TY JOUR TI A METHOD FOR ASSESSING VINEYARD PRODUCTIVITY BASED ON SPECTRAL INDICES OF SOIL PATTERNS KW remote sensing KW vineyard KW soil patterns KW spectral indices KW productivity KW Sentinel KW machine learning KW precision farming KW terroir KW monitoring JO Agrobiotechnologies and digital farming AU Orlov, V.A. AU Lukyanov, A.A. AU Mikhaylovskaya, O.I. AU Mihaylovskiy, S.S. PY 2025 IS 4 PB Kazan state agrarian University