THE AGROBIOLOGICAL JUSTIFICATION OF SOYBEAN PRODUCTIVITY IN THE RIGHT-BANK FOREST-STEPPE OF UKRAINE
DOI:
https://doi.org/10.32636/agroscience.2025-(4)-4-2Keywords:
soybean, productivity, agrobiology, Right-Bank Forest-Steppe, biopreparationsAbstract
In the context of global climate change and the growing demand for high-protein plant-based products, soybean is becoming an increasingly important strategic crop. Ukraine, as one of the leading European producers of soybean, has the potential to increase both the area under cultivation and the overall productivity of this legume. The Right-Bank Forest-Steppe of Ukraine is characterized by favorable agroclimatic conditions and fertile soils, which creates a solid foundation for the expansion of soybean production. However, due to climatic instability, fluctuations in soil moisture, and uneven rainfall distribution, the need arises for a scientific and agrobiological approach to the cultivation of soybean under regional conditions. This study aims to provide a comprehensive agrobiological substantiation for enhancing soybean productivity in the Right-Bank Forest-Steppe. A field experiment was conducted during 2022–2024 using a three-factor scheme, which included varietal characteristics (cultivars Azimut and Holubka), pre-sowing inoculation with the bacterial preparation Rizogumin-Plus, and foliar application of the growth regulator chlormequat chloride in three concentrations (0.5%, 0.75%, 1%). The research analyzed biometric indicators at key organogenesis stages, yield performance, and seed quality under different treatment combinations. Statistical data processing was performed with error estimation not exceeding 5%. The results confirmed the effectiveness of integrating biological products and adaptive technologies in increasing yield up to 2.73 t/ha and enhancing protein content. The findings are highly relevant for the development of resource-saving, climate-resilient farming systems and can serve as a basis for the introduction of organic soybean production practices in the region
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