Storage method of green onion

Green onions originated in Siberia, China has a long history of cultivation, widely distributed, and Shandong, Hebei, Henan and other provinces as important producing areas, cold and heat resistance, strong adaptability, can be listed in the four seasons, is a necessary thing in the daily kitchen, let's take a look at the preservation methods of green onions!

Conventional storage of green onions

1. Trench storage: after the green onions are harvested, dry them on the spot for a few hours, remove the soil from the roots, remove the sick and injured plants, tie them into bundles of about 10 kilograms, and store them in a well-ventilated place for about 6 days; make the appearance of green onions completely dry. Choose the leeward ventilation to dig the ditch distance of 50-70 cm. If the humidity at the bottom of the ditch is small, it can be watered once. After all the water has seeped, put the spring onions in the storage ditch one by one, and then bury the green and white parts with soil. Before the cold comes, cover it with straw curtains or corn stalks. This can be stored until March of the following year.

2. Burying and storage: the green onions dried, selected and bundled by the above methods are placed in the corner of the shady wall or in the cold room, the bottom is covered with a layer of wet soil, and the surroundings are buried in the green onion leaves with wet soil. If it is buried outdoors, it can be covered with grass to prevent freezing before the severe cold.

3. False planting storage: dig a shallow flat pit in the hospital or in the ground, remove the injured and diseased plants from the green onions harvested before the Beginning of Winter, tie them into small bundles, fake plant in the pit, and bury the white part of the onion roots with soil. After burying, it is irrigated with heavy water to increase soil moisture, promote the germination of new roots, slow down the drying of onion leaves and prolong the fresh-keeping time.

4. Dry storage: dry the green onions harvested in the right time for 2-3 days, shake off the soil from the roots and remove the sick and injured plants. when they are dry for seven days, they will be tied into about 1 kilogram of onions, and the roots will be placed in a dry and ventilated place one by one. Pay attention to heat and moisture protection during storage.

5. Frozen storage: after the green onion is harvested and hung for a few days, after the seeds wilt, remove the injured and diseased plants, shake off the soil, tie it into small bundles, put it in an empty room or in a cool, dry place with little temperature change outside, without any heat preservation measures, and let it freeze naturally. In the severe winter, all the stored green onions are frozen, and when the weather gets warmer, the green onions can be thawed naturally. As the saying goes, "if you are not afraid of freezing, you are afraid of moving." do not move green onions during thawing, otherwise they are easy to rot after thawing.

6. open field overwintering storage: the green onions planted are not harvested in the harvest season. before the land freezes, the green onion ridges are highly cultivated and thick cultivated, and then they can be dug up and listed at any time according to the need.

7. Short-term fresh storage: dig a 20 cm deep flat bottom pit near the wall in the shade, cover the bottom with 0.3 cm thick sand, and surround the pit with bricks. The size of the pit depends on the storage capacity. After the green onion is harvested or bought back, first pour 6-7 cm deep water in the pit, wait for the water to seep, immediately put the green onion into the pit, pour some water into the four corners of the pit every 3-4 days, so that it can be kept fresh for about a month, the leaves do not turn yellow, do not dry, can be sold on the market.

Storage of green onions in autumn and winter

1, shelf storage method: in the open air or shed, indoor, the use of wood or steel to build storage shelves. The harvested and dried green onions are bundled into bundles of 7-10 kg and stacked on the shelf in turn, leaving a gap in the middle for ventilation to prevent decay. Open-air shelf storage, covered with plastic film to protect against rain and snow. Open the bundles regularly during storage and remove the feverish plants in time.

2, ground storage method: in the leeward place of the flat ground, spread 3-4 cm thick sand, dry and tied green onions in the sand secret password, root down, 1-1.5 meters wide. After the yard is ready, cultivate 15cm-high sand around the roots of green onions. Covered with grass curtain and plastic film to protect against rain.

3. Ditch storage method: dig a shallow ditch with a depth of 20-30 cm and a width of 50-70 cm in a cool and ventilated place. Bundle the selected and dried green onions into bundles of about 10 kilograms. After filling the ditch with enough water, plant a bundle of green onions into the ditch, bury the green green parts with soil and surround them with corn straw to facilitate ventilation and heat dissipation. Cover with straw curtains or corn stalks before the temperature drops.

4. Cellar storage method: dry for several days after harvest, bundle the green onions into bundles of about 10 kilograms, and discharge them upright in a dry, sunny place to dry. When the temperature drops below 0 ℃, store it in the cellar. Keep 0 ℃ low temperature in the cellar, pay attention to heat and moisture protection.

5. cold storage method: the disease-free and non-disabled green onions are bundled into bundles of about 10 kilograms, put into boxes or baskets, and stored in cold storage. The relative humidity is 80% ℃ and the relative humidity is 80% Murray 85%. Regular inspection should be carried out during storage to remove rotten green onions in time.

6. Slightly frozen storage method: dig a shallow trench 10-20 cm deep and 1-2 m wide on the north side of the east-west wall. Hold the dried green onions into bundles of 7-10 kg and store them vertically in the ditch. At the beginning of storage, the upper part of the green onion bundle was opened and turned once a week to dry all the green onion leaves. When the weather is cold and green onions are slightly frozen, cultivate soil for green onions and cover the top with grass curtains.