Using cotton seed hull,saw-dust,corn cob which are aboundent in Shanxi as substrate,to select formula of substrate suitable for Shanxi and northern areas.

• 以山西丰富的棉籽壳、木屑、玉米芯作为主料进行栽培,筛选出适合于山西及至北方地区栽培的培养料配方。