Potassium Deficiency in Rubber India — Symptoms, Causes & Correction

Leaf tip and margin burn (scorch) on older leaves. Weak stems, poor fruit quality, low sugar.

Sandy soils, low CEC, high-yield crops without K replenishment.

Kerala, Karnataka, Tamil Nadu
Laterite, pH 4.5–6

Correction Products & Doses

Product	Method	Rate	Best For
MOP 60% K	Soil	15–25 kg/acre	General crops — cheapest K source
SOP 00:00:50	Soil + Drip	10–15 kg/acre soil / 2–3kg/acre drip	Chloride-sensitive crops: grapes, potato
NPK 13:00:45	Drip	4–6 kg/acre/week	Fruit crops — quality

Confirm deficiency — Soil test + leaf analysis. Check soil pH (most deficiencies are pH-related).
Immediate foliar spray — Apply MOP 60% K at 15–25 kg for fast correction. Repeat after 7–10 days.
Drip correction — Apply via fertigation for lasting effect.
Prevent recurrence — Include in regular nutrition program. Test soil pH and adjust if needed.

Direct from CIB-registered manufacturer. Share your soil test and we recommend exact dose for your farm.