Overview: Brassinca oleracea var.capitata is also known as Chinese cabbage, cabbage, cabbage and cabbage. Cruciferae, a variety of Brassica, can form leaf bulbs and is an annual or biennial herb. Feeding on leaf bulbs, it can be fried, boiled, cold-mixed, pickled and dried. Widely cultivated all over the world, it is the main vegetable in Europe and America, and cultivated all over China. If you choose the right variety to sow and harvest in stages, it can be supplied all year round.

Features: The taproot is underdeveloped and there are many fibrous roots, which are mainly distributed in the soil layer with a depth of 30 cm, and have strong water and fertilizer absorption, drought resistance and moisture resistance. Stems are short and thick in vegetative growth period, and tall when flowering. The changes of leaves in different stages are obvious, the basal leaves and young leaves have petioles, and the leaves have wings in rosette stage, but the petioles are not obvious. Chinese cabbage is a raceme and cross-pollinated crop, so interspecific hybridization should be prevented and naturally isolated above 2000 meters. The fruit is pod, which is easy to crack when it is ripe and easy to drop seeds when it is harvested too late. The 1000-grain weight of seeds is 3-4g.

Variety: Chinese cabbage is just a variety of Chinese cabbage. In addition to leaf cabbage, there are also non-heading kale. In cabbage, there are leaves that shrink. This kind of leaves is called wrinkled cabbage. There are red cabbages, because their leaves are purple. They are called Brussels sprouts, because their leaves are small and formed by lateral buds in the axils. Although these cabbages are different in color, bulb size and leaf smoothness, they are all leaf cabbages, and their cultivation techniques are similar to ordinary cabbages. In ordinary Chinese cabbage, it can be divided into three types according to the shape of leaf bulb: flat head, round head and pointed head, and according to maturity, it can be divided into three types: early maturity, middle maturity and late maturity. The main varieties in the Jianghuai Valley are Feng Chun, Xia Guang, Chen Su 1, Chenggong Dapingtou, Jingfeng 1, Feng Wan, Heiyepingtou and Jingchun.