MANGO NUTRITION

Iron Deficiency in Mango

Identify Iron (Fe) deficiency symptoms, understand causes and apply the correct treatment for Mango grown in Uttar Pradesh, Andhra Pradesh, Karnataka, Maharashtra.

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🔍 Symptoms

Yellowing between leaf veins (interveinal chlorosis) starting on youngest leaves. Leaves turn pale yellow to white while veins stay green. Severe: entire leaf yellows. Called "lime-induced chlorosis" in calcareous soils.

🧩 Cause

Iron becomes unavailable above pH 7.5. Very common in Maharashtra black cotton soils (pH 8+), calcareous soils, over-irrigated fields. High phosphorus or manganese can also cause iron deficiency.

🌿 Crop Info

Region: Uttar Pradesh, Andhra Pradesh, Karnataka, Maharashtra
Soil: Deep loamy, pH 5.5–7.5
Season: Feb–Jun

Correction Methods for Mango

ProductMethodRateBest For
Iron EDDHA 6%Soil1.5–2 kg/acrepH>7.5 — ONLY effective chelate at high pH
Iron DTPA 11%Drip + Foliar2–3g/L foliar, 500g/acre drippH 6–7.5
Iron EDTA 12%Drip + Foliar2g/L foliarpH<7 only

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 Iron EDDHA 6% at 1.5–2 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.

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