Magnesium Deficiency in Pigeonpea

Symptoms

Interveinal chlorosis on OLD leaves first. Yellow-purple interveinal areas.

Cause

Sandy soils, high K, acid soils, heavy rainfall leaching.

Correction Products

Product	Method	Rate
Magnesium Sulphate 9.9%	Foliar + Drip	5g/L foliar / 1kg/acre drip
Magnesium EDTA	Foliar	3–5g/L

Treatment Steps

1. Confirm with soil test + leaf analysis. Check soil pH.
2. Apply Magnesium Sulphate 9.9% at 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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