Potassium Thiosulphate (K-URJA): When and How Much to Apply

Potassium drives fruit size, colour and sugar. K-URJA delivers high potassium plus sulphur — chloride and nitrate free — perfect for the fruit-development stage.

The role of potassium + sulphur

Potassium regulates water movement and sugar loading into fruit, while sulphur supports oils, proteins and aroma. Because K-URJA carries no chloride, it suits salt-sensitive crops like grapes and pomegranate.

K-URJA Dosage

Application Rate Best stage
Drip / Fertigation 1–2 L per acre Fruit development to maturity
Foliar spray 2–4 ml per litre Colour & sugar build-up
👉 Pro tip: Switch to high-potassium feeding once fruit set is complete — nitrogen at this stage delays ripening.

Key Takeaways

  • High K for size, colour and Brix
  • Chloride- and nitrate-free
  • Sulphur boosts quality and aroma
  • Also cleans drip emitters
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Disclaimer: doses are general guidelines. Always adjust to crop, soil test, growth stage and local agronomist advice.

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