Category
Potash fertilizers
Muriate and sulphate of potash, in standard and granular sizings for direct application or blending.
The practical question in potash is chloride. MOP is the volume product and the cheaper source of potassium; SOP costs more and exists because a range of crops — potatoes, tobacco, most fruit and many vegetables — lose quality when chloride accumulates.
The second question is sizing. Standard grade is destined for a blender or a dissolving tank; granular grade is destined for a spreader, and mixing the two up produces a segregated blend and an uneven field.
Grades
2 grades in this category
MOP — Potassium Chloride
KCl — 60% K₂O, standard or granular
The volume potassium product worldwide and the cheapest source of the nutrient. Around 95 percent of potash traded is MOP, and its price sets the floor for every other potassium grade.
Specification ↗SOP — Potassium Sulphate
K₂SO₄ — 50% K₂O, 18% S
Chloride-free potassium, with a sulphur contribution alongside it. It exists because a substantial group of crops — potatoes, tobacco, most fruit, vines and many vegetables — suffer quality loss when chloride accumulates in the root zone.
Specification ↗
Incoterms 2020 · FCA · FOB · CIF · DAP · CPT · Certificate of analysis per lot
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Potash fertilizers
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