TY JOUR TI CARBON AND NITROGEN RESERVES OF PLANT RESIDUES IN AGROCENOSIS OF THE FOREST-STEPPE ZONE OF KRASNOYARSK REGION KW carbon reserves in agricultural soils KW nitrogen reserves in agricultural soils KW agricultural soils KW plant matter KW plant residues KW mortmass KW carbon KW nitrogen KW carbon-nitrogen ratio JO Bulletin of KSAU AU Vlasenko, O.A. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University