Soyex – this is a biological preparation intended for use in agriculture. The preparation is used for pre-sowing treatment of soybean seeds. The preparation contains Bradyrhizobium japonicum IBM B-7205, with a number of viable cells not less than 2.0×10⁸ per 1 ml of preparation. The preparation is applied at a rate of 2.0 liters per ton of seeds. Soyex is produced by the company "Enzym-Agro" Trading House, located in Vinnytsia, Ukraine. The preparation is recommended for use to enhance the growth and development efficiency of soybean crops.