A sweet potato can cultivate two or three seedlings. To raise seedlings with sweet potatoes, potato pieces with smooth skin, no disease, no injury and much white pulp should be selected as seeds, sterile and disease-free plots with sufficient sunshine should be selected as seedbeds, and some farmyard manure should be applied. Soak the prepared potato slices in 50% paclobutrazol for a period of time, and then plant them diagonally or in parallel.

Cultivation time of sweet potato seedlings

1 The cultivation time of sweet potato seedlings depends on the planting area and climate. Usually, the cultivation time is around March. When cultivating in spring, it is usually around the time of fright. The cultivation can be started in February in the southern region and completed in the northern region before Tomb-Sweeping Day.

2. During cultivation, because the temperature is low, it is necessary to cultivate in a hotbed. During this period, heat preservation measures should be taken, and the cultivation time can be reasonably grasped according to the time of planting and listing. Generally, the cultivation work should be started 4-5 weeks before planting sweet potato seedlings.