元胡、夏天无被广泛用作止痛和治疗多种疾病 ,社会需求量越来越大 ,药农扩种面积也逐年增加。但因药农保种技术不高 ,致使好种出库率只有 2 0 %～ 6 0 % ,从而增加了单位面积留种量 ,提高了生产成本 ,降低了产品的商品率。我们根据元胡、夏天无喜凉爽湿润的习性 ,经过 3年的摸 Yuanhu, summer without being widely used as painkillers and treatment of a variety of diseases, social demand is more and more large, expanding area of ​​drug farmers also increased year by year. However, due to the lack of technology for medicinal plantation and seed conservation, only 20% to 60% of the good seedlings are released, thereby increasing the per unit area stock volume, raising the production cost and reducing the commodity rate of the product. According to Yuan Hu, we do not like the habit of cool and humid summer, after 3 years of touch