Why do people always say that the sweet potatoes in Lankao are delicious?

Lankao is close to the Yellow River, rich in sand resources and fertile soil. Lankao people have always had the agricultural habit of planting sweet potatoes. Jiao led the masses to grow sweet potatoes as staple food in Lankao that year. The sweet potato in Lankao is very sweet, with low sand and fiber content and no silk, which is very popular with children and the elderly. Eat Lankao sweet potatoes and find Lankao national potatoes.