How to keep green onions fresh

Scallions are not only an edible vegetable, but also a condiment that can be used with many foods. Scallions have good cold resistance, and they also have the effects of increasing appetite, lowering cholesterol, preventing colds, and sterilizing. However, people with poor gastrointestinal function or constipation cannot eat them. If scallions are not kept fresh, they will also go bad. So what are the methods for keeping scallions fresh?

First, what are the methods for preserving and storing green onions ? Shelf storage method. In the open air, in a shed or indoors, storage racks are built with wooden poles or steel. Bundle the harvested and dried green onions into bundles of 7 to 10 kilograms and stack them on the racks, leaving gaps in between for ventilation and to prevent rotting. For outdoor storage, cover with plastic film to prevent rain and snow. During storage, the bundles should be opened and checked regularly, and plants that have heated up and deteriorated should be removed in time.

Second, dig trenches for storage. After the green onions are harvested, they are dried on the spot for a few hours, the soil on the roots is removed, diseased and injured plants are removed, and they are bundled into bundles of about 10 kilograms and piled in a well-ventilated place for about 6 days to allow the moisture on the surface of the green onions to dry completely. Choose a place that is sheltered from the wind and well ventilated and dig trenches with a distance of 50 to 7 If the humidity at the bottom of the ditch is low, water it thoroughly once. After all the water has seeped down, place the onions in bundles in the storage ditch, and then cover the white part of the onions with soil. Before the severe cold arrives, just cover it with straw mats or corn stalks. This way it can be stored until March of the following year.

Third, ground storage method . On the flat ground in the leeward area, spread 3 to 4 centimeters of sand, and densely place the dried and bundled scallions on the sand with the roots facing downward, 1 to 1.5 meters wide. After stacking, build up 15 cm high sandy soil around the roots of the green onions. Cover with straw mats and plastic film to prevent rain.

What are the methods for preserving and storing green onions? Cold storage method. Bundle the green onions that are free of pests and damage into bundles of about 10 kilograms, put them into boxes or baskets, and stack them in the cold storage. The temperature in the warehouse is maintained at 0~1℃ and the relative humidity is 80%~85%. During storage, regular inspections should be carried out and rotten and spoiled onions should be removed in time.