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Humic acid (dry basis)¡êo 60% min K2o (dry basis)¡êo 8%, 10%, 12% min -ph value¡êo9.0-11.0 -water solubility: 85% min -dosage: Base fertilizer or water flush fertilizer, 20-40kg per 666©o, can be used together with urea, 5-10kg per 100kg urea.
