Panasіuk Ruslana Mykolaуivna

During 2017-2019, experiment was established on the research field of the Department of Plant Technology of Lviv National Agrarian University. This research included the study of the effect of a new complex fertilizer Nitroammophoska - M (manufacturer «Tetra Agro», Chervonograd, Lviv region, Ukraine) on the dynamics of nodules formation in soybean Mentor varieties (entered in the Register of plant varieties of Ukraine in 2013). The experiment was laid out according to the following scheme: 1 - Without fertilizers (control); 2 - Phosphorite flour (5 c / ha); 3 - Nitroammophoska - M (2 c / ha); 4 - Nitroammophoska - M (3 c / ha); 5 - Nitroammophoska - M (4 c / ha); 6 - Nitroammophoska - M (5 c / ha). Seeds were inoculated before sowing. According to the following methods [1-4], the experiment was accompanied by records and laboratory analyzes during the growing season