Magnesium Deficiency in Blueberry India — Symptoms, Causes & Correction

Interveinal chlorosis on OLDER leaves first, green veins with yellow/purple interveinal areas.

Sandy soils, acidic soils, high potassium, heavy rainfall leaching.

Himachal Pradesh, Uttarakhand
Sandy, acidic pH 4.5–5.5

Correction Products & Doses

Product	Method	Rate	Best For
Magnesium Sulphate 9.9%	Foliar + Drip + Soil	5g/L foliar / 1kg/acre drip	Universal, fast correction
Magnesium EDTA	Foliar + Drip	3–5g/L	Quick foliar absorption
Kieserite 16% Mg	Soil	15–20 kg/acre	Slow release

Confirm deficiency — Soil test + leaf analysis. Check soil pH (most deficiencies are pH-related).
Immediate foliar spray — Apply Magnesium Sulphate 9.9% at 5g 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.