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 |
|---|---|---|
| False truffle appears above | 23 °C | ICAR-DMR manual, 2011. February to early March on the north Indian plains. |
| Ceiling in spawn run and after casing | 26-27 °C | NHB DPR model, 2018. Cropping below 18 °C. |

