For citations:

Shopina O.V., Semenkov I.N., Paramonova T.A., Komissarova O.L. The balance of elements in the system “Luvic Chernozems – agricultural plants” on the Plavsk upland (Tula region of Russia). Dokuchaev Soil Bulletin. 2020;(105):91-108. https://doi.org/10.19047/0136-1694-2020-105-91-108