巴盟河套是黄河流域的重要灌区之一,是发展粮、油、糖的良好基地。但由于土地盐碱化,严重的障碍了农业的快速发展,粮食平均产量一直徘徊在每亩250斤左右。全灌区现有耕地550万亩,不同程度的盐碱地就达316.3万亩,占58%,其中:重盐碱地63.6万亩,中盐碱地96万亩,轻盐碱地156.7万亩。如果把316.3万亩盐碱地加以改良治 Bameng Hetao is one of the important irrigation areas in the Yellow River Basin and a good base for the development of grain, oil and sugar. However, due to the salinization of land, a serious impediment to the rapid development of agriculture, the average grain output has been hovering around 250 pounds per mu. The whole irrigated area now has 5.5 million mu of arable land and 3,163,000 mu of salt and alkali land, accounting for 58% of the total area, including 636,000 mu of saline-alkali land, 96,000 mu of saline-alkali land and 1,567,000 mu of saline-alkali soil. If the improvement of 3,163,000 mu saline land