Fulvic Acid, Humic Acid, Potassium Humate manufacturer / supplier in China, offering Potassium Humate Flakes Fertilizer pH9-11 K2o 10%Min, X-Humate High Quantity Potassium Humate Granular Organic Fertilizer, X-Humate 100% Water Soluble Potassium Humate Flakes and so on.
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