治山改土脱贫致富——镇雄农田建设回顾镇雄县农牧局６５７２００杜美地处云贵川三省结合部的镇雄是云南最大的农业县。多年来，这个地处偏僻的贫困县受到了气候恶劣、土地贫瘠、生态恶化、灾害频繁的折腾，农业生产高投入低产出，１９９４年以前全县有６０余万人在温饱线... Land improvement and poverty alleviation - Review of Zhenxiong farmland construction Zhenxiong County Agriculture and Animal Husbandry Bureau 657200 Tucson is located in the junction of Yunnan, Guizhou and Sichuan provinces Zhenxiong is the largest agricultural county in Yunnan. Over the years, the impoverished counties in remote areas have suffered from bad weather, poor soil conditions, deteriorating ecology and frequent disasters, as well as high input and low output of agricultural production. Before 1994, more than 600,000 people in the entire county were living in ...