%0 Journal Article %T PATTERNS OF CHANGES IN THE SPATIAL STRUCTURE OF AGROCHEMICAL PROPERTIES OF ARABLE LIGHT GRAY FOREST SOIL DURING LONG-TERM OBSERVATIONS %A Sakhabiev, I.A. %A Gaffarova, L.G. %A Giniyatullin, K.G. %A Smirnova, E.V. %K agrochemical properties of soils, spatiotemporal heterogeneity, variogram analysis, geostatistical analysis, long-term data, soil fertility %J Vestnik of Kazan State Agrarian University %D 2025 %N 20 %P 8 %I Kazan state agrarian University