How many seasons are sweet potatoes planted in a year?
Sweet potato can be planted once a year, and the best planting time of sweet potato is spring1-March every year, because sweet potato is suitable for growing in high temperature and high humidity environment and is not cold-resistant. When the average temperature is 20-25 degrees, sweet potatoes will sprout and grow leaves.
Sweet potato planting conditions
1, temperature
High temperature and high humidity are beneficial to the growth of sweet potato, but high temperature drying will lead to the death of leaves. The lowest temperature of sweet potato germination is 10℃, and sweet potato growth needs 20-25℃, but it cannot exceed 35℃, otherwise it will lead to death.
2. Lighting equipment
Sweet potatoes are not strict about light. Relatively tolerant to shade, it can grow normally under weak light, but it needs long-term illumination, which is beneficial to the growth of sweet potato and improves yield and quality.
Sweet potato harvest season
The harvest time of sweet potatoes is usually between August and 65438+1October, in which early-maturing sweet potatoes can be harvested in August, and late-maturing sweet potatoes can not be harvested until September-65438+1October, and it takes about 180-260 days from planting to harvesting.
Sweet potatoes should be dug out in time when they are ripe, especially in the northern region, where the temperature drops in autumn and it is easy to freeze the sweet potatoes. The southern region is relatively warm and can be dug out in February of the following year.