title: Population ecology of nitrifying bacteria.
mesh_terms: D001431:Bacteriological Techniques; D041841:Bradyrhizobiaceae / Q000254:growth & development* / Q000378:metabolism; D003470:Culture Media; D004463:Ecology; D005455:Fluorescent Antibody Technique; D008433:Mathematics; D009573:Nitrites / Q000378:metabolism*; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D012988:Soil Microbiology; D014871:Water Microbiology
chemical_list: D003470:Culture Media; D009573:Nitrites; D000644:Quaternary Ammonium Compounds