位于甘肃省定西市南部的漳县由于工业基础薄弱,远离污染源,土壤、大气、水质等产地环境良好,高寒阴湿的凉爽气候也非常适宜发展当归等中药材无公害生产,故栽培当归历史悠久,是驰名中外的“岷归”主产区和原产地,所产当归产量高、品质好、药效佳,深受中外客商青睐。但在生产实践 Zhang County, located in the south of Dingxi City, Gansu Province, has a long history of cultivation due to its weak industrial foundation, good environment far away from pollution sources, soil, air and water quality, and a cool climate of alpine shady wetlands. , Is famous at home and abroad, “Min return” the main producing areas and the origin, the high yield Angelica, good quality, good efficacy, favored by Chinese and foreign investors. But in production practice