TY JOUR TI PILOT CARBON LANDFILL: ANALYSIS OF CARBON RESERVES IN FARMLAND SOILS KW soil organic carbon KW humus KW soil KW emission KW carbon sequestration JO Vestnik of Kazan State Agrarian University AU Asylbaev, I.. AU Mirsayapov, R.R. PY 2023 IS 18 PB Kazan state agrarian University