title: The application of the membrane filter technique in counting Azobacter.
mesh_terms: D001395:Azotobacter / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D002452:Cell Count; D003470:Culture Media; D008722:Methods; D008851:Micropore Filters; D012988:Soil Microbiology; D014871:Water Microbiology
chemical_list: D003470:Culture Media