80年代以来 ,陇南地区受全球气候变暖的影响 ,干旱加重 ,水资源渐趋贫乏 ,加之原有一些排灌系统年久失修或遭破坏而被废弃 ,水稻种植面积和总产量锐减。随着人们生活水平的提高和对稻米需求的增加 ,市场上稻米供求矛盾突出。因此 ,在我区大力推广旱稻具有重要意义。旱稻即旱作? Since the 1980s, Longnan region has been affected by global warming. Drought has been aggravating and water resources have become increasingly scarce. In addition, some of the irrigation and drainage systems were disrepair or destroyed and abandoned. As a result, the rice acreage and total output dropped drastically. With the improvement of people’s living standards and the increasing demand for rice, the contradiction between the supply and demand of rice in the market is outstanding. Therefore, in our region to promote Upland rice is of great significance. Upland rice is dry?