Cultivation techniques of planting Chinese yam in high border

Chinese yam, also known as Dioscorea zingiberensis, is a perennial herbaceous vine. Like drought and fear waterlogging, it is suitable to grow in a sunny, warm and relatively dry environment. The optimum temperature for germination is about 15 ℃, and the optimum temperature for growth is 17-28 ℃. Generally speaking, weakly acidic soil layer and soil quality should be selected.