@article{Markovskaya2019influence,
author={Markovskaya, G.K. and Guseva, S.A.},
title={INFLUENCE OF SINGLE AND MIXED CROPS OF PERMANENT GRASS  ON SOIL ENZYMIC ACTIVITY IN THE CONDITIONS  OF FOREST-STEPPE OF THE MIDDLE VOLGA REGION},
journal={Bulletin Samara State Agricultural Academy},
publisher={Samara State Agricultural Academy},
year={2019},
pages={27-34},
volume={4},
issue={2},
}