解放以来,陕北地区已建成大中小型淤地坝3.4万多座,总库容34.31亿立方米,已拦泥25.51亿立方米,占总库容的74.3％;共可淤地87.2万亩,已淤成坝地60.1万亩,目前已利用56.5万亩,年产粮食1.6亿公斤,其中延安地区为0.6亿公斤,占全区粮食总产的12％;榆林地区为1.0亿公斤,占全区粮食总产的16％左右。 Since the liberation, more than 340,000 large, medium and large silt dam have been built in northern Shaanxi with a total storage capacity of 3.431 billion cubic meters, 2.551 billion cubic meters of silt has been suspended, accounting for 74.3% of the total storage capacity; a total of 87.2 million mu of silt can have been 60,100 hectares of silt dam, has now utilized 565,000 mu, with an annual output of 160 million kg of grain, of which 60 million kg in Yanan, accounting for 12% of the region’s total grain output; Yulin area of ​​100 million kg, accounting for the region About 16% of total grain output.