%0 Journal Article %T MULTISPECTRAL IMAGES OF AGRICULTURAL LANDSCAPES AS A TOOL FOR DETECTING HETEROGENEITY OF SOIL FERTILITY %A BOROVKOV, A.A. %A AZARENKO, Y.A. %K vegetation indices evi, ndvi, ndmi, agriculture, soil fertility, steppe agricultural landscape, salinity %J Vestnik of Omsk SAU %D 2023 %N 50 %P 10 %I FSBEI HE Omsk SAU