1, taproot: taproot is a root formed when seeds germinate and grows underground, providing a channel for mainly absorbing water and nutrients. The length of taproot is about 10 cm.

2. Lateral roots: Lateral roots grow from the main roots and spread around, which helps to increase the distribution range of plant roots. The length of lateral roots is usually about 20 cm. Therefore, the root system of Chinese cabbage is 10 to 20 cm.