To prepare sawdust for mushroom cultivation, I followed these steps:
1. **Select sawdust:** Use hardwood sawdust, as softwood can hinder growth.
2. **Dry sawdust:** Spread in a well-ventilated area until completely dry.
3. **Sterilize sawdust:** Eliminate harmful microorganisms using a sterilization method.
4. **Soak sawdust:** Submerge in water for 24-48 hours until damp but not saturated.
5. **Drain and cool:** Use a colander