1, variety selection: based on common species and giant Malone species. The common kohlrabi root ball is slightly smaller, the meat is tender, the fiber is less, the fragrant and crisp, and the quality is good. Malone leaves small and thick green, the root ball is very large, and the output is up to 5,000 kg/mu. 2, suitable for sowing: the region is planted between late July and late August, live or transplanted. 3, reasonable close planting: live broadcast, the average species of acres to stay 25,000 or so; transplanting density of 25cm × 15cm, about 20,000 acres of planting; Malong species transplanting density of 45cm × 50cm, about 3,000 plants. 4, fertilizer management: After the transplanting of kohlrabi, it is necessary to immediately pour the fertilizer. During the growth and development of kohlrabi, it is necessary to apply thin organic fertilizer and NPK fertilizer. Usually every 15-20 days, once every 3 to 5 times, each time with 5-10 kg of NPK compound fertilizer per mu, with a thin manure and water fertilization. In the rapid expansion period of underground roots, the application of potassium dihydrogen phosphate is 3 to 5 kg per mu, 800 times of vegetable-specific type of high-tech organic humic acid active liquid fertilizer or 500 times plant vigor, 5000 times per 7-10 days. Huangjia natural brassin mixture is sprayed 3 to 5 times; and it is guaranteed to have sufficient water supply, avoiding frequent and frequent soil cracking. 5, pest control: seedling period should pay attention to prevention and control of aphids and viral diseases, can be sprayed 1 2 times 2500 times clean, 800 times virus A mixture for prevention and treatment. During the expansion period, attention should be paid to the control of radix scutellariae, root rot, etc., and the 1500-fold liquid agricultural music and 2500 times liquid dysprosium mixture can be sprayed on the foliar surface for prevention and treatment. The kohlrabi is mainly sold as pickled products, and the expansion of production must be combined with processing companies to create higher benefits.
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