炎陵县位于湖南省东南边缘 ,境内海拔高度悬殊 ,生态类型多样。为发挥自然资源优势 ,调整山区农业结构 ,增加农民收入 ,2 0 0 0年 3月该县从湖北省调运花魔芋种芋 1 0 .5ｔ,在桃源洞自然保妒区集中连片种植 2ｈｍ2 。由于组织推广了魔芋防病高效栽培技术 ,在 8月份遭遇连续高温 Yanling County is located in the southeastern edge of Hunan Province, the disparity in the altitude, the ecological types and diverse. In order to give play to the advantages of natural resources, adjust the agricultural structure in mountainous areas and increase the incomes of peasants. In March 2000, the county transferred 150,000 tons of konjac species from Hubei Province in March 2000 and 2 hm ^ 2 in the nature reserve area of ​​Taoyuan Cave. Due to the organization to promote efficient cultivation of konjac disease prevention, in August suffered a continuous high temperature