First, the trench method: After the onion harvesting, drying on the spot for several hours, remove the root of the soil, remove diseased plants, injured strains, tied into bundles of about 10 kg, stacked in a well-ventilated place for about 6 days, so that the onion appearance of water Completely dry. At the same time, choose to dig trenches in the shade ventilation, trench depth of about 33 centimeters, width of about 150 centimeters, depending on the length of storage, the distance between 50 to 70 cm. If the bottom of the ditch has low humidity, one can pour water once. After the water is completely infiltrated, bundle a bunch of green onions into the ditch so that the next bundle of leaves covers the top of the previous bundle. It is best to use a 30-35 cm long corn stalk to insert a circle around it, so as to facilitate ventilation and bury the light blue part of the soil. Before the arrival of the cold, cover it with a straw or straw and store it until March of next year. Second, the burial method: there is no place to dig, you can use this method. After drying, picking, and tying green onions, put them on a shady corner or in a cool indoor room. Spread a layer of wet soil on the bottom, and bury the green onions with wet soil to the onion leaves. Or bury it outdoors, cover the grasshoppers before the cold begins to prevent freezing. Third, the dry method: the timely harvest of green onions drying 2 to 3 days, knock down the roots of the soil, remove diseased plants, injured strains. When 70% is dry, tie about 1 kilogram of onion and put it in a dry and ventilated place. Take precautions against heat and moisture during storage. Fourth, the shelf method: After drying, the selected onion tied into a bundle of about 5 kg of onion, a single layer on the storage rack. If stacked, vents need to be left for ventilation and ventilation to prevent spoilage. V. Preservation Storage Method: Dig a shallow flat pit in the yard or in the ground. Remove the injured onion and diseased plants from the harvesting onion, bundle them into small bundles, leave them in the pits, and bury the green onion and scallions with soil. After burying it, fill it with water. 6. Hollow Stork Method: Hold a shed in a place where the terrain is high and flat and where drainage is convenient, or use a pad to raise the height of the rake. The height of the ramie is 30 to 40 cm, and the scallion roots that have been processed before the storage are outward, The leaves are arranged inward to form a hollow dome. In order to maintain stability without falling down, when each pole is 7 to 8 centimeters high, several bamboo poles can be placed horizontally and vertically. It has been raised to a height of 2 to 3 meters. The dome has been covered with a mat or straw to prevent rain.
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