Month: July 2012

Humic acid is not a specifically defined chemical substance, but is “a complex mixture of many different acids containing carboxyl and phenolate groups so that the mixture behaves functionally as a dibasic acid or, occasionally, as a tribasic acid” (en.Wikipedia.org). The physiochemical properties of humic acid will be determined by the substance (soil, peat, coal…

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Hunic acid is becoming a commonly added ingredient to nutrient solution formulation and nutrient supplement products with the expectation of significant positive plant response. Humic acid is not a specifically defined chemical substance, but is “a complex mixture of many different acids containing carboxyl and phenolate groups so that the mixture behaves functionally as a…

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