1.Different ingredients potassium fulvate: The main component of potassium fulvate is a short carbon chain molecular structure substance. Potassium Humate: The main component of potassium humate is an aromatic hydroxycarboxylate. 2.Different sources potassium fulvate: potassium fulvate is extracted from natural humic acid. Potassium humate: Potassium humate is extracted from lignite using KOH liquid reaction. 3.Different […]