SOP 0-0-50 Fertilizer
Sulphate of Potash (SOP) is the premium potassium source for quality-focused agriculture. With 50% K2O and 18% sulphur, it delivers chloride-free nutrition that improves crop taste, color, shelf life, and oil content — critical factors for fruits, vegetables, tobacco, and other high-value crops.
Why Choose SOP 0-0-50?
SOP is the preferred potassium source for growers who prioritize quality over cost. Its chloride-free composition makes it essential for crops where chloride accumulation reduces market value.
- 100% chloride-free — ideal for salt-sensitive and high-value crops
- Contains 18% sulphur for improved protein and oil synthesis
- Enhances fruit color, sweetness, aroma, and shelf life
- Improves tobacco leaf burn quality and combustibility
- Increases oil content in oilseed crops
- Lower salt index than MOP — safer for seedlings and sensitive soils
Technical Specifications
| Nitrogen (N) | 0% |
|---|---|
| Phosphorus (P‾2O‾5) | 0% |
| Potassium (K‾2O) | 50.0% minimum |
| Sulphur (S) | 18.0% minimum |
| Moisture | 1.0% maximum |
| Appearance | White crystalline granules or powder |
| Granule Size | 2-4mm (90% minimum) |
| Solubility | Highly soluble in water (120 g/L at 20C) |
| Origin | Thailand |
| Certification | ISO 9001, SGS Certified |
Packaging & Export Options
Flexible packaging solutions designed for international shipping and local distribution.
50kg PP Woven Bags
Standard export packaging with PE liner. 25-27 MT per 20ft container. Moisture-resistant and stackable.
25kg Retail Bags
Smaller bags for distributor retail markets. Custom printing with your brand available for 100+ MT orders.
1000kg Jumbo Bags
FIBC bulk bags with UV stabilization. 25 bags per 20ft container. Ideal for bulk buyers with bag-breaking equipment.
MOQ: 25 metric tons (1 x 20ft container) | Lead Time: 10-15 days | Shipping: FOB Bangkok / CIF available
Request SOP 0-0-50 PricingRecommended Crops & Application
SOP 0-0-50 is essential for chloride-sensitive and quality-focused crop production.
Apply during fruit development and maturation stages for maximum quality impact. Use in chloride-sensitive soils and saline irrigation conditions. Split applications improve uptake efficiency in sandy soils.
Why Buyers Trust Thai Fertilizer
Over 15 years of reliable fertilizer export experience to 40+ countries.
Thailand Manufacturer
Direct from ISO-certified Thai factory with no middlemen markup
Bulk Supply
Container and break-bulk shipments from 25 MT to 5,000+ MT
Fast Delivery
10-15 day production lead time plus reliable ocean freight
Competitive Pricing
Volume discounts and long-term contract rates available
Frequently Asked Questions — SOP 0-0-50
SOP 0-0-50 (Sulphate of Potash) is a chloride-free potassium fertilizer containing 50% K2O and 17% sulphur. It is the preferred potassium source for chloride-sensitive, high-value, and quality-focused crops.
SOP is recommended for chloride-sensitive crops including tobacco, potatoes, grapes, citrus, avocados, tomatoes, and peppers. It is also preferred for organic farming and specialty agriculture where produce quality and taste are critical.
Yes. SOP 0-0-50 contains approximately 17% sulphur (S), which is an essential secondary nutrient. The sulphur content improves protein synthesis, oil content in oilseeds, and overall crop quality.
Yes. Thai Fertilizer exports SOP 0-0-50 worldwide in 50kg bags, jumbo bags, and bulk shipments. We provide full documentation, COA, and optional third-party inspection by SGS, Bureau Veritas, or FIGICO Intl.
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