The dried potatoes are processed into annual herbs. The underground part has round, oval  Fusiform shaped tubers. The stems lie flat  rise, occasionally twining,  have many branches. The shape  color of the leaves often vary with different varieties. The sweet potato contains rich dietary fiber, which  only increases the sense of satiety, but also is called sweet potato, sweet potato, sweet potato, golden potato, farragon, red yam, yam, yam, yam, yam, yam, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, goose Cute sweet potatoes.

Annual herb with round, oval  Fusiform shaped tuberous roots in the underground part. Sweet potatoes like light  are short day crops. During the growth process of plants, there is a high demand for light energy, which is a crop that is  tolerant to shade.  the stem  leaf stage, the light energy lasts for a long time  the photosynthetic efficiency increases. Conversely, it will reduce the photosynthetic efficiency  affect plant growth.

The daily sunshine time should be 8-10 hours. Adequate sunlight can  only promote flowering  root block formation, but also accumulate more nutrients on the root block, promoting root block expansion. Sweet potatoes are native to South America  the Greater  Lesser Antilles,  are widely cultivated in tropical  subtropical regions around the world.

Sweet potato is widely cultivated in most regions of China,  is a high-yield  adaptable food crop closely related to industrial  agricultural production  people's lives. In addition to being the main grain, block eradication is also an important raw material for food processing, starch,  alcohol manufacturing industries. Roots, stems,  leaves are also excellent feed.