Biological preparation «Bio-complex «Satex» is a microbiological product containing such active substances as Azotobacter croococcum and Bacillus Subtilis. The concentration of these microorganisms ranges from 1?107 to 1?1010 CFU/ml. The preparation is intended for use in agriculture, specifically for cereal crops. The manufacturer of this preparation is the trading company «SATÉK», located in Ukraine. This preparation can be used to improve plant growth and development through the action of beneficial microorganisms that facilitate the uptake of nutrients from the soil.