Potassium
Symptoms
Leaf margin scorch and misshapen, club-shaped fruits.
Correction
Potassium-rich water-soluble fertilizers during fruiting.
Vegetables · Cucumis sativus
Cucumber fertilizer and nutrition guide
Frequent, balanced feeding through drip for continuous flowering and straight, uniform fruits.
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About Cucumber nutrition
Cucumber grows fast and fruits continuously, so it needs a steady supply of nutrients rather than a few large doses. It is well suited to drip fertigation in open fields, net houses and polyhouses.
- Climate
- Warm-season crop, best at about 20-30 °C; sensitive to frost and cold nights.
- Soil
- Well-drained sandy loam to loam rich in organic matter, pH around 6.0-7.0.
Stage-wise nutrient management for Cucumber
What the crop needs most at each growth stage.
Sowing & establishment
Phosphorus and organic manure for roots.
Vine growth
Nitrogen and potassium in balance; magnesium for leaf health.
Flowering
Boron and calcium for flower retention and fruit set.
Continuous fruiting
High potassium with calcium for fruit shape, colour and quality.
Common nutrient deficiencies in Cucumber
How to recognise them in the field and how they are usually corrected.
Magnesium
Symptoms
Interveinal yellowing on older leaves.
Correction
Magnesium sulphate through drip or foliar spray.
Boron
Symptoms
Poor fruit set and deformed fruits.
Correction
Foliar boron at flowering.
Need a Cucumber 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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