At present, it is the breeding period of spring cabbage, and the production should pay attention to the following technical points.

Select varieties used in the selection of 8398, Chungan No. 2, Chungan No. 3, and other cold-resistant, disease-resistant, strong winter varieties.

Prepare seedbeds for soil fertility and field plots where cruciferous vegetables were not planted in the previous year to make a seedbed, and fully mature manure fertiliser and appropriate ternary compound fertilizer. Before sowing, use 50% methine WP to disinfect seedbeds and use 10 grams per square meter.

Timely sowing of spring cabbage suitable for sowing time from late December to mid-January, when the temperature is low, the use of greenhouse nursery, the amount of 50 grams per acre. After pouring enough water to spread the broadcast, covering the screen after the broadcast drug soil.

Seedbed management Seed bed temperature is kept at 15～25°C before seedling emergence. Generally 5 days after seeding, it will be able to raise seedlings. After Qimiao gradually exhale, the seedbed temperature is maintained at 10 ~ 20 °C. If the seedlings are too dense, proper seedlings are needed to prevent the seedlings from growing. Seedlings have three true leaves at the time of seedlings, the seedlings will be transplanted into a nutrient bowl, the seedbed temperature is controlled at 8 ~ 20 °C. In the month of March, the seedlings were planted at low temperature before colonization, and the amount of air release was gradually increased. The minimum temperature of the seedbed could be gradually reduced to about 5°C, and the time for hardening seedlings was about 1 week. Afterwards, transplant it according to cultivation mode and weather conditions.

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