The basal leaves of cruciferous vegetables are mostly lotus-shaped, simple leaves, and lettuce is one of the cruciferous vegetables.Lettuce, commonly known as lettuce, is an annual or biennial crop of the Lactuca genus of the Compositae family.The leaves grow densely, can be eaten directly, are very crisp, and are widely cultivated in the north and south of China.
Lettuce grows very fast. Generally, potted plants can be picked and eaten in about a month.Usually, if planted in spring and autumn, the seedling stage is only 25 days.In summer, it should be picked about 35 days after sowing.It not only grows fast, but also the method of sowing is relatively simple.
Lettuce seeds are very small, in the time of sowing and fine sand to stir, and so on after stirring evenly broadcast to the pot on the line.After sowing, it is necessary to cover with soil, about 0.5-1cm.Before planting, it is best to hasten germination, put the seeds in water overnight, then wrap them with wet gauze, put them in the refrigerator, and sow them when they are white.It needs to be kept moist during its growth period, and the soil environment in which it grows should not be too dry, so it is necessary to water it in time when the soil becomes dry.
