Bioinoculant-BTU-t is a biological preparation containing Bradyrhizobium japonicum and Rhizobium leguminosarum at a concentration of 50±20%, as well as a titer of 2.5×10⁹ CFU/g. The preparation includes macro- and microelements, biologically active products of bacterial activity: vitamins, heteroauxins, gibberellins, and other components. The filler is peat neutralized with lime. The preparation is intended for use in agriculture, especially for soybean cultivation. It increases crop yields due to the biological activity of the microorganisms and nutrients contained in it. It is used both for seed treatment and for soil fertilization. Bioinoculant-BTU-t is produced by the company PP 'BTU-Center' in Ukraine. It can be used both on an industrial scale and for retail sale to the public. The preparation is environmentally safe and contains no chemicals, making it an ecologically clean solution for increasing agricultural productivity.