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 |
|---|---|---|
| Chicken manure nitrogen | 3.0 % of dry weight | ICAR-DMR manual, 2011. deep litter; the same chapter uses 2.6 |
| Minimum batch | 300 kg of base material | ICAR-DMR manual, 2011. smaller piles never reach composting temperature |

