TY  JOUR
TI  MONITORING OF BASIC PARAMETERS OF SOIL FERTILITY USING GEOINFORMATION SYSTEMS
KW  geographic information system
KW  cartogram
KW  monitoring
KW  soil
KW  fertility
KW  degree of cultivation
KW  soil tolerance
KW  agrochemical service
JO  Vestnik of Kazan State Agrarian University
AU  Kostin, I.G.
AU  Malysheva, E.S.
PY  2020
IS  15
PB  Kazan state agrarian University