TY CONF TI INFLUENCE OF REPLACING BARE FALLOW WITH A DISUSED LAND ON THE CONTENT OF MACRO- AND MICROELEMENTS IN TYPICAL CHERNOZEM OF KURSK REGION KW typical chernozem KW bare fallow KW disused land KW macroelements KW microelements JO SCIENCE AND INNOVATION 2021: DEVELOPMENT DIRECTIONS AND PRIORITIES AU Mamontov, V.G. AU Rogova, O.B. AU Lazarev, V.I. AU Belyaeva, S.A. PY 2024 PB AUS PUBLISHERS