SWEET POTATO

Nitrogen Deficiency in Sweet Potato

Identify nitrogen deficiency in Sweet Potato crops in Odisha, UP, WB, Bihar — symptoms, soil causes and correct treatment with product doses.

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🔍 Symptoms

Uniform pale yellowing starting from older leaves. Stunted growth, thin stems, pale green plant.

⚗️ Cause

Insufficient N application, leaching in sandy soils, waterlogged conditions.

📍 Sweet Potato Region

Odisha, UP, WB, Bihar
Sandy loam, pH 5.5–6.5

Correction Products & Doses

ProductMethodRateBest For
Urea 46%Soil25–40 kg/acreMost crops, split application
Calcium NitrateDrip2–3 kg/acre/weekDrip-irrigated crops
Ammonium Sulphate 21%Soil30–40 kg/acreAlkaline soils

Treatment Steps

  1. Confirm deficiency — Soil test + leaf analysis. Check soil pH (most deficiencies are pH-related).
  2. Immediate foliar spray — Apply Urea 46% at 25–40 kg for fast correction. Repeat after 7–10 days.
  3. Drip correction — Apply via fertigation for lasting effect.
  4. Prevent recurrence — Include in regular nutrition program. Test soil pH and adjust if needed.

Get Urea 46% for Sweet Potato

Direct from CIB-registered manufacturer. Share your soil test and we recommend exact dose for your farm.

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Other Deficiencies in Sweet Potato

Zinc DeficiencyIron DeficiencyBoron DeficiencyCalcium DeficiencyMagnesium Deficiency

Related Crop Guide

Fertilizer for Sweet Potato → 📊 Dose Calculator