The Bio-Gel-Plus preparation is a biological preparation containing not less than 6*104 IU/ml of Bacillus subtilis. It is intended for use in agriculture and is used both for seed treatment and for spraying plants during their vegetation period. The preparation is used on cereal, leguminous and oilseed crops: for seed treatment, 1.5 – 2.0 L/tonne once, and for spraying — 1.5 – 2.0 L/ha three times. It is also used on vegetable crops: for seed treatment, 2.0 ml/kg once, and for spraying — 1.0 – 2.5 L/ha one to three times. Retail sale to the public is also possible: for seed treatment of vegetable crops, 2.0 ml/kg once, and for spraying — 10 – 25 ml/100 m2 one to three times. The preparation is effective and safe for agricultural use.