Zinc Deficiency in Coconut

Symptoms

Interveinal chlorosis on young leaves, stunted growth, small leaves, shortened internodes.

Cause

Alkaline soils (pH>7.5), waterlogged conditions, high phosphorus.

Correction Products

Product	Method	Rate
Zinc EDTA 12%	Foliar + Drip	0.5g/L foliar / 250g/acre drip
Zinc Sulphate 33%	Soil	10–15 kg/acre basal

Treatment Steps

1. Confirm with soil test + leaf analysis. Check soil pH.
2. Apply Zinc EDTA 12% at 0.5g as emergency foliar spray. Repeat after 7–10 days.
3. Apply drip or soil for lasting correction.
4. Include in regular nutrition program to prevent recurrence.

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