黑木耳,俗称木耳、云耳、光木耳。它营养丰富,含有蛋白质和矿物质元素,其胶质体有巨大的吸附能力,能起润肺和洗涤肠胃的作用,是纺织、矿山、理发、棕棉等工人的重要保健食品,有补血、强精、镇静等医疗效果。因此,市场上很受欢迎,是现阶段紧俏的商品之一。我国黑木耳栽培历史悠久,三国、唐朝、明代均有记载。但长期以来产量低,周期长,靠天吃饭,一般每百斤段木只能收干木耳1.5～2斤。这种生产方式一直沿用至今,产品往往不能满足市场需求。近年来各 Black fungus, commonly known as fungus, cloud ear, light fungus. It is rich in nutrients, contains protein and mineral elements, its colloid has a huge adsorption capacity, can play a role in lungs and wash the stomach, is an important health food for workers in textile, mining, barber, brown cotton, blood, Strong essence, sedation and other medical effects. Therefore, the market is very popular, is one of the goods in short supply at this stage. China’s black fungus cultivation has a long history, the Three Kingdoms, Tang Dynasty, Ming Dynasty records. However, long-term low output, long cycle, rely on the weather to eat, usually only per kilogram of wood received dry fungus 1.5 to 2 kg. This mode of production has been in use so far, the product often can not meet market demand. In recent years