1, sweet potato, is a perennial herbaceous vine plant of the genus tiger palm vine of the family Cyclophyllaceae, with milky sap, adaptable, like warm and light but not frost, drought and alkali resistance, suitable for planting in the fertile and well-drained sandy loam, is an easy to keep the crop.
2, groundnut seeds, Chinese medicine, for the legume bean seeds, Taiwan, Fujian, Guangdong, Guangxi, Yunnan, Sichuan, Guizhou, Hunan, Hebei and other places are cultivated, with the efficacy of treatment of ringworm detoxification, commonly used in scabies, carbuncles.