TY JOUR TI ANALYSIS OF THE PRACTICAL POSSIBILITIES OF USING UNMANNED AERIAL VEHICLES IN AGRICULTURE KW unmanned aerial vehicle KW agriculture KW vegetation index KW monitoring KW precision farming JO Bulletin of KSAU AU Kataev, M.Y. AU Pas'ko, O.A. AU Kartashov, E.Y. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University