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 |
|---|---|---|
| Water leaving the bed | 31 g per m2 per hour | ICAR-DMR manual, 2011. at 17 C and 85 per cent humidity |
| Air speed over the bed | 15 cm per second | ICAR-DMR manual, 2011. raise only if air is humidified |

