石灰水浸泡法用0.2%浓度的石灰澄清液,浸泡松、杉等针叶树干燥的木屑12～24小时,捞起后用清水冲洗至无浑浊,pH在7以下为止,再将水沥干,晒干后待用。如气温在20℃以下,上述浓度的石灰水浸泡至少24小时。堆积发酵法利用锯木厂旁边的水沟,不断倒进松、杉木屑填满沟面,经一段时间的风吹雨淋 Lime water immersion method with 0.2% concentration of lime supernatant, soaked pine, cedar and other coniferous dried sawdust 12 ~ 24 hours, picked up after rinse with water to no turbidity, pH below 7, then drain the water, the sun Ready to use If the temperature is below 20 ℃, the above concentration of lime water soak for at least 24 hours. Stacked fermentation method using the sawmill next to the ditch, and continue to pour into the loose, fir dross to fill the ditch surface, after a period of wind and rain