ProFiX is a bio-preparation containing bacteria Bradyrhizobium diazoefficiens strains SEMIA 5079, Bradyrhizobium diazoefficiens strain SEMIA 5080 and Bradyrhizobium japonicum USDA442(532c). The preparation has a titre of 5.0 x 10^9 CFU/g. The preparation is used to increase the yield of agricultural crops. It is primarily used for processing soybean seeds and can be used both on an industrial scale and for retail sale to the public. The preparation is produced in granular form, which ensures ease of storage and application.