How to squat seedlings of Chinese cabbage?

The measure to promote the robust growth of Chinese cabbage by suspending watering from the middle stage of rosette to before filling is called squatting seedling. Squatting seedlings can control the virtual length of Chinese cabbage and make its leaves thicker, which is beneficial to the accumulation of nutrients and dry matter. At the same time, promoting the root system to develop in depth is conducive to absorbing more water and nutrients, which is very beneficial to the health of Chinese cabbage and entering the heart filling stage in time. In addition, squatting seedlings is also beneficial to control the occurrence and development of diseases. In the north, the time of squatting seedlings is generally 10 ~ 20 days. Chinese cabbage, which is usually sown in spring, summer and early autumn, does not squat because of its short growth period.

When squatting seedlings, fertilization, watering and intertillage must be organically combined to form a comprehensive effect of squatting seedlings. Generally, after sowing and topdressing, 1 ~ 2 times of heavy water is poured to make the soil layer full of water, and then intensive cultivation is carried out in time. It is required to deeply hoe ditches (6 ~ 9 cm) and shallow ridges (2 ~ 3 cm) to form a soft and fine water-retaining layer, and a large number of leaves and roots should be avoided.