1. Agrochemical Analysis of Soils (Nauka, Moscow, 1975) [in Russian].
2. Atlas of Irkutsk Oblast: Ecological Conditions of Development (Roskartografiya, Moscow, 2004) [in Russian].
3. A. M. Berzin and A. A. Shpedt, “Use of green fertilizers in Krasnoyarsk krai,” Agrokhimiya, No. 5, 27–32 (2001).
4. E. V. Blagodatskaya, M. V. Semenov, and A. V. Yakushev, Activity and Biomass of Soil Microorganisms under Changing Environmental Conditions (KMK, Moscow, 2016) [in Russian].
5. N. N. Gustokashina, Long-Term Changes of General Climate Elements in Cis-Baikal Region (Institute of Geography, Siberian Branch, Russian Academy of Sciences, Irkutsk, 2003) [in Russian].