A Nitrification is the biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria.  
Other /More definition:
A Nitrification is the biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria. 
Other /More definition:
A Nitrification is the biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria. 
Other /More definition:
A Nitrification is the biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria. 
Other /More definition:
A Nitrification is the biochemical oxidation of ammonium to nitrate, predominantly by autotrophic bacteria. 
    
        
        
                                        