Almashova, V. S., & Skok, S. V. (2022). EFFECTIVENESS OF APPLICATION OF BIOLOGICAL PREPARATIONS AND PLANT GROWTH REGULATORS FOR GROWING AGRICULTURAL CROPS IN THE SOUTHERN STEPPE ZONE OF UKRAINE. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, 47(1), 11-17. https://doi.org/10.32845/agrobio.2022.1.2