SUBSTRATE PREPARATION
When I prepared sawdust as a substrate for mushroom cultivation, I followed a common method that many mushroom growers use. Here are the steps I took to prepare the sawdust:
1. **Selecting the right sawdust**: I made sure to use sawdust from hardwood trees, knowing that softwood sawdust can hinder mushroom growth. I opted for sawdust from oak, maple, or beech trees.
2. **Drying the sawdust**: I dried the fresh sawdust