@article{Kostin2020monitoring,
author={Kostin, I.G. and Malysheva, E.S.},
title={MONITORING OF BASIC PARAMETERS OF SOIL FERTILITY USING GEOINFORMATION SYSTEMS},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2020},
pages={96-101},
volume={15},
issue={2},
}