天麻别名赤箭、定风草、鬼督邮,在豫南山区又称“仙人脚”,是一种传统的名贵药用植物(图1)。过去全靠采挖野生天麻入药,近年来已发展成为人工栽培。我们根据本地雨量偏大的气候特点,采用台板式覆砂栽培法,获得了较好的效果。1982年信阳县东双河试点三个重 Gastrodia alias red arrow, set wind grass, ghost Governor post, also known as “fairy feet” in the mountains of southern Henan, is a traditional precious medicinal plants (Figure 1). In the past by digging wild Gastrodia drug, in recent years has developed into artificial cultivation. Based on the climatic characteristics of the local rainfall, we adopted the table-top sand culture method and achieved good results. 1982 Xinyang Dong Shuanghe pilot three heavy