Xiaoqing (white) cabbage is relatively cold-tolerant, belonging to direct root system, with shallow root distribution, tender leaves and large evaporation, which requires high soil humidity and air humidity; The short growth period requires loose and fertile loam or sandy loam with convenient irrigation and drainage, which requires more nitrogen, followed by potassium and less phosphorus.

When pulling the cross, apply the first fertilizer, and raise seedlings with 5 kg of calcium superphosphate and 5 kg of ammonium bicarbonate mixed with 5 kg of water per mu; After the seedlings are fixed, 5 kilograms of urea and 5 kilograms of potassium sulfate are mixed with water for topdressing, and then topdressing is applied again every 1-15 days, with 15-2 kilograms of urea per mu. Topdressing should be combined with irrigation to keep the soil moist.

The harvest time of Xiaoqing (white) cabbage depends on the variety characteristics, cultivation season and market needs. Cabbage can be harvested in 3-4 days after sowing in autumn, 5-6 days after full growth, and more than 1 days after sowing in winter and spring. It can be harvested intermittently or at one time.

Extended information:

Morphological characteristics of Chinese cabbage:

Chinese cabbage is a cultivated plant of mustard, with edible stems and leaves. It is an annual or biennial herb and is often cultivated as an annual. The plant is short, with shallow roots and developed fibrous roots. The leaves are light green to dark green, the leaves are obovate or oval, the leaves are smooth or wrinkled, and a few have fluff.

the petiole is thick, white or green. Do not knot the ball. Flowers yellow, seeds suborbicular. According to the determination, Chinese cabbage is the most abundant vegetable with minerals and vitamins.

Baidu encyclopedia-small green vegetables