These figures belong to the named source and method. Historical costs are not current quotations. A value without its stage, material basis or measurement location is not a farm instruction.
| What is measured | Value and basis | Source and limitation |
|---|---|---|
| Air through the stack | 10-15 m3 per tonne wet compost per hour | ICAR-DMR manual, 2011. aerated Phase I, delivered air |
| Oxygen during conditioning | 10 % and above | ICAR-DMR manual, 2011. keeps the mass fully aerobic |

