国内玉米高效节水灌溉水肥一体化技术研究现状与展望

Research Status and Prospect of Water and Fertilizer Integration Technology for High Efficiency Water Saving Irrigation of Maize in China

国内高效节水灌溉水肥一体化技术因其节水、节肥、高效等特点得以快速推广及大面积应用。首先阐述了目前国内高效节水灌溉水肥一体化技术模式现状,然后简要回顾了高效节水灌溉水肥一体化技术对玉米作物产量、水分和肥料利用效率的影响,分析了高效节水灌溉水肥一体化技术目前存在的主要问题,提出了相应的建议对策并展望了今后需要进一步关注的方向,以期为提升玉米高效节水灌溉水肥一体化技术应用提供技术参考。

The integrated technology of water and fertilizer in high-efficiency water-saving irrigation has been rapidly promoted and widely applied due to its characteristics of water saving,fertilizer saving and high efficiency.In this paper,the current situation of water and fertilizer integration technology mode of high-efficiency water-saving irrigation in China was expounded firstly.Then,the effects of water and fertilizer integration technology of high-efficiency water-saving irrigation on maize yield,water and fertilizer utilization efficiency were briefly reviewed.The main problems existing in the water and fertilizer integration technology of high-efficiency water-saving irrigation were analyzed.The corresponding countermeasures were put forward and the direction of further attention in the future was prospected,in order to provide technical reference for improving the application of water and fertilizer integration technology in efficient water-saving irrigation of maize.