[Effectiveness of nodular bacteria strains on feed beans as dependent on the soil content of mineral nitrogen].
D009586:Nitrogen Fixation; D010945:Plants, Edible; D012988:Soil Microbiology / Q000032:analysis*; D014586:USSR
Effektivnost' shtammov kluben'kovykh bakteriĭ kormovykh bobov v zavisimosti ot soderzhaniia mineral'nogo azota v pochve.