%0 Journal Article %T ECOLOGICAL ASSESSMENT OF THE ACTION OF SELENIUM IN A SOIL-PLANT SYSTEM IN THE CONDITIONS OF WESTERN SIBERIA %A Aleksandrovskaia, E.I. %A Sindireva, A.V. %A Ieronova, V.V. %K %J Bulletin of Nizhnevartovsk State University %D 2020 %N %P 6 %I Nizhnevartovsk State University