How long can Guangxi acid field be preserved?

Guangxi acid field can be preserved for 5-8 days in cold weather and 2-3 days in hot weather. "Sour field" is a snack with low cost and high profit, and "Sour field" is a name in our Guangxi dialect. There is a saying in Nanning that "the hero is sad about the beauty pass, and the beauty is sad about the sour wild stall", which describes the "sour wild" beautifully. The production was made of seasonal fruits and vegetables: papaya, radish, cucumber, lotus root, broccoli, pineapple and so on. And pickled with sour vinegar, pepper and sugar.