Should rural sweet potatoes be dried before storage after they are planed back? Any suggestions?

Although there are fewer sweet potatoes, if you want to store them for a long time, you still have to dry them for a few days after harvest. After the sweet potato is harvested, the water content of the sweet potato will be high, especially on the surface. There is too much water in sweet potato, which is particularly easy to rot in later storage, so it must be dried in the sun for a few days after harvest, especially when the soil layer is wet. The skin of sweet potato should be dried slightly and then stored. If the soil layer is already dry at the time of harvest, it can be harvested in the morning and stored in the afternoon.

If the soil layer is too wet, the seedlings should be cut down to dry the ground first, and then planted when the soil layer is slightly dry. When harvesting and planing sweet potatoes, it is best to cut seedlings in the morning, harvest and planing in the morning on sunny days, and put potato pieces in the cellar in the afternoon after drying underground to prevent freezing injury. Sweet potatoes must be dried properly before storage, so that some water can be volatilized and the storage resistance can be improved. At the same time, it is also beneficial to the soil in the potato block to fall off, and it is very easy to pick out sick potatoes, insect potatoes and rotten potatoes. But the drying time should not be too long, usually the day of harvest.

If the harvested sweet potato is air-dried, the water content of the stem block drops sharply, which leads to unreasonable transformation of nutrients in the stem block, and the part with less nutrients and more water will rot and be difficult to preserve. After all, storing stems is not drying potatoes, and it is impossible to dry all the water. Because the purpose of storing sweet potatoes is to ensure their freshness. Sweet potato contains sugar and cassava starch, which not only brings food crops, but also is the origin of key raw materials in industrial production and pharmaceutical industry. It is not difficult to see that the expansion of sweet potato planting area and the abundant demand in China are not "nonsense".

In the past, sweet potatoes were mainly used for eating. With the development of social economy, sweet potato has evolved from simple food to nutritional health care products and concentrated feed for livestock. Rattan, which was originally used to make green manure crops, has now become a healthy special food for people and a refined feed for raising livestock and marine fish. Therefore, sweet potato planting is a new agricultural project that occupies an important position in China's grain crop farmland, and it has been planted until now, and its planting and utilization value is particularly great.