Humic Substances
Synonyms
Acids, Humic
Humic Acids
Huminate, Sodium
Sodium Huminate
Substances, Humic
Organic matter in a state of advanced decay, after passing through the stages of COMPOST and PEAT and before becoming lignite (COAL). It is composed of a heterogenous mixture of compounds including phenolic radicals and acids that polymerize and are not easily separated nor analyzed. (E.A. Ghabbour & G. Davies, eds. Humic Substances, 2001).