Winter cabbage is an efficient and cold-tolerant vegetable variety that was promoted by the Association of Peony District of Heze City, Shandong Province in 1996. Under the condition of normal cooling, the variety is protected at 10-13°C without any protection, and it can safely expose to the ground for winter. It does not need to fight drugs, no pests, pollution, labor and time, and is easy to manage. It only needs to change the planting mode and can Harvest in December-March, which can be listed 1-2 months ahead of the greenhouse, yielding benefits of 3000-5000 yuan per mu. First, the characteristics of characteristics: There are two types of garden ball and bovine heart type. Plant development degree 55cm, plant height 27cm, 15 functional leaves, leaf ball height 13cm, center column 5cm, dark green leaves, crisp leaf quality, good palatability, wax powder medium, ball compaction. Hard to crack, strong resistance to bolting, high cold resistance. The spacing is 5040cm, about 3300 acres are planted, and the single ball weighs about 2kg. 5000-6000 kg per mu. Second, the cultivation points: winter sowing cabbage generally has two sowing dates, the first sowing date is from July 25 to August 5 seedlings, planting before September 15, seedling age 28-30 days, take different management measures, 12 Month - March can be harvested listed. The second sowing date is from October 1st to October 10th, and the seedling age is 40 days. In mid-November, Daejeon is planted and harvested before mid-April. Seedlings when the seedlings should not be too large, the general rhizome is not more than 0.6cm, no more than 7 leaves, leaves no more than 7cm wide, otherwise, through vernalization, the phenomenon of early bolting occurs. The variety must be sown on a strict schedule, otherwise it will bolt, causing loss. Third, the winter and spring management: This variety of winter cultivation requires a full application of base fertilizer. Usually 667 square meters with pear base applied high-quality organic fertilizer 3000 kg, 50 kg of diammonium. For the first sowing date (that is, at the end of July and early August), the fertilizer was chased once or twice a month from September to October. Each time 15 to 20 kg of urea was recovered, and timely watering promoted growth. In early November, it is necessary to control fertilizer and water to make it grow thick. In late November, it will be poured over winter water to enhance cold resistance. In special cold areas, mulches must be used to prevent freezing and promote growth. For the second sowing date (ie October 1st to October 10th), after planting watering, the mulch or shed should be buckled for winter, and the temperature rises after the beginning of spring to grow. From the end of February to the beginning of March, the seedlings grow to 12-14. When the leaves were true, the membranes were broken down in stages and then lowered to the ground. From late March to early April, the bulbs were grown rapidly. One chemical fertilizer was chased and 15-20 kg of chemical fertilizer was harvested. In mid-April began harvesting market. China Agricultural Network Editor
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