Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
Compost at 75 per cent moisture at spawning is likely to:
- Go anaerobic and grow plaster moulds
- Pin earlier
- Dry itself safely
- Raise the pH
See the answer and why
Go anaerobic and grow plaster moulds DMR sets 72 per cent as the ceiling for aeration.

