Calcium Deficiency in Cotton

Symptoms

Tip burn, blossom end rot, fruit cracking. Young tissue affected first.

Cause

Inconsistent irrigation, excess N+K, high humidity.

Correction Products

Product	Method	Rate
Calcium Nitrate	Drip	2–3 kg/acre/week
Calcium EDTA	Foliar	2–3g/L weekly

Treatment Steps

1. Confirm with soil test + leaf analysis. Check soil pH.
2. Apply Calcium Nitrate at 2–3 kg 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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