Ecowital — this is a bacterial suspension, representing a biological preparation. The preparation contains Bradyrhizobium japonicum 2v and Bacillus megaterium 6, with titers of both strains not less than 3 x 10^9 CFU/ml of the preparation. The preparation is used for treating seeds of leguminous crops at a rate of 200 ml per hectare, once. The preparation is produced by the Institute of Microbiology and Virology named after D.K. Zabolotny of the National Academy of Sciences of Ukraine, located in the city of Kyiv, Ukraine. It is intended for use in the agricultural sector to enhance the growth efficiency of leguminous crops.