Potassium Sulfate Fertilizer – Bulk & Negotiable Pricing

Premium Potassium Sulfate (SOP) Fertilizer for high-value crops.
📦 Bulk supply • 💰 Negotiable prices • 🚚 Fast delivery across Southern Africa.
Ideal for fruits, vegetables, and sensitive crops.
👉 Request your quote today.
📞 +27 73 638 7398 | ✉️ sales@farmseedsfeeds.com

Bulk & Negotiable Pricing (SOP)

Premium Potassium Sulfate (SOP) fertilizer designed to meet the nutritional demands of high-value crops. Known for its high potassium content (K₂O) and low chloride levels, SOP is a preferred source of potassium for sensitive crops and intensive farming systems.
At Farm Seeds & Feeds, we supply bulk quantities of SOP fertilizer to commercial farmers, distributors, cooperatives, and agricultural input resellers. Whether you’re running a large-scale farm or a distribution network, our negotiable bulk pricing, consistent quality, and fast delivery across Southern Africa make us a trusted fertilizer partner.
📞 +27 73 638 7398 | ✉️ sales@farmseedsfeeds.com

🧪 Why Choose Potassium Sulfate (SOP) Fertilizer?

Potassium Sulfate is widely recognized as one of the most efficient sources of potassium for modern agriculture. It delivers essential potassium and sulfur in a readily available form that enhances plant health, improves fruit quality, and strengthens plant resistance to stress.

✨ Key Benefits:

  • ✅ High K₂O Content (50%) – Stimulates root development, increases yield, and improves the overall quality of produce.
  • 💧 Chloride-Free Formula – Perfect for salt- and chloride-sensitive crops, unlike potassium chloride (MOP).
  • 🌱 Dual Nutrient Supply – Provides both potassium and sulfur, essential for protein synthesis and sugar formation.
  • 🏡 Versatile Application – Suitable for field crops, fruit trees, greenhouse crops, and hydroponic systems.
  • 🚜 Ideal for Bulk Buyers – Wholesale, negotiable pricing for farms, co-ops, and agricultural distributors.
SOP fertilizer enhances the appearance, taste, and shelf life of fruits and vegetables, making it a top choice for growers aiming for high-quality, market-ready produce.

Technical Specifications

Product NamePotassium Sulfate (SOP) Fertilizer
Chemical FormulaK₂SO₄
K₂O Content≥ 50%
Sulfur (S) Content~18%
Chloride Content≤ 1.5%
Moisture≤ 1.0%
FormGranular / Powder
ColorWhite / Light Pink
Solubility100% water-soluble
Packaging Options25 kg, 50 kg, 1 MT big bags
Shelf Life24 months (dry storage)
CertificationsISO, HACCP, COA & MSDS

📌 Technical data may vary slightly by source. COA is provided with every shipment for transparency and quality assurance.

🌱 Recommended Applications

Potassium sulfate can be used in various farming systems:
  • 🍊 Fruit Crops – Citrus, grapes, apples, bananas, avocados
  • 🥦 Vegetables – Tomatoes, potatoes, onions, peppers, cucumbers
  • 🌾 Field Crops – Maize, sugarcane, tobacco, cotton
  • 🌿 Greenhouse & Hydroponics – Ideal for fertigation and foliar application
  • 🌻 Cash Crops & High-Value Crops – Enhances quality, taste, and post-harvest life
SOP is especially recommended for crops sensitive to chloride, such as potatoes, strawberries, tobacco, and certain fruit trees.

🧪 How SOP Works in the Soil

Potassium is crucial for photosynthesis, water regulation, and enzyme activation in plants. By using potassium sulfate instead of MOP (potassium chloride), farmers ensure:
  • More balanced nutrient uptake
  • Improved root structure and disease resistance
  • Reduced soil salinity impact
  • Better sugar transport and carbohydrate metabolism
  • Higher yield with improved quality parameters
The sulfur component enhances protein synthesis and strengthens plants against pests and disease.

🚜 Application Guidelines (General)

Always base application rates on soil analysis, crop requirements, and local agronomic advice.

Field Crops100 – 250 kg/haBasal / Topdress
Fruit & Vegetable Crops150 – 300 kg/haBasal / Fertigation / Foliar
Greenhouse Crops100 – 200 kg/haFertigation
Chloride-Sensitive Crops200 – 300 kg/haBasal
SOP can be applied directly to the soil, through fertigation, or as a foliar spray when finely ground.

📝 Bulk & Negotiable Pricing

We understand that fertilizer pricing varies depending on order quantity, delivery destination, and seasonal demand.
That’s why our Potassium Sulfate (SOP) pricing is:
  • ✅ Bulk-based and negotiable
  • 📦 Discounts for pallet/container orders
  • 🌍 Flexible shipping options
  • 💬 Custom quotes for distributors and resellers
👉 [Request a Quote] to get your personalized pricing today.
📞 +27 73 638 7398 | ✉️ sales@farmseedsfeeds.com

🧾 FAQ:

Q1: What makes SOP different from other potassium fertilizers?
A1: SOP contains no chloride, making it safer for chloride-sensitive crops and ensuring better soil health and crop quality.
Q2: Is SOP suitable for drip irrigation?
A2: Yes. SOP is fully water-soluble and works well in fertigation and hydroponic systems.
Q3: Do you offer volume discounts?
A3: Yes. Pricing is negotiable and lower for pallet and container orders.
Q4: Do you ship outside South Africa?
A4: Yes. We supply across Southern Africa and export internationally.
Q5: Is COA or MSDS provided?
A5: Yes. Every shipment comes with a COA/MSDS for compliance and transparency.

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