【摘要】 综述了作物水分利用率的研究进展。在探讨水分利用率内涵的基础上,阐述了作物水分利用率的影响因素如作物,环境因素,化学制剂,栽培措施和耕作制度等人类活动等影响因素,重点分析了土壤因素和化学制剂对作物水分利用率的影响,探讨了作物水分利用率的提高途径,包括优化种植结构;选用节水高产型品种;农田覆盖保水技术;水肥耦合技术;化学调控节水技术和节水灌溉技术等。更多还原

【Abstract】 The review on crop water use efficiency(WUE)is summarized in this paper.On the basis of elaborating the connotation of crop WUE,The influencing factors of crop WUE including crop,environment,chemical material,planting and other farming measures are analyzed.Among them,the soil and chemical material are discussed in detail.The improvement ways of crop WUE are also discussed,including optimizing growing pattern,selecting species with water-saving & yield-high;farmland mulching;coupling of irrigation water and fertilizer;chemistry regulation and controlling technology;irrigation technology and so on.更多还原