Jönsson study

 

Elemental concentrations given urine dosages of 100 kg ammonia nitrogen per hectare.

SpeciesUnitUrine
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