zhijie10-134Methods of Optimal Water Resources Operation of Reservoirs for Jiangsu Section of South-to-North Water Diversion ProjectSHI Zhentong, CHENG Jilin, YANG Shutan, CHANG Benchun, JIANG Yong14-185Calculation Method of Soil Moisture Content in Crop Root Zone and Its Application in the Real-time Irrigation ModelMA Jianqin, HE Sheng, SONG Zhirui19-236Effect of Groundwater Table Control on the Net Photosynthetic Rate and its Dynamic Simulation in Paddy FieldJIA Bei, YU Shuang'en, YE Xingcheng24-277Effects of Blending Irrigation with Micro-polluted Water on Cadmium Distribution of Winter Wheat and Summer Maize Cropping Systems28-31,488Distribution and Health Risk Assessment of Cd(Ⅱ)and Cr(Ⅵ) of Groundwater in the Irrigation Area of XiaodianZHOU Changsong, ZOU Shengzhang, LI Lujuan, XIA Riyuan32-379Numerical Simulation Analysis on Frost Heaving Damage of U-shaped Canal Lining Based on Different Parameter CombinationsGAO Jing, TIAN Juncang, WANG Bin38-4210The Research on Insulation and Frost Heave Control for Concrete Lining CanalSONG Qinglin, HE Wuquan, LI Gen, ZHAO Hongwei, ZHANG Yufeng43-4811Effects of Irrigation Models with Different Well-canal Water Percentages on the Growth of Winter Wheat and Soil SaltZHANG Xianchao, QIAO Dongmei, QI Xuebin, GUO Wei, ZHOU Yuan, XIAO Yatao49-5412Characteristics of Soil Infiltration and Water-salt Distribution under Alternate IrrigationLIU Jingyan, BI Yuanjie, SUN Xihuan, GUO Xianghong, MA Juanjuan, YAN Yalong55-6013Effect of Water Stress and Rewatering on Growth and Quality of Sugar Beet in Cold and Arid Region of North ChinaHAN Kaihong, ZHANG Jizong, WANG Weijing, HAO Yaxing, ZHANG Lifeng, LIU Yuhua61-6614Research on Methane Emissions of Rice with Drip Irrigation under Mulch FilmHEI Rui, TIAN Juncang, MA Bo67-6915Slope Optimization Experiment of Farmland Water Conservancy and Assessment of Ecological EffectZHANG Yajie, SHAO Qingjun, LI Haicai, JIN Hai, FANG Yuan, HU Jiangjun70-7416Analysis on Fractal Characteristics of Barreled Cotton Root System ArchitectureCHEN Shaomin, LI Mingsi, GAO Chao, ZHAO Yulong, HAO Zhongwen75-7917Characteristic Analysis of Rainfall Erosivity in the Typical AreasXU Di, WANG Quanjiu, SU Lijun80-8418Temporal and Spatial Characteristics of Drought Based on Standardized Precipitation Index in the Yellow River BasinNIU Yating, WANG Sufen85-9019Effect of Weed on Water Conservation of Whole Plastic-film Mulching on Double Ridges in the Corn FieldQI Yonghong, YUE Decheng, JIANG Yanjun, SHI Guangliang, HU Guanfang, YANG Farong, LI Minquan91-94,9920Soil Water Holding Capacity in Surface Soil under Different Land Use Patterns in Karst Mountain AreasZHANG Zhiwei, ZHU Zhangxiong, WEN Zhilin95-99