title: [Nitrogen-fixing ability of blue-green algae in paddy fields in the South of the Ukrainian SSR].
mesh_terms: D000458:Cyanobacteria / Q000302:isolation & purification / Q000378:metabolism*; D009586:Nitrogen Fixation; D012275:Oryza; D014455:Ukraine
vernacular_title: Azotfiksuiucha zdatnist' syn'o-zelenykh vodorosteĭ rysovykh poliv pivdnia URSR.