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 |
|---|---|---|
| Free ammonia at the end of Phase I | 800-1000 ppm | ICAR-DMR manual, 2011. this is what Phase II converts |
| Compost per tonne of straw | 1.75-2.0 tonnes | ICAR-DMR manual, 2011. long method; indoor gives 3.0 to 3.5 |

