The product is called Optimayz, PK and is a biological preparation. Its composition includes bacteria Bradyrhizobium japonicum (strains 61A273 and 61A212) in amounts from 0.1 to 1.0% (2x10^9 CFU/ml), as well as lipochitooligosaccharide (LCO) in a minimum amount of 1x10^-7%. The preparation is produced by the company TOV "Monsanto Ukraine" in Ukraine. The application area of the preparation is soy.