Tsapko, Yu., and A. Ohorodnia. “Optimization of Fertility Indices of Podzolic Soils via Cultivation of Phytomeliorants”. Agricultural Science and Practice 5, no. 1 (April 15, 2018): 42-50. Accessed June 14, 2026. https://www.agrisp.com/index.php/agrisp/article/view/128.