%0 Journal Article %T MONITORING OF BASIC PARAMETERS OF SOIL FERTILITY USING GEOINFORMATION SYSTEMS %A Kostin, I.G. %A Malysheva, E.S. %K geographic information system, cartogram, monitoring, soil, fertility, degree of cultivation, soil tolerance, agrochemical service %J Vestnik of Kazan State Agrarian University %D 2020 %N 15 %P 5 %I Kazan state agrarian University