[Efficacy of biological preparations of soybean root nodule bacteria modified with a homologous lectin].

The effect of various biopreparations of the root nodule bacterium Bradyrhizobium japonicum, modified with a homologous lectin, on the virulence of Rhizobia, the nitrogen-fixing activity of root nodules, and the productivity of the soybean (Glycine max (L.) Merr.) was studied.