NO3-N load from watershed, kg ha yr-1
1.9
5.3
22.8
19.2
17.6
1998
5.23
4.4
11.5
14.9
6.9
1999
12.4
16.4
50.8
46.8
36.1
Total
5.5
6.7
Pasture
4.9
16.1
13.4
11.6
1997
4.0
Rainfall
16.8
Crop
15.6
Ditch
12.0
r. Graisupis
AVG
Largest load
from crop