The effectiveness of the use of biological preparations based on soy

The article presents the results of a study of the effectiveness of the use of biological preparations Nitrofix P and Nitrofix Z for pre-sowing seed treatment, control - without treatment. The research was conducted in 2020-2021. Of the three variants of the experiment, the most effective option should be noted with the treatment of the liquid form of the drug Nitrofix Zh (2.5 l/t). The profitability indicator for this option is the maximum in the experience - 199.7%, control - 143.1%.