Nitrification:- this has referred to the conversion of -NH4 to NO3 via NO2.
- the boiling point if it's are highest corresponding to any organic compound.
-it is colourless, neutral and sparingly soluble in water.
denitrification:- NO3 ==> N2 (g). This is a reductive mechanism. It is only one mechanism during which nitrate is reduced.
- require the presence of organic matter (carbon source) to act as an electron donor