Nitrogen Fixator for Soybean — this is a biopreparation in gel form, containing the active ingredient Bradyrhizobium japonicum strain M-8. The titer ranges from 0.5 x 10^9 to 1.0 x 10^9 cells/cm³. The preparation is used to increase soybean yield by fixing nitrogen. It is applied as a seed treatment prior to planting. The preparation is manufactured by the Cherkasy Scientific and Production Center for Biological Protection of Plants, located in Ukraine. This environmentally safe product contributes to improving soil fertility and enhancing soybean cultivation efficiency. Nitrogen Fixator for Soybean is recommended for use within an integrated approach to biological plant protection. It helps reduce dependence on chemical fertilizers and ensures sustainable agricultural development.