3.2.9. sico-TOPSOP Potassium Sulphates (Sulphates of Potash – SOP) (origin China) 1) TOP-SOLSOP soluble horticultural grade min. 52% K2O + min. 17.5% S, 2) TOP-GRANUSOP granular agric grade min. 50% K2O + min. 17% S, 3) TOPSOP standard powder agric grade min. 50% K2O + min. 17.5% S


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