%0 Journal Article %T AGROECOLOGICAL SIGNIFICANCE OF CHERNOZEM SOIL PASPORTS FOR EVALUATION OF SOIL DEGRADATION %A Stepanova, L.. %A Korenkova, Е.. %K Soil passport, chernozem, soil erosion, soil degradation, landscape sustainability, humus %J INTERNATIONAL AGRICULTURAL JOURNAL %D 2018 %N 1 %P 0 %I Electronic science