The results showed that the optimal combination was A3B1C2D1, The most suitable matrix was peal: perlite: saw dust: decayed grass fiber at the ration of 3:2:1(volume).

• 结果表明：泥碳：珍珠岩：锯木屑：菇渣为3:1:2:1（体积比）为最佳组合。