BIOSTIM / BIOSTIM – is a biological preparation intended for pre-sowing seed treatment. The preparation contains soil bacteria Bacillus polymyxa strain Mace IMB B-7995 and antagonistic fungus Trichoderma harzianum strain T-22 IMB F-100180. The preparation is used for treating corn and vegetable crop seeds, which contributes to increased yield due to the biological activity of its components. The preparation is used in paste form and applied to seeds prior to sowing. The recommended dosage is 0.75–1.0 kg of preparation per 7–12 liters of water for treating one ton of seeds. Treatment is performed once, 60 days prior to sowing into the soil. BIOSTIM / BIOSTIM is produced by the company «COMPANY «IMEX AGRO», LLC» in Ukraine. The preparation provides protection for plants against possible diseases and promotes more effective growth and development of crops.