Answer:
The Pennsylvania State University,
College of Agriculture, Extension Service,
University Park, Pennsylvania
Mushroom farming consists of six steps, and although the divisions are somewhat arbitrary, these steps identify what is needed to form a production system.
The six steps of mushroom farming:
Phase I
1. Composting
Phase II
2. Composting
3. Spawning
4. Casing
5. Pinning
6. Cropping