For citations:
Trofimov I.A., Trofimova L.S., Yakovleva E.P. Preservation and Optimization of Agrolandscapes of the Central Chernozem Zone. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2017;(1):103-109. (In Russ.) https://doi.org/10.15356/0373-2444-2017-1-103-109