The Substrate Science Behind Oyster Mushroom Yields
Why Substrate Ratios Matter More Than Most Growers Realize Oyster mushrooms (Pleurotus ostreatus) are forgiving. They grow on cardboard, straw, coffee.
Substrate and Materials
Spawn-to-Substrate Ratio: The Short Answer First
Mushroom Spawn to Substrate Ratio: The Number You Need Before You Mix Use 10-20% grain spawn by dry weight of your substrate. If you have 10 lbs of dried.