TY JOUR TI CURRENT STATE AND PROSPECTS OF CARBON FARMING DEVELOPMENT IN THE REPUBLIC OF TATARSTAN KW climate change KW greenhouse gases KW sequestration of greenhouse gases KW farming systems KW carbon farming JO Vestnik of Kazan State Agrarian University AU Safin, R.. AU Valiev, A.R. AU Kolesar, V.. PY 2021 IS 16 PB Kazan state agrarian University