%0 Journal Article %T ESTIMATION OF ECOLOGICAL AND RADIATION STATE OF NORTHERN FOREST-STEPPE SOILS OF KURGAN REGION %A Kobyakova, T.I. %A Ufimtseva, L.V. %K ecological and radiation state of soils, cesium-137, strontium-90, accumulation coef-ficient, gamma background %J Bulletin of KSAU %D 2017 %N %P 4 %I Krasnoyarsk State Agrarian University