育苗是甘薯生产过程中的首要环节，也是甘薯繁殖的主要手段。通过育苗既能提高良种繁殖率，又能保持良种纯度。因此，育苗质量的高低，直接影响着新品种推广普及的进程，也影响甘薯的产量。我们经过几年的试验与实践，通过对过去育苗方法的改进，总结出了几种甘薯育苗的新... Nursery sweet potato production process is the primary link, but also the main means of sweet potato breeding. Through raising nursery can not only improve breeding rate, but also to maintain the purity of varieties. Therefore, the level of nursery quality, a direct impact on the promotion of new varieties of the process of popularization, but also affect the production of sweet potato. After several years of experiment and practice, we have summed up several new breeding methods of sweet potato seedlings through the improvement of past seedling breeding methods.