Formerly known as the sweet potato sweet potato, also known as Hongyu, sweet potato, sweet potato, potato, Fan taro, sweet potato, sweet potato, wire potato, sweet potato, gold potatoes, sweet potatoes, Zhu potato, potato pillow, Fan Ge, white taro, taro fennel. Sweet potato growth habit: temperature. Thermophilic sweet cold, sowing songs 5-10 cm, ground temperature is not the hair root around 10 ℃, pure sweet potato starch noodles, 15 ℃ need five days the hair root, 17-18 ℃ hair root normal, 20 ℃ 3 days of root, Zhengzhou pure sweet potato starch noodles, 27-30 ℃ day can be just the hair root. Sweet potato vermicelli, Xinxiang pure sweet potato starch noodles, also known as sweet potato noodles, vermicelli, is a Han Chinese traditional staple, Puyang pure sweet potato starch noodles, more than 600 years of history. Sweet potato vermicelli traditional process: filtering. With 0.7 to 1.5 meters hanging pulp cloth filter, to filter twice. First solution to dilute some of the second pair a bit strong, filtrate into the pool for 2 days, the pool water exhausted, the amount of water added to the original 1/3 stirring, then filtered again, the filtrate into the pond sediment.