Humic Acid, Potassium Humate, Sodium Humate manufacturer / supplier in China, offering Humic Acid with Fulvic Acid and K2o Alkaline Solution Organic Solvents 65%, 40% Potassium Humic Acid Granular Fertilizer Leonardite K2o 8% Base Fertilizer, Foliar Spaying Drip Irrigation Non-Flocculating Potassium Humate Lignite 100% Soluble K and so on.
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