Onychko, V. I., Naumov, Y. O., & Senyk, I. I. (2023). YIELD OF CORN PER GRAIN DEPENDING ON THE FORMS AND NORMS OF NITROGEN FERTILIZER APPLICATION IN THE CONDITIONS OF NORTHEASTERN UKRAINE. Bulletin of Sumy National Agrarian University. The Series: Agronomy and Biology, 52(2), 72-77. https://doi.org/10.32782/agrobio.2023.2.9