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 |
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