Browsing 2007 by Subject "plant species"

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  • Filipov, Feodor; Slonovschi, V. ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2007-05-28)
    Soil formation is a process of biological nature, because humus, the specific and fundamental soil component, is organic. Soil mapping required the knowledge of soil classification, climate, rock relief and plant species ...