商丘地区砂土面积约351万亩,主要分部在黄河故道及主要河道两侧.在黄河故道及其历次泛滥的主流线地带,分布着面积约有35万亩的飞砂土.其中有15万亩属沙丘、沙垄、沙荒地,现仍未完全固定下来,风蚀还较严重.另有20万亩左右的飞砂土已固定下来,并开垦利用.开垦耕作的飞砂土,粮、棉、油产量都很低.种植制度也多为一年一熟或两年三熟.主要作物是小麦、花生、红薯、棉花等.飞砂土的主要特点是“随风跑”,特别是春季,凡四级风以上者,便可起砂.风起 Shangqiu area of ​​about 351 million mu of sand area, the main branch in the Yellow River and the main channel on both sides of the main channel in the Yellow River and its previous floodplain area, the distribution of an area of ​​about 350000 acres of fly sand.Of which 15 Million mu of sand dunes, sand dunes, and deserted shrubs are still not completely fixed yet the wind erosion is still serious. Another 200,000 mu of fly sand has been fixed and reclaimed for use. Cotton, oil production are very low .Planting system is also mostly one year or two crops three years .Main crops are wheat, peanuts, sweet potatoes, cotton, etc. The main feature of fly sand is “running in the wind”, especially Spring, where four winds above, you can start sand