The composition and functional characteristics of humic acid
Humic acid is a common organic substance in soil and waters, mainly produced by the decomposition of plant residues, animal feces and other organic matter.Humic acid is mainly composed of three substances: fulvic acid, fulvic acid, and black humic acid.Fulvic acid, also called fulvic acid, is highly acidic and has a strong ability to corrode […]
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