中阳县位于吕梁山西麓,大部分地区属三川河流域。全县214万亩总面积中,水土流失面积就有114万亩,占53.3％。境内梁峁起伏,沟壑纵横,十年九旱,地瘠人穷。解放后,在党和政府领导下,全县人民付出了艰辛的劳动,水保工作取得了一定成绩。特别是从1983年国家把三川河列为全国重点治理流域后,我们总结了过去治山治水的经验教训,进行科学治理水土,确定了“工程和生物措施同时抓,远期和近期效益相结合,治理和管护工作一齐上,统一规划,突出重点,综合治理”的指导思想,以田面建设和生物措施为重点,以户包治理为基础,采用多种形式抓水保,取得了更明显的效果。1986年1～11月份,共投资96万元,完 Zhongyang County is located in the western foot of Luliangshan, Sanchuan River Basin in most areas. The total area of ​​2140000 acres of the county, soil erosion area has 1140000 mus, accounting for 53.3%. The territory of ridges and rolling ups and downs, ravines aspect, nine drought ten years, barren poor. After the liberation, under the leadership of the party and the government, the people of the county have made painstaking efforts and some achievements have been made in the work of water conservation. In particular, since 1983, when China listed the Sanchuan River as a national priority river basin, we summed up the experiences and lessons learned from past mountain water management and scientifically controlled soil and water. We have determined that “engineering and biological measures should be grasped at the same time, the long-term and the short-term benefits should be combined, Governance and management work together, unified planning, focus, comprehensive management ”guiding ideology to field construction and biological measures as the key to household management, based on the use of various forms of grasping water and soil conservation, made more obvious effect. From January to November 1986, a total investment of 960000 yuan, finished