乌天麻以麻体形态好,折干率高(30%强),质量优而较红天麻、黄天麻的价格高出三四倍。乌天麻之所以价格高,还因为无论是人工栽培,还是野生分布的区域和数量都很少。因此,人工栽培乌天麻需把握以下要点:1.栽培区域乌天麻大多分布在云、贵、川,东北三省也有分布。在长江流域,只有海 Black Gastrodia to Ma body morphology is good, high rate of dry (30% strong), superior quality and more gastropod, Huang Tianma price three or four times higher. The reason why Wu Tianma is expensive is also because there are very few areas and quantities distributed wildly, whether cultivated or not. Therefore, artificial cultivation of Gastrodia must grasp the following points: 1. Cultivation of Urania Mostly distributed in the cloud, expensive, Sichuan, northeast provinces also have distribution. In the Yangtze River, only the sea