Northeast sweet potato planting time and method

Northeast sweet potato planting time

In the Northeast region, sweet potatoes can be planted as long as the average temperature reaches above 15 degrees. However, in general, they are usually planted from late April to mid-May in spring, or from late August to late September in autumn. The climate temperature in these two time periods is more suitable for the growth of sweet potatoes.

Northeast sweet potato planting method

1. Seed selection and seedling cultivation: When planting sweet potatoes, you need to choose disease-free seeds, so as to increase its yield. You need to observe whether the seed potatoes are healthy, and then choose varieties with larger size and more buds.

2. Sowing: Before sowing, you need to soak the sweet potato seed potatoes in a solution of carbendazim for 10 minutes, then take them out for sowing. When sowing, you need to distinguish the head and tail, and then cover them with a layer of dead grass and rotten wood.

3. Maintenance and management: When caring for sweet potatoes, they need to be covered with a layer of plastic film for insulation. When the seedlings grow to 30-40 cm, the plastic film can be removed.

Things to note when planting sweet potatoes in Northeast China

After planting the sweet potatoes, you need to pay attention to the fact that in order to make them grow better, they need to be fertilized. Generally, human feces and urine water are used. Then, after the sweet potatoes survive, some urea needs to be applied appropriately to promote the more uniform growth of the seedlings.