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Atmospheric Nitrogen (N2)
Assimilation Plants
Denitrifying bacteria
Nitrogen-fixing bacteria in legume root nodules
Nitrogen fixation
Decomposers
Ammonium (NH4 +)
Ammonium (NH4 +)
Nitrite (NO2 -)
Nitrate (NO3 -)
Nitrifying bacteria
Nitrification
Aerobic and anaerobic bacteria
Fungi
Denitrification
Ammonification
Nitrogen fixation
Nitrogen-fixing soil bacteria Nitrifying bacteria