Choose your answer before opening the explanation. This is a learning exercise, not a competency assessment.
Spent compost should be:
- Stacked near ready compost
- Pitted and covered with at least 10 cm of manure
- Left for flies to clear
- Spread on the straw yard
See the answer and why
Pitted and covered with at least 10 cm of manure NHB advises pitting and covering it to check fly breeding near the unit.

