Preferred Term:
humic substances
Concept Schemes:
NALT Full
NALT Core
NALT Core
Broader Concept:
Narrower Concepts:
Entry Terms:
- humic compounds
URI:
https://lod.nal.usda.gov/nalt/41736
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2018-11-16
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