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6,676 products found for
potassium humic acid
"HuminRich" Potassium Humate Factory/99.7% Soluble Super Potassium Humic Fulvic Acid Concentrate From Leonardite
US $0.2-1.8 / Kilogram
1000 Kilograms (Min. Order)
Shenyang Humate Technology Co., Ltd.