The Meganit Nirbator preparation is a biological preparation containing various types of bacteria. Its composition includes Azotobacter chroococcum, Azospirillum lipoferum, Bacillus subtilis and Bacillus megatherium with a specific number of viable cells per cubic centimeter. The preparation is used in various areas of agriculture to improve plant growth. It is used in cereal crops, corn, sunflower and fruit crops, making it a universal tool for enhancing the efficiency of agricultural work.