Head noun: humus

Same concepts
http://dbpedia.org/resource/Humus

Narrower concepts

labelprovenanceconfidence
peat mossisap:962724220.356038
compostisap:313994440.354923
dead leafisap:862569890.266662
sawdustisap:403425940.198430
clayisap:917980240.185881
manureisap:1185513510.108701