RICE NUTRITION

Sulphur Deficiency in Rice

Identify Sulphur (S) deficiency symptoms, understand causes and apply the correct treatment for Rice grown in Andhra Pradesh, Tamil Nadu, Punjab, West Bengal.

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🔍 Symptoms

Uniform pale yellowing of YOUNG leaves first (unlike N which starts on old leaves). Thin stems, poor protein content. Onion and garlic: poor flavour. Oilseeds: reduced oil content.

🧩 Cause

Sulphur deficiency increasing due to use of high-analysis S-free fertilizers (DAP, Urea vs old SSP). Sandy soils, high-rainfall areas, areas far from industrial pollution.

🌿 Crop Info

Region: Andhra Pradesh, Tamil Nadu, Punjab, West Bengal
Soil: Clayey, flooded
Season: Kharif (Jun–Nov)

Correction Methods for Rice

ProductMethodRateBest For
Ammonium Sulphate 24% SSoil20–30 kg/acreProvides both N and S
Sulphur 80% WDGSoil + Foliar2g/L foliar, 3–5 kg/acre soilAlso controls fungal diseases
Potassium Sulphate (SOP)Drip2 kg/acreProvides K + S, chloride-free

Step-by-Step Treatment Plan

  1. Confirm deficiency — Take leaf and soil samples. Send to lab or use visual diagnosis. Soil pH test critical (check at root zone depth).
  2. Immediate foliar correction — Apply Ammonium Sulphate 24% S at 20–30 kg/acre as emergency foliar spray. Spray in morning or evening. Repeat after 7–10 days.
  3. Drip/soil correction — Apply via drip fertigation or soil for lasting correction. Single foliar application is temporary fix only.
  4. Soil amendment — If soil pH is the cause: apply gypsum to reduce pH in alkaline soils, or lime if acidic. Target pH 6–7.
  5. Prevent recurrence — Include micronutrient schedule in regular fertigation program. Soil test every season.

Get Products for Rice

Buy Ammonium Sulphate 24% S Buy Sulphur 80% WDG Buy Potassium Sulphate (SOP) 🌿 Fertilizer for Rice 📈 Calculate Exact Dose

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