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 |
|---|---|---|
| Light for oyster pinheads | 200 lux for 8-12 hours per day | ICAR-DMR manual, 2011. Only at fruiting; mycelium needs no light at all. |

