@article{Butyaykin2017the,
author={Butyaykin, V.V. and Istikhin, S.V. and Berezin, M.A.},
title={THE INFLUENCE OF ANTHROPOGENIC FACTORS FOR THE FERTILITY OF GRAY FOREST SOILS},
journal={Bulletin Samara State Agricultural Academy},
publisher={Samara State Agrarian University},
year={2017},
pages={24-27},
volume={2},
issue={4},
}