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Page 1: Denitrification Atmospheric Nitrogen (N · Atmospheric Nitrogen (N 2) Assimilation Plants Denitrifying bacteria Nitrogen-fixing bacteria in legume root nodules Nitrogen fixation Decomposers

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

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