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 |
|---|---|---|
| Log diameter | 9-18 cm | ICAR-DMR manual, 2011. From trees of 15 to 20 years |
| Block spawn run | 60-80 days | ICAR-DMR shiitake folder. The manual table says 50 to 120 days |

