GRAPES NUTRITION

Iron Deficiency in Grapes

Identify Iron (Fe) deficiency symptoms, understand causes and apply the correct treatment for Grapes grown in Nashik, Sangli, Solapur, Pune (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: Nashik, Sangli, Solapur, Pune (Maharashtra)
Soil: Black cotton soil pH 7.8–8.5
Season: Oct–Jun (Bahar treatment)

Correction Methods for Grapes

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 6.5–7.5.
  5. Prevent recurrence — Include micronutrient schedule in regular fertigation program. Soil test every season.

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Buy Iron EDDHA 6% Buy Iron DTPA 11% Buy Iron EDTA 12% 🌿 Fertilizer for Grapes 📈 Calculate Exact Dose

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