There was no significant differenc e in yield of Flemmulina velutipes between the medium of fir sawdust mixed w ith crust of cotton seed and the medium of sole cotton seed crust.

• 结果表明:以冷杉木屑与棉籽壳混合碳源的培养基其菇产量同对照的棉籽壳培养基无显著差异;