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定西县自1986年被列为黄河中游骨干工程试点县后,在各级领导的支持下,艰苦创业,严格按照《水土保持治沟骨干工程暂行技术规范》,在关川河流域内开始了治沟骨干工程的重点建设。五年来,已在花岔、石门、官兴岔、松川、小南岔五条小流域内建成骨干坝47座(其中完成国家安排的骨干工程13座,包括1座水库),总库容1800万m~3,可淤地2550亩,坝系控制面积150km~2。定西县在抓紧修建骨干工程的同时,注意发挥工程前期效益,并取得了显著的成绩。
Since Dingxi County was listed as a pilot counties in the key project of the middle reaches of the Yellow River in 1986, with the support of leaders at all levels, Dingxi County worked arduously to start a trench management in strict accordance with the Interim Technical Specifications for Water and Soil Conservation and Drainage Improvement Project The key construction of key projects. In the past five years, 47 backbone dams have been constructed in five small drainage basins of Huafu, Shimen, Guanxingcha, Songchuan and Xiaonancha (13 backbone projects including one completed national arrangement) with a total capacity of 18 million m ~ 3, 2550 acres of silt, dam system control area of 150km ~ 2. Dingxi County, while paying close attention to the construction of key projects, paid attention to the pre-project benefits, and achieved remarkable results.