|
Elemental concentrations given urine dosages of 100 kg ammonia nitrogen per hectare.
| Species | Unit | Urine
application | 1995
Swedish
limit | 2000
Swedish
limit |
|---|
| Total N | kg/ha | 102 | | |
| NH3/NH4+-N | kg/ha | 100 | 150 | 150 |
| P | kg/ha | 9 | 22 | 22 |
| K | kg/ha | 28 | | |
| Hg | g/ha | 0.01 | 2.5 | 1.5 |
| Cd | g/ha | 0.03 | 1.75 | 0.75 |
| Pb | g/ha | 0.3 | 100 | 25 |
| Cr | g/ha | 0.5 | 100 | 40 |
| Ni | g/ha | 1.7 | 50 | 25 |
| Cu | g/ha | 69 | 600 | 300 |
| Zn | g/ha | 5.5 | 800 | 600 |
|