针对甘肃河西灌区水资源利用与春小麦生产现状，论述了春小麦生物节水技术开发应用的必要性、生物节水型品种目标设计、探索实践及应用的经济效果，分析了需要解决的问题。认为河西灌区发展春小麦生物节水，将有利于形成“工程措施＋农艺措施＋生物措施”的综合节水新技术体系，是支撑和实现灌区节水农业的根本措施与潜力所在，应加大推广应用转化力度。

According to the the production status and utilization of water resources of spring wheat in Gansu Hexi Irrigation Area . This paper discusses the necessity of spring wheat biological water saving technology development and application， varieties of biological water-saving target design， explore the economic effects of practice and application， the problems need to be solved is analyzed . The paper holds that the Hexi spring wheat biological water saving irrigation development， will be beneficial to formation “engineering measures， agronomic measures and biological measures” of the new technology of comprehensive water-saving system， support and implementation of water-saving agriculture is the fundamental measures and potential， should intensify popularization and application transformation .

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甘肃省农业科学院农业科技创新专项(2013GAAS22)、甘肃省农业生物技术项目(GNSW-2013-30)、嘉峪关市科技计划项目(13-31)部分内容