1Soil Water and Salt Movement and Soil Salinization Control in Hetao Irrigation District: Current State and Future ProspectSHI Haibin, YANG Shuqing, LI Ruiping, LI Xianyue, LI Weiping, YAN Jianwen, MIAO Qingfeng, LI Zhen1-172The Effects of Non-tillage Coupled with Mulching Plastic Film Reuse on Soil Water and Salt Dynamics and Sunflower Growth in Hetao Irrigation DistrictLU Chuang, JIN Cunwang, LI Erzhen, YANG Liuqing, LI Jianzhong, WANG Jing, PANG Huancheng, LI Yuyi18-253Intra-annual Spatiotemporal Variation in Salt Content in the Plough Layer in Hetao Irrigation DistrictHUA Qianji, FENG Shaoyuan, GE Zhou, XU Ying26-344Optimizing Nitrogen and Phosphorus Fertilization to Improve Sunflower Yield in Hetao Irrigation DistrictLOU Shuai, YANG Shuqing, LIU Ruimin, LIU Deping35-435The Effects of Soil Amendment with Straw Biochar on Water and Salt Dynamics as Well as Water Use Efficiency of Corn under Different IrrigationsJIA Yonglin, QU Zhongyi, DING Yanhong, YANG Wei, MA Guiren, LI Zhengzheng44-516The Effect of Smash-ridging Cultivation on Properties of Saline-alkali Soil in Hetao Irrigation DistrictYANG Bo, QU Zhongyi, SUN Huihui, YANG Wei, WANG Liping, LIU Xia, ZHANG Ruxin, WANG Qiyuan52-597The Effects of Soil Amendment with different Materials on Soil Salt Distribution and Its Ion Composition under Brackish-water Drip IrrigationZHENG Fule, YAO Rongjiang, YANG Jingsong, WANG Xiangping, CHENG Qiang, LI Hongqiang60-718Constructing an Index-based System to Evaluate the Efficacy of Large-scale Remediation of Saline-alkali Soil for Hetao Irrigated DistrictMA Guiren, WANG Liping, QU Zhongyi, JIA Yonglin, WANG Yuhan72-849Combining Desulfurization Gypsum and Organic Materials to Improve Soil Quality and Sunflower Growth in Hetao Irrigation DistrictGAO Huimin, WANG Xiangping, QU Zhongyi, YANG Jingsong, YAO Rongjiang85-9210Simulating Water Flow and Salt Transport in Soil under the Impact of Subsurface Drains Using the SWAP ModelZHUANG Xudong, FENG Shaoyuan, YU Hao, YUAN Chengfu, QIAN Zheng93-10111Assessing the Efficiency of Subsurface Drain in Controlling Soil Salinization in Hetao Irrigation DistrictDOU Xu, SHI Haibin, LI Ruiping, MIAO Qingfeng, TIAN Feng, YU Dandan, ZHOU Liying102-11012Spatiotemporal Variation in Depth of Groundwater Table and Water Salinity in Hetao Irrigation District Estimated Using GeostatisticsYAO Ling, YANG Yang, SUN Guanfang, ZHU Yan, YANG Jinzhong111-12113Using Remote Sensing to Estimate Seasonal Variation in Phytoplankton Biomasses in the Lake WuliangsuhaiYUE Chengpeng, LI Xing, BAO Longshan, WEI Jingting122-12814Using Remote Sensing to Estimate Irrigation Area in Shenwu Region in Hetao Irrigation DistrictTIAN Xin, LI Ruiping, WANG Sinan, FAN Leilei, YU Minghui129-13515Simulation of Proper Autumn Irrigation Modes for Spring Wheat in Hetao Irrigation DistrictXUE Jing, CHEN Junfeng, ZHENG Xiuqing, LYU Zehao, LI Xuqiang136-144 