Nitrogen in
(N2)
Plants
Assim lation
Delenitving
Nitrogen-fling
bactena in
root nodules
of legumes
Nitrates (NO)
Decomposers
WWW
aten
Nitrily ng
bacteria
Necation
Armonification
Ammonium (NH2
Nitrogen-firing
soll Bacteria
Nitrites (NO2
Nitrifying
Bacteria
Definition: This is the cycling of nutrients among soil, litter, plant roots, and above-ground plant parts.