[Distribution of nitrogen-fixing bacteria in the soils of the southern Ukrainian SSR with rice culture].
D001395:Azotobacter / Q000302:isolation & purification*; D003013:Clostridium / Q000302:isolation & purification*; D009586:Nitrogen Fixation; D012275:Oryza; D012988:Soil Microbiology; D014455:Ukraine
Poshyrennia azotfiksuiuchykh bakteriĭ u hruntakh pivdnia URSR pid kul'turoiu rysu.