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The preferred variety. Spring cabbage varieties preferred "small black North early." The variety has good cold resistance and high yield, with 4,000 acres and a single ball weight of 1.5-2 kg. You can also choose Zhonggan 11 and Qincai 2 and other varieties. The summer cabbage variety is preferred on the early summer 16th. This species has few outer leaves, neat ball, flat ball, single ball weighing about 1 kilogram, heat, moisture, and disease resistance. From the time of planting to harvesting 55-60 days, it harvested 5 days earlier than Xiaguang 16, increasing production. More than 10%.
Selected field preparations. The selection of sandy loam soil plots with convenient ventilation, high ground dryness, and convenient irrigation and drainage requires the planting of cruciferous crops for more than two years. Shi farmer fertilizer per acre 1000 kg, compound fertilizer 50 kg, ploughing after the preparation of land ridge. Ridge width 50 cm, height 25 cm.
Nursery colonization. Spring cabbage protection nursery, seedling age 60-70 days. From late December to late January, sow seedlings with 2-3 true leaves at one time, seedlings 8-10 cm. Planting from late February to early March. Summer cabbage is sown in late March to late April. Age 25-30 days, not too long.
Field management. According to 6055 cm specifications double planting, pouring enough water. After 3 days, the quantity of watered human urine was diluted to raise the seedlings and the line was sealed for 1 month. Hair trees are applied to 2-3 times of pre-harvest fertilizing in the early stage of Baoxin and 10-20 kg of urea are applied per mu. In the early stage of the package, heavy fertilization is required and 1% potassium dihydrogen phosphate or other multi-element foliar fertilizers are sprayed. After the ball was exposed to dry weather, the amount of irrigation water and irrigation times were increased, and the watering was stopped one week before harvest. Spring cabbage was harvested and transplanted before transplanting.
Pest control. Generally after the planting, the moth is used as a net, and the vegetables are used to control cabbage caterpillars and aphids. The viruses K and Sterilizers are used to prevent soft rot and epidemics. Summer cabbage every 5-7 days with a strong stick, Anoxa insects and other biological pesticides, or insects and other insects to sweep the light and other low-toxic pesticides once spraying, control cabbage caterpillar and other pests.
Spring cabbage and summer cabbage are planted in continuous crops, with a yield of 2500-3000 kg per mu. The cabbage is marketed early and the price is high.