How to avoid chilling injury in onions

Onions thrive best when temperatures are cool during early development and then warmer and sunny during maturity. Nutritional programs containing soluble calcium can help to protect crops against chilling injury, which can lead to cell breakdown.

Calcium protects onions against chilling injury

Effect of calcium on onion chilling injury


Calcium is a key nutrient that helps protect against chilling injury, which can lead to cell breakdown. This can be valuable in stores where there is poor temperature control.

Effect of calcium on onion salt stress

Calcium also helps to reduce the effect of salt stress on onions.

Recommended Yara fertilisers for onions

STARTER SOLUTION PLUS
A liquid fertiliser for placement which aids rapid crop establishment, promotes efficient utilization of phosphate and improves phosphate availability.
YaraMila COMPLEX
12-4.8-14.9 + 8% S - Prilled NPK fertiliser which also contains magnesium and sulphur as well as micronutrients ideal for use on a wide range of arable and horticultural crops.
MAINCROP S
14-5.7-17.4 + 2.2% S - A quality size matched NPK plus S size matched blended fertiliser, ideal for use for potato production due to the ratio in the of N P and K whilst including a useful amount of sulphur.
YaraLiva TROPICOTE
15.5% N + 18.8% Ca - Granular calcium nitrate fertiliser for field application to a wide range of crops.
YaraVita Brassitrel Pro
A flowable liquid suspension fertiliser with a combination of micronutrients including manganese, magnesium, boron and molybdenum for foliar application to oilseed rape, brassicas and legumes.
YaraVita Bortrac 150
A liquid micronutrient fertiliser containing 150 g/l boron for foliar application to provide additional boron or to treat boron deficiencies in a wide range of crops.
See all fertilisers choices

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