Agriculture and forestry

Shcatula Yurii – Candidate of Agricultural Sciences, Associate of Professor of the department of agriculture, soil science and agrochemistry of Vinnytsia National Agrarian University (21008, Vinnytsia, Sonaychna St. 3, e-mail: shkatula@vsau.vin.ua).

Tatiana Zabarna − Candidate of Agricultural Sciences (PhD), Senior Lecturer of the Department of Soil Management, Soil Science and Agrochemistry, Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str.3, е-mail : zabarna-tanja@ukr.net ).

Volodymyr Chereshnyuk – postgraduate student of the Department of Agriculture, Soil Science and Agrochemistry of Vinnytsia National Agrarian University (21008, Vinnytsia, Sonaychna St. 3, e-mail: chereshnyk_vova@ukr.net).

The publication highlights the influence of inoculants Bioinoculant BTU-p, BioMag, Atuva + Protector Premax and microfertilizers for foliar feeding Yarylo Soya and Helprost Soya, which were used in the 3rd leaf and budding phases on the formation of soybean productivity of Pallada variety in the conditions of the Right-Bank Forest-Steppe. According to the results of the research, treatment of soybean seeds with inoculants Bioinoculant BTU (3.0 l/t), BioMag-soybean (7.0 l/t) and Atuva + Protector Premax (2.0 l/t + 0.5 l/t) provided an increase in field germination of soybean seeds to 85.8-86.6%, which is 0.2-1.0% more than the control (without inoculation). The highest number of soybean plants before harvesting 535.6 thousand. /ha was observed in the areas where soybean seeds were treated with Atuva inoculant + Premax protector (2.0 l/t + 0.5 l/t), and during the growing season, foliar feeding of soybean plants with Yarylo Soya microfertilizers (2, 0 l/ha) in the phase of the 3rd leaf, and Helprost Soya (3.0 l/ha) in the budding phase, which is more than the control (without inoculation and foliar fertilisation) by 39.8 thousand. /ha. The highest yields, namely 2.6 t/ha of soybean seeds of Pallada variety in 2023, were provided by the variant where seeds were inoculated with Atuva + Premax protector, 2.0 l/t + 0.5 l/t, and with two fertilisations in the corresponding phases of growth and development (Yarylo Soya + Helprost Soya (3.0 + 3.0 l/ha)). Under similar growing conditions, in 2024, 2.81 t/ha of soybean seed yield was obtained. Thus, on average, over the years of research, this figure was 2.71 t/ha, which is 0.92 t/ha more than in the control variant. The use of inoculants as a pre-sowing treatment of soybean seeds had a positive effect on the formation of the crop. The use of foliar fertilisation with complex fertiliser with a balanced content of nutrients Yarylo Soya in the 3rd leaf stage of soybean ensured its need for nutrients in the initial period. The use of Helprost Soya organo-mineral fertiliser in the budding phase met the soybean's need for biologically active substances, including micro- and macroelements, during the formation of generative organs. While the combination of all these measures allowed to obtain the highest seed productivity of soybeans. The publication highlights the influence of inoculants Bioinoculant BTU-r, BioMag, Atuva + Protector Premax and microfertilisers for foliar feeding Yarylo Soya and Helprost Soya, which were used in the phases of the 3rd leaf and budding on the formation of soybean productivity of Pallada variety in the conditions of the Right-Bank Forest-Steppe. According to the results of the research, treatment of soybean seeds with inoculants Bioinoculant BTU (3.0 l/t), BioMag-soybean (7.0 l/t) and Atuva + Protector Premax (2.0 l/t + 0.5 l/t) provided an increase in field germination of soybean seeds to 85.8-86.6%, which is 0.2-1.0% more than the control (without inoculation). The highest number of soybean plants before harvesting 535.6 thousand. /ha was observed in the areas where soybean seeds were treated with Atuva inoculant + Premax protector (2.0 l/t + 0.5 l/t), and during the growing season, foliar feeding of soybean plants with Yarylo Soya microfertilizers (2, 0 l/ha) in the phase of the 3rd leaf, and Helprost Soya (3.0 l/ha) in the budding phase, which is more than the control (without inoculation and foliar fertilisation) by 39.8 thousand. /ha. The highest yields, namely 2.6 t/ha of soybean seeds of Pallada variety in 2023, were provided by the variant where seeds were inoculated with Atuva + Premax protector, 2.0 l/t + 0.5 l/t, and with two fertilisations in the corresponding phases of growth and development (Yarylo Soya + Helprost Soya (3.0 + 3.0 l/ha)). Under similar growing conditions, in 2024, 2.81 t/ha of soybean seed yield was obtained. Thus, on average, over the years of research, this figure was 2.71 t/ha, which is 0.92 t/ha more than in the control variant. The use of inoculants as a pre-sowing treatment of soybean seeds had a positive effect on the formation of the crop. The use of foliar fertilisation with complex fertiliser with a balanced content of nutrients Yarylo Soya in the 3rd leaf stage of soybean ensured its need for nutrients in the initial period. The use of Helprost Soya organo-mineral fertiliser in the budding phase met the soybean's need for biologically active substances, including micro- and macroelements, during the formation of generative organs. The combination of all these measures resulted in the highest seed productivity of soybeans.

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