Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Humusboden-de#Sense
Humic soil-en#Sense
Suolo umifero-it#Sense
Sol humifère-fr#Sense
Suelo humificado-es#Sense
Humushaltiger Boden-de#Sense