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 |
|---|---|---|
| Crops per room per year (NHB) | 6 crops | NHB DPR model, 2018. Minimum, after a 30 day cropping period. |
| Crop cycle in the DMR model | 60 days per room | ICAR-DMR manual, 2011. Controlled rooms, indoor compost. |

