What are the differences between fulvic acid and potassium humate
Nov 04, 2016

The molecular weight of fulvic acid is smaller than humic acid potassium, but more oxygen-containing 

functional groups, higher solubility and can dissolve in acidic conditions. In the agricultural application

of water-soluble fertilizer, it has more advantages than potassium humate. But the extraction of coal type

fulvic acid is more difficult. So in the market the fulvic acid are mainly biochemical fulvic acid.