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我县张马小流域是沭河的发源地,属东于沟乡所辖,总面积28.73平方公里,其中耕地7074亩,宜林地30683亩,村庄、道路及其它占地4938亩,流域内有9个行政村,6260口人,人均1.1亩耕地,5.6亩山滩。水土流失面积22.72平方公里,占总面积的79％,侵蚀模数为每平方公里4322吨。水土流失阻碍了农业生产的发展。1984年列为试点小流域,加决了治理水土流失的步伐,到1985年底,两年治
Zhang Ma small watershed in my county is the birthplace of Shuhe, belongs to the East in the ditch Township jurisdiction, with a total area of 28.73 square kilometers, of which 7074 acres of arable land, 30683 acres of forest land, villages, roads and other covers an area of 4938 acres, the basin 9 administrative villages, 6260 people, 1.1 mu of arable land per capita, 5.6 acres of mountain beach. Soil and water loss area of 22.72 square kilometers, accounting for 79% of the total area, erosion modulus of 4,322 tons per square kilometer. Soil erosion has hindered the development of agricultural production. 1984 as a pilot small watershed, plus the pace of soil erosion control, to the end of 1985, two years