Select cylinders or tanks that have not been filled with acid, alkali, salt, or oil, wash them with clean water, turn them upside down, and make water droplets on the inner wall of the tank (cans) be finished. Then turn it back and play it back. Then wipe it with 70% alcohol or 60 white spirits. Disinfection of the inner wall. When the grapes mature and the temperature drops to the point that the grapes are in danger of freezing, cut the ears and place them layer by layer in the cylinder. Each layer of grape is separated by bamboo shoots or forest straw woven curtains to prevent the grapes from layer to layer. Crimping and easy to ventilate. After filling, seal with a non-toxic plastic film and fasten it in a cool place. Storage temperature is about 0°C. Can also be filled with grapes in the tank or pot sealed buried in the shade of the underground, and then cover 20 to 40 cm thick soil, so as not to accumulate water, so stored until the New Year's Day or the Spring Festival, the grapes are still fresh and delicious. Excerpt from: "Guoshu storage preservation processing Daquan"
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