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... > Organic Chemicals > Hydrocarbons > Hydrocarbons, Cyclic > Hydrocarbons, Aromatic > Benzene Derivatives > Phenols > Humic Substances
Complex Mixtures > Soil > Humic Substances
Environment and Public Health > Environment > Soil > Humic Substances
Biological Phenomena > Ecological and Environmental Phenomena > Environment > Soil > Humic Substances
Physical Phenomena > Geological Phenomena > Soil > Humic Substances
Organic Chemicals > Carboxylic Acids > Humic Substances

Preferred term

Humic Substances  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Humic Substance
  • Substance, Humic

Scope note

  • 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).

History note

  • 2005(1963)

In other languages

URI

http://www.yso.fi/onto/mesh/D006812

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