Sweet potato stalk is the stalk of sweet potato that we often eat. Sweet potato stems are rich in protein, crude fiber, fat and trace elements. Eating sweet potato stalks is helpful to health, such as promoting intestinal peristalsis, helping to detoxify and relieve constipation, which will have a good effect on weight loss; Sweet potato stalks are generally eaten after drying, which is not only delicious, but also easy to preserve and will not rot.

How to preserve sweet potato stalks and dry them in the sun;

First, screen the sweet potato stalks and throw away some rotten, rotten and soft ones. Then the leaves of the sweet potato are also removed, leaving only the sweet potato stems. Wash the sweet potato stalks with clear water and carefully clean them to ensure that they are thoroughly cleaned. Boil half a pot of water, then put the sweet potato stalks in the pot and cook for a while. Don't boil for a few minutes, then remove and drain. Finally, put the cool sweet potato stalks on a clean pan cover, spread them out, dry them in the sun, turn them over every half day, and continue to dry them in the sun for about 2 days. The dried sweet potato stalks are stored in fresh-keeping bags.

A few days before the sweet potato is placed, the cellar should be fumigated with sulfur, disinfected and sterilized. When placing sweet potatoes, spray carbendazim solution in the cellar first, leaving no dead ends. When storing sweet potatoes, it is forbidden to put them in snakeskin bags, which is not conducive to sweet potatoes breathing in the cellar, because sweet potatoes should rest in the cellar: release water and increase sugar. Sweet potatoes are prone to rot when they can't move normally. Sweet potatoes are placed in layers when stored, and carbendazim solution is sprayed every 20㎝ layer. There are many ways to preserve sweet potatoes, and farmers who are generally planted are the main force. Sweet potatoes that need to be stored are large in scale, large in quantity and long in duration, and most of them are stored in cellars. Ordinary consumers, as end users, generally buy sweet potatoes from the market and store them in sealed boxes or refrigerators. No matter what kind of preservation method, as long as the method is proper, it is no problem to keep it for more than three months.