Potassium Sulphate (Sulphate of Potash – SOP) is a premium, high-purity water-soluble binary fertilizer designed to provide dense concentrations of potassium and essential sulfur. Free from chlorides and boasting a very low salt index, it is the ideal soil and fertigation amendment for high-value, chlorine-sensitive crops, intensive greenhouse systems, and soils prone to salinity stress.
Potassium Sulphate (Sulphate of Potash – SOP) is a premium, high-purity water-soluble binary fertilizer designed to provide dense concentrations of potassium and essential sulfur. Free from chlorides and boasting a very low salt index, it is the ideal soil and fertigation amendment for high-value, chlorine-sensitive crops, intensive greenhouse systems, and soils prone to salinity stress.
Potassium Sulphate (K_2SO_4), globally recognized as Sulphate of Potash (SOP), represents the elite tier of potassium nutrition for modern agriculture. This high-analysis mineral fertilizer delivers 50% Soluble Potash (K_2O) bound directly to 18% elemental Sulfur (S). Unlike alternative potassium sources like Muriate of Potash (Potassium Chloride), SOP contains practically zero chlorides (\le 1\%), making it a structurally superior choice for high-sensitivity crops and fragile arid or semi-arid growing mediums.
Chloride-Free Protection: Safely nourishes crops that suffer from salt stress, leaf burn, or compromised yield quality when exposed to standard chlorides.
Dual-Nutrient Efficiency: Simultaneously delivers high-potency potassium to regulate water transport and enzyme activation, along with sulfur, which is mandatory for chlorophyll creation and oil/protein synthesis.
Enhanced Quality Traits: Maximizes the structural firmness, aroma, sugar concentration, and colorful pigment brilliance of fruits and vegetables, while directly improving post-harvest storage transit stability.
Low Salt Footprint: Possesses a significantly lower salt index than potassium chloride, protecting delicate root hair boundaries and beneficial soil microbial systems in dry conditions.
Physical Forms: Available in highly refined soluble powder for hydroponic fertigation or calibrated granular forms for broad-acre broadcasting.
pH Stability: Maintains a completely neutral profile in aqueous solution.
SOP is strongly recommended for intensive horticultural management across premium, chlorine-sensitive crops:
Fruiting & Berry Crops: Grapes, strawberries, citrus, avocados, tomatoes, and melons.
Field & Starch Crops: Tobacco, potatoes, and high-value leafy greens.
Application Guidance: Can be broadcasted natively during basal soil preparation, mechanically top-dressed during flowering/fruiting phases, or completely dissolved into targeted hydroponic drip assemblies
wholesale fertilizer © 2026 Created by Twenty4