Zinc
Symptoms
Reduced leaf size and pale bands between veins on young leaves.
Correction
Zinc sulphate in the soil or chelated zinc as a foliar spray.
Spices · Curcuma longa
Turmeric fertilizer and nutrition guide
Long-duration crop: potassium, zinc and iron with plenty of organic matter for bigger rhizomes.
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About Turmeric nutrition
Turmeric is a long-duration crop (about 7-9 months) grown for its rhizomes. It needs rich, well-drained soil with plenty of organic matter, and potassium in the later stages to build rhizome weight and quality.
- Climate
- Warm, humid tropical climate, about 20-35 °C, with good rainfall or irrigation.
- Soil
- Well-drained sandy or clay loam rich in organic matter, pH around 5.5-7.5.
Stage-wise nutrient management for Turmeric
What the crop needs most at each growth stage.
Planting & sprouting
Heavy basal organic manure with phosphorus for sprouting and roots.
Vegetative growth
Nitrogen in splits with potassium; zinc and iron where deficient.
Rhizome initiation
Potassium and nitrogen for tiller and rhizome development.
Rhizome bulking & maturity
High potassium for rhizome size, weight and curcumin quality.
Common nutrient deficiencies in Turmeric
How to recognise them in the field and how they are usually corrected.
Iron
Symptoms
Yellowing of young leaves with green veins.
Correction
Chelated iron foliar sprays.
Potassium
Symptoms
Leaf margins scorch and dry; small rhizomes.
Correction
Potassium fertilizers during rhizome development.
Need a Turmeric fertilizer schedule?
Exact doses depend on your soil test, variety and irrigation. Tell us your crop stage, area and location and we will recommend the right products and quantities.
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