Question

What is the difference between nitrogen fixation and nitrification?
I know already that:

Nitrification = oxidisation of ammonia to nitrite to nitrate

Nitrogen fixation = nitrogen to nitrate

Is the only difference that one begins with nitrogen and the other with ammonia, plus nitrification has an extra stage?

Answer 1

Answer:

The main difference between nitrogen fixation and nitrification is that nitrogen fixation is the conversion of nitrogen gas (N2) into nitrogen-containing substances, whereas nitrification is the conversion of ammonium ions (NH4+) to nitrites (NO2-) and nitrates (NO3-).

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