TY JOUR TI The use of NDVI to determine the nitrogen content in winter wheat plants in the Stavropol Territory KW vegetation index KW NDVI dynamics KW winter wheat KW nitrogen content KW chlorophyll content KW grain quality KW correlation coefficients KW remote sensing. JO Agrarian Bulletin of the AU STORCHAK, I.G. AU Chernova, I.V. AU Eroshenko, F.V. AU Voloshenkova, T.V. AU Shestakova, E.O. PY 2019 IS 191 PB Ural State Agrarian University