Potassium sulfate (K₂SO₄)
Potassium sulfate (K₂SO₄) is a mineral fertilizer containing potassium (K⁺) and sulfur (SO₄²⁻) ions. It appears as a white or slightly gray crystalline powder, highly soluble in water. Free of chlorine, it is especially suitable for chlorine-sensitive crops such as grapes, potatoes, tobacco, and citrus. Widely used in agriculture to improve yield, taste, and storage quality of produce. Suitable for both open field and greenhouse applications. Compatible with most fertilizers and crop protection products.