In button mushroom you grow the food for the fungus first and the fungus second. See why compost, casing and the room each exist, and every later decision makes sense.
- By the end you can name the stages of the button crop in order and say what each does.
- By the end you can explain what compost does and what casing does.
- By the end you can state the two temperature bands and match each to its stage.

