206 results about "Fulvic acid" patented technology

Fulvic acids are a family of organic acids, natural compounds, and components of the humus (which is a fraction of soil organic matter). They are similar to humic acids, with differences being the carbon and oxygen contents, acidity, degree of polymerization, molecular weight, and color. Fulvic acid remain in solution after removal of humic acid from humin by acidification.