Fertilizer guide

SOP 0-0-50 (Sulphate of Potash)

Chloride-free potassium fertilizer preferred for sensitive crops such as grapes, citrus, strawberries, potatoes, and greenhouse vegetables where excess chloride can reduce quality or yield.

How this fertilizer fits into your plan

1 Nutrient content (N‑P‑K and more)

  • K – 48–52percentage (K2O)
  • S – 16–18%

2 Typical application rates

  • General: 40-90 kg per hectare
  • Vegetables: 40-80 kg per hectare for sensitive vegetable crops
  • Fruits: 60-120 kg per hectare for fruit trees and vines

3 How to apply

Broadcast, Side dressing, Fertigation

4 Good crop fits

Grapes, Citrus, Strawberries, Potatoes, Vegetables

Frequency

Every 4-8 weeks, especially before and during fruit bulking stages

Best season

Can be used all year with correct timing.

Safety & precautions

Monitor sulfur levels in soil and avoid over-application, especially in soils already rich in sulfur.

Frequently Asked Questions

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Find answers to common questions about Zarraak and how it can help manage your farm.