Glossary:Humic Acid

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Humic Acid
The dark-colored organic material that can be extracted from soil with dilute alkali and other reagents and that is precipitated by acidification to pH 1 to 2.

Related Words: Fulvic acid

Source
Soil Science Society of America. Glossary of Soil Science Terms. Available online here, last accessed 28.09.2006.

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