近年来 ,脱毒甘薯的种植面积迅速扩大 ,增产幅度在 2 0 %以上 ,已取得了巨大的经济效益和社会效益。脱毒甘薯由于脱除了病毒 ,营养生长旺盛 ,生理机能协调 ,具有较大的增产潜力。但和普通甘薯种植一样 ,脱毒甘薯高产种植也要采取相应的栽培措施 ,才能充分发挥脱毒甘薯的增产潜? In recent years, the planting area of ​​virus-free sweet potato has rapidly expanded, and the rate of increase in production is above 20%. Great economic and social benefits have been achieved. Virus-free sweet potato due to the removal of the virus, strong vegetative growth, physiological coordination, with greater yield potential. However, as with ordinary sweet potato cultivation, high-yielding virus-free sweet potato cultivation should take corresponding cultivation measures in order to give full play to the yield potential of virus-free sweet potato