甘肃省中部地区位于黄土高原的西部,干旱少雨,植被稀少,以旱作农业为主。干旱对该地区的农业生产造成了严重威胁。但劳动人民长期以来在实践中总结经验,创造了一种特殊的耕作方法——铺压砂田,与干旱作斗争并取得了显著成效。甘肃省拥有砂田面积120.10万亩,其中兰州市68.71万亩、武威29.13万亩、定西19.91万亩、天水1.24万 The central part of Gansu Province is located in the western part of the Loess Plateau, with less rainfall and less vegetation, with dry farming as its mainstay. Drought has posed a serious threat to agricultural production in the area. However, the working people have for a long time summed up their experience in practice, creating a special farming method - laying sand fields, fighting the drought and achieving remarkable results. Gansu Province has an area of ​​12010000 acres of sand fields, of which 687100 acres of Lanzhou City, 291300 acres of Wuwei, Dingxi199100 acres, 12400 Tianshui