The Optimaze preparation is a biological agent intended for use in agriculture. It contains Bradyrhizobium japonicum bacteria (strains 61A273 and 61A212) at a concentration of 0.1 to 1.0% (2x10^9 CFU/ml), as well as lipochitooligosaccharide in a minimum amount of 1x10^-7%. The preparation is used to increase the yield of agricultural crops. The manufacturer is the company "Monsanto Ukraine" located in Ukraine. Optimaze is recommended for use during seed treatment, which promotes improved plant growth and development.