Question

Difference between biological and chemical fixation of nitrogen

Answer 1

Nitrification is the biological oxidation of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates - carried out in soil by the action of nitrifying bacteria on decaying organic matter.

Answer 2

Chemical fixation of nitrogen is due to the lightening which change nitrogen into nitrates ,whereas, Biological fixation of nitrogen is due to the ribozium present in the root nodules.