Єремко, Людмила СергіївнаYeremko, L. S.Гангур, Володимир ВасильовичHanhur, V. V.Лень, Олександр ІвановичLen, O. I.Staniak, M.2026-03-022026-03-022025-10-27978-83-7562-429-8https://dspace.pdau.edu.ua/handle/123456789/20753Yeremko L. S., Hanhur V. V., Len O. I., Staniak M. The effect of biofertilizers and plant growth biostimulants on soybean productivity. XI Konferencja Naukowa Polskiego Towarzystwa Agronomicznego, 17-19 września 2025 r. Puławy, 2025. S.196-197.The paper presents the results of research on the effectiveness of microbiological preparations and growth regulators in soybean cultivation technology. The author analyzes the impact of pre-sowing seed inoculation with nitrogen-fixing bacteria strains (Bradyrhizobium japonicum) and subsequent foliar application of biostimulants based on amino acids, phytohormones, and humic substances. It was established that the integrated use of biological products promotes the intensification of symbiotic activity, enhances root system development, and increases plant adaptability to abiotic stresses. The study confirms a positive dynamics in the formation of yield structure elements (number of pods per plant, seed weight per plant, and 1,000-seed weight), which ensures not only a yield increase but also an improvement in the protein and oil content of the seeds. The scientific feasibility of transitioning to biological nutrition systems to reduce pesticide loads and increase the profitability of soybean production is substantiated.enSoybeanbiofertilizersplant growth biostimulantsinoculationnitrogen fixationproductivityyield structureseed qualitybiological farmingArticle