湖南北部地处长江流域,冬季气温较低,春节过后各种蔬菜处于淡季。为使平菇在早春能供应市场需求,我们进行了冬季培养菌丝,早春覆土栽培平菇试验,经两年栽培,生物效率均达150％以上,经济效益较高。现将其栽培方式简报如下。 (一)制备培养料可选用以下两种配方:①棉子 The northern part of Hunan is located in the Yangtze River Basin. The temperature in winter is low. After the Spring Festival, all kinds of vegetables are in the off-season. In order to make Pleurotus ostreatus supply market demand in early spring, we conducted mycelial culture in winter and Pleurotus ostreatus test in early spring. After two-year cultivation, the biological efficiency reached over 150% and the economic benefits were high. The cultivation method is as follows. (A) preparation of culture materials can choose the following two formulations: ① cotton