Sweet potatoes, also known as sweet potatoes, sweet potatoes, yams, groundnuts, is the tubular flower order convolvulaceae plants. Sweet potatoes were first planted in central America around Mexico and Colombia, and were introduced to China around the Wanli period in the late Ming Dynasty, entering China's Yunnan, Guangdong, and Fujian in three routes.

Sweet potato is a high-yield and adaptable food crops, and industrial and agricultural production and people's lives are closely related. In addition to the tuber for staple food, but also food processing, starch and alcohol manufacturing industry is an important raw material, roots, stems, leaves and excellent feed.

Potato like light, fear of cold, not cold, suitable for the growth of 22-30 ℃, the temperature below 15 ℃ stop growing. Sweet potato's root system is very developed, strong fertilizer absorption capacity, it is appropriate to choose in the deep soil, loose soil, good soil quality, irrigation and drainage capacity of the soil planting.

Sweet potato is a nutritious and complete natural food, sweet potato nutritional value is very much, sweet potato rich in protein, phosphorus, calcium, potassium vitamin A, vitamin C and other rich nutrients, these nutrients are the human body health needs.

In addition, the sweet potato fiber content of up to 7.8%, it enters the human body can stimulate the intestinal wall, accelerate the digestive tract peristalsis and absorption of water, increase the volume of feces, help defecation, so that you can reduce constipation caused by the human body's own toxicity of the opportunity to slow down the process of people's aging, the human body is very beneficial.