Demydenko, O., and V. Velichko. “Self-Regulation and Management of Fertility Restoration of Typical Chernozem in Agroecosystems”. Agricultural Science and Practice 3, no. 2 (July 15, 2016): 63-78. Accessed June 14, 2026. https://www.agrisp.com/index.php/agrisp/article/view/82.