Baiyuchun radish is planted as a greenhouse in autumn and winter. The growth period is 90 to 100 days, and the yield per mu is more than 5,000 kg. It is one of the ideal varieties for the cultivation of off-season vegetables. 1. It is advisable to choose greenhouses with steel sheds spanning 4.5 to 6 meters. It requires deep soil, loose soil, high organic matter content, good drainage, and no pollution. 2. Before fertilizing and arranging fertilization, more than 2000 kg of farmyard manure should be fully cooked per acre before tillage, 2 to 3 days after plowing in mid-late September to early October, and 75 kg of compound fertilizer per acre should be used as base fertilizer. Plowing once. The surface must be flat and thin, and 2 meters wide. Then carry out soil disinfection and control of underground pests. The bactericide is selected from 50% carbendazim 600 times solution or 70% thiophanate-methyl 800-1000 times solution spray. The insecticidal agent can be sprayed with 48% Lester's EC 800 to 1000 times solution. Third, staged sowing during the Spring Festival, the sowing date is in mid-late September; after the Spring Festival, the sowing date is mid-to-late October. Sowing before planting fully, the sowing rate per mu is 0.15 kg. The sowing method uses acupuncture on demand (this variety is not suitable for transplanting), the spacing of 25 cm 30 cm, 8000 points per acre. Each seed sown 2 to 3 seeds, then covered with composted soil fertilizer, pouring enough water. After sowing, 90% Niles, 50 ml of water, and 50 kg of water were used to control weeds before planting. Fourth, field management Dingmiao: 4 to 6 days after sowing, seedlings begin to grow, and 2 to 3 true leaves grow to start seedlings. After the seedlings, one seedling per hole is set, with about 8,000 strains per acre. 2. Shed shed and management: White jade radishes in the north of the Yangtze River more suitable buckle time is in mid-late October. The film was started when the average temperature dropped below 10°C on the day. This species is more tolerant of low temperatures, and it is exposed to fine weather after the shed. It is uncovered during the day and it is covered with a film when it encounters cold air or rainy weather. Before New Year's Day, more air is released. After the New Year's Day, the temperature is relatively low, and there should be little or no ventilation. The temperature in the shed is maintained between 10°C and 20°C. 3. Fertilizer management: The relative humidity in the shed is kept below 70%. In the six-to-eight-leaf stage, topdressing is performed once, and 15 kg of urea per acre is poured on the water. A small amount of weeds can be removed manually. 4. Pest Control. The main pests and diseases are cruciferous soft rot and aphids. Prevention of cruciferous soft rot, per acre with 12% of agricultural Streptomycin sulfate wettable powder 10 million units of water 50 ~ 75 kg sprayed and rooted; control aphids, imidacloprid can be sprayed on the water. V. Harvesting When the root diameter expands to 8 to 10 cm and the length is 25 to 30 cm, it can be harvested, usually before and after the Spring Festival to mid-to-late February. When harvested, leaves 5 to 6 cm long petioles are retained and graded and packaged for sale. (Luxian Rural Economic Bureau 063700)
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