@article{Polyakova2024the, author={Polyakova, S.. and Fomin, D.. and Yarkova, N.. and Fomin, D..}, title={The importance of previous crops and mineral nutrition in the formation of yield and quality of spring barley in the Perm region}, journal={Agrarian Bulletin of the}, publisher={Ural State Agrarian University}, year={2024}, pages={1147-1157}, volume={24}, issue={09}, }