Compared to regular green onions, off-season dried onions have a firmer texture, a waxy coating on the surface, and a low shrinkage rate during winter. These onions remain crisp and fresh at room temperature for up to two months without losing their flavor. They are considered a premium variety among green onions due to their extended shelf life and superior quality. To maintain their freshness and weight, it's essential to follow proper harvesting and storage techniques.
First, 15 to 20 days before harvest, irrigation should be stopped, and all the white parts of the onions should be covered with soil. This helps in reducing moisture content and enhances the drying process. Second, it is important to harvest the onions on a sunny morning when the temperature reaches around 0°C. Harvesting at this time ensures that the onions are dry and less prone to spoilage. Third, when harvesting, use an iron shovel to carefully dig the soil, then gently pull the onions out to avoid contact with the ground. After harvesting, allow the onions to dry in the sun, sort them by size, and tie them with soft ropes or straw. Avoid piling too many onions together, as this can lead to overheating and decay. Proper handling and storage will significantly improve the quality and longevity of the dried onions.
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