1. L. N. Aleksandrova, Soil Organic Matter and the Processes of Its Transformation, (Nauka, Leningrad, 1980) [in Russian].
2. A. L. Aleksandrovskii and E. I. Aleksandrovskaya, Soil Evolution and the Geographic Environment (Nauka, Moscow, 2005) [in Russian].
3. V. M. Andreeva, “Long-term application of mineral fertilizers.” Khim. Sel’sk. Khoz., No. 12, 49–52 (1989).
4. S. I. Veremeenko, Soil Evolution and Fertility Management in the Ukrainian Polesie (Lutsk, 1997) [in Ukrainian].
5. S. I. Veremeenko and O. A. Furmanets, “Assessment of the hydrological regime of dark gray soils in the western forest-steppe of Ukraine,” Visnik KhNAU, No. 2 (2011).