L1 /
3
CH3041
THE NITROGEN CYCLE
Nitrate
Nitrite
Nitrous
oxide
STABILITY (DGfo )
N2O (+1)
nitrous
oxide
N2 (O)
N2 (O)
nitrogen
NH3 (-3)
ammonia
NO2- (+3)
nitrite
NO3- (+5)
nitrate
x 1012 kg
N
x 109 kg N/a
N2O 1.4
80
NH4+
NO3- 570
Organic
N
300
300
Inorganic N
190
190
(N
%crust = 0.00%)
