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米脂县杜家石溝農業社,位于无定河中游的一条支溝里,是一个典型的丘陵溝壑区,溝壑占总土地面積的30％以上,全社7.88平方公里面積中约有大小支溝15条,耕地大部在山坡上,凡是人能到之处,都作了農田,水土流失、早涝等災均很嚴重。所以羣众說这里的自然特点是:“三年兩头旱,暴雨冲地稀破爛”。由于水土流失嚴重,災害多,農業產量很低,过去每亩只收四、五十斤,在旧社会羣众生活非常貧困,当地有“一年三百六,瓜菜山蔓做朋友”的說
Mizhi County Dujia Shigou agricultural society, located in the middle reaches of Wudinghe a tributary, is a typical hilly and gully area, gully accounts for more than 30% of the total land area, the whole community of about 7.88 square kilometers area of about the size of the branch ditches 15, most of the cultivated land on the hillside, wherever people can go, have made farmland, soil erosion, floods and other early floods are serious. Therefore, the masses said that the natural feature here is: “Three years of drought, heavy rages rushed to rotten.” Due to serious soil erosion, disasters and low agricultural output, in the past, only 4 to 50 kilos were collected per mu. In the old society, people lived in very poor conditions. There were “one year three hundred and sixteen” Say