How to grow sweet potatoes? How to grow sweet potatoes?
1. Land selection: select sandy loam with deep soil layer, good drainage, medium fertility and strong water and fertility conservation.
2. Germination accelerating treatment: put the soaked seeds in a temperature box of 25-28℃ to accelerate germination.
3. Sow in time: sow l-2 seeds in each hole, and cover the soil for 2-3 cm after sowing.
4. Field management: When the main vine grows to 18-24 leaves, the sweet potato is cored.