对节水灌溉与粮食安全的认识

近几年来，保障粮食安全已经成为世界各国特别是发展中国家日益关注的重大政治、经济和社会问题。在我国由于人口增加，耕地面积减少，水资源的严重不足，对我国未来的粮食安全产生直接影响。水利的发展证明了灌溉对农业生产的发展发挥了主导作用。采用节水灌溉技术可以提高灌溉水的利用效率和使用效率，进而提高未来粮食生产能力。保证粮食安全，促进农业可持续发展。

The Recognition on Water- saving Irrigation and Crop Safety

In recent years,insuring crop safety has already become a important political,economic and social problem to all the countries,especially to the developing countries.In our country,population increasing,farmland decreasing and scarcity of water resources will make severe influences on crop safety in the future.Irrigation plays a very important role in the agricultural production.Adopting the technology of water-saving irrigation can improve the water efficiency of irrigation and water use efficiency;furthermore improve the capacity of crop production,insure the crop safety,and promote the sustainable development of agriculture.