Calcium
Symptoms
Blossom-end rot and flower drop.
Correction
Calcium nitrate through drip or foliar calcium.
Spices · Capsicum annuum
Chilli fertilizer and nutrition guide
Calcium, boron and potassium to cut flower drop and improve pod colour, pungency and yield.
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About Chilli nutrition
India is the world's largest producer of chilli. Flower and fruit drop is a major yield limiter, and balanced nutrition, especially calcium, boron and potassium around flowering, makes a visible difference to pod set, colour and pungency.
- Climate
- Warm, humid climate, best at about 20-30 °C; heavy rain at flowering increases flower drop.
- Soil
- Well-drained loam to black soils with good organic matter, pH around 6.0-7.0.
Stage-wise nutrient management for Chilli
What the crop needs most at each growth stage.
Transplanting & establishment
Phosphorus and organic manure for strong roots.
Vegetative growth
Nitrogen with potassium; zinc and magnesium where soils are low.
Flowering & fruit set
Calcium and boron to reduce flower and fruit drop.
Fruit development & harvest
Potassium for pod size, colour and pungency.
Common nutrient deficiencies in Chilli
How to recognise them in the field and how they are usually corrected.
Boron
Symptoms
Heavy flower drop and deformed pods.
Correction
Foliar boron spray before and during flowering.
Zinc
Symptoms
Small, narrow, bunched leaves at the shoot tips.
Correction
Chelated zinc foliar spray or zinc sulphate in the soil.
Need a Chilli 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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