Mindibayev, R. A.; Ishbulatov, M. G.; Safin, K. M.; Baikov, A. G.; Davletshin, F. M. Current State of Soil Fertility Level of the Northern Forest Steppe of the Republic of Bashkortostan. JEAM 2026, 9 (1), 9-17. https://doi.org/10.5890/JEAM.2021.03.002.