Korn-Kali? ?is a combined potash and magnesium fertiliser with 40% K 2 O? in the form of potassium chloride and 6% MgO in the form of magnesium sulphate (Kieserite). Further important constituents are 4 % Sodium as sodium chloride (Na 2 O) and 12.5 % Sulphur as sulphate (SO?).
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