%0 Journal Article %T DEVELOPMENT OF THE METHOD OF OPERATIONAL EVALUATION OF THE WINTER CROPS CONDITION IN THE EARLY CURRENT PERIOD WITH THE APPLICATION OF UNMANNED AERIAL VEHICLES %A Loginov, N.A. %A Sabirzyanov, A.. %K aerial photographs, crop management, winter wheat, multispectral data, scoring, crop condition, unmanned aerial vehicle. %J Vestnik of Kazan State Agrarian University %D 2018 %N 13 %P 4 %I Kazan state agrarian University