| Symbol | Parameter | Default Valuea | Unit |
|---|---|---|---|
| Input | |||
| Cadd | Concentration of the additive in feed | mg/kg complete feed | |
| FItotal | Total feed intake (DM) per animal per year | kg feed/year | |
| Nexcreted | Total N excretion per animal per year | kg N/year | |
| RHOd soil | Bulk density of (dry) soil | 1,500 | kg/m3 |
| DEPTHfield | Mixing depth with soil | 0.05 | m |
| CONVarea field | Conversion factor for the area of the agricultural field | 10,000 | m2/ha |
| Q | Annual nitrogen emission standard | 170 | kg N/ha |
| Intermediate results | |||
| PECmanure | Concentration of the additive (parent compound) in manure expressed per amount nitrogen | mg/kg N | |
| Output | |||
| PECsoil dw | Concentration of the additive (parent compound) in soil (dry weight) | mg/kg soildw | |
a
The use of the indicated default values in the equations is recommended. Reasons for any deviations from these values should be given by the applicant.