Premodifier: organic
Head noun: residue

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

Broader concepts

labelprovenanceconfidence
contaminantisap:651338480.588333
residueisap:4329545350.570354

Narrower concepts

labelprovenanceconfidence
animal manureisap:4402229300.710120
manureisap:4402229280.499172
greaseisap:4440818400.425024
oilsisap:116737060.421385
proteinisap:4365623040.358111
hydroxylisap:3420821200.264930
alkylisap:2295102930.238386
risap:2998689730.214335
r3isap:305034450.133523