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膨胀蛭石具有保温、保水、保肥、透气好、无杂菌的优点。1980年以来,我们用蛭石代替土壤培养天麻,在不加温的室内,平均气温18.3℃,平均相对湿度79％,蛭石厚10厘米处平均地温18.6℃。1980年4月种植,1981年元月收获。与土壤里栽培的天麻比较,平均增产2.5倍,其中最高可增产4.2倍。这一试验成功,为天麻大规模、工厂化生产,展示了广阔前景。培养方法在室内地面上砌长、宽各1米,高30厘米的培养床。床底铺放5厘米厚的小卵
Expanded vermiculite with insulation, water, fertilizer, breathable, no bacteria advantages. Since 1980, we use the vermiculite instead of soil to cultivate gastrodia tuber, in the unheated chamber, the average temperature is 18.3 ℃, the average relative humidity is 79% and the average thickness of vermiculite is 10cm, 18.6 ℃. Planting in April 1980 and harvesting in January 1981. Gastrodia cultivation compared with the soil, the average yield 2.5 times, of which the maximum yield 4.2 times. The success of this experiment, Tianma large-scale, factory production, showing a broad prospect. Training methods In the indoor floor length, width of 1 meters, 30 cm high culture bed. Bed laying 5 cm thick eggs