[Nitrogen-fixing bacteria of paddy fields in the South of Ukrainian SSR].
D001395:Azotobacter / Q000378:metabolism*; D009161:Mycobacterium / Q000378:metabolism*; D009586:Nitrogen Fixation; D012275:Oryza; D014455:Ukraine
Azotfiksuiuchi bakterii rysovykh poliv pivdnia URSR.