How to Reduce Onion Neck Thickness

An adequate dimension of the onion neck will prevent invasion of diseases.

Dry onions need a period of curing or drying, in order to seal the entrance. Necks that are too thick will affect the storage quality and health of the crop. A balanced crop nutrition is essential to reduce onion neck thickness.

Crop Nutrition and Onion Neck Thickness

Nitrogen and Onion Neck Thickness

Crops with phosphorus and manganese deficiencies tend to have thicker necks at maturity. Later applications of nitrogen result in greater thickness as well.