Method for preparing mushroom culture medium by using fruit tree branches

The invention discloses a method for preparing a mushroom culture medium by using fruit tree branches, belonging to the field of edible mushroom cultivation. The method comprises the steps: weighing 80% of fruit tree branch saw dust, 18% of wheat bran and 2% of gypsum powder, and meanwhile, adding water to uniformly mix, wherein the weight ratio of water to all the ingredients is 1:1; and filling the mixed culture material into an edible mushroom culture bag to carry out steam sterilization at normal temperature and pressure for 24h to obtain the mushroom culture medium. According to the method, the fruit tree branches are used for preparing the mushroom culture medium, so that the raw material source is widened, and the mushroom culture medium is remarkable in effect, low in cost, nontoxic and harmless, good in quality and wide in application prospect.