Yes When the stem of hydroponic sweet potato grows to about 20 cm, cut the stem short. When the bottom of hydroponic sweet potato is dry, it should be cut off. You can cut off the dead branches, cut off the side branches in the living branches, and put the seedlings together in a line to prevent the roots from sticking. Hydroponically cultivated sweet potato needs proper water quality if it wants to grow vigorously. In the curing room, add a proper amount of water to the sweet potato to provide enough water for its growth and prevent the sweet potato from rotting.