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humic acid

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.02 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.humic acid - a dark brown humic substance that is soluble in water only at pH values greater than 2; "the half-life of humic acid is measured in centuries"
humic substance - an organic residue of decaying organic matter


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Acid soil pH - acidifying humic acid is a product of decomposition - discourages soil fungi that cause root rot.
IN THE GARDEN NEW LAVENDER HARD TO RESIST by Daily News (Los Angeles, CA)
The new product, which is extract drink richly containing minerals, amino acids, humic acid and fulvic acid, helps detoxify the body and maintain health.
FAVORINA Launches New Extract Drink Containing Humic and Fulvic Acids by JCNN News Summaries
Humic acids in soil run off into the ocean during the heavy rainfalls of severe hurricanes, and corals incorporate the acids into their skeletons.
Hunting Prehistoric Hurricanes by Tarvis, John / Science News
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