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1.选择适宜的品种适宜的品种是保证丰产的前提。如在豫北地区一般以圆叶型、叶簇生、节间较密、耐寒性强的山东白皮、陕西圆叶白笋最佳。2.适时育苗巧管理①育苗。由于莴笋苗的适生温度为12～20℃,所以要根据其生长发育特性安排在最佳时期。河南豫北地区一般9月20日至10月5日。
1. Select the appropriate varieties of varieties is to ensure that the premise of high yield. As in the northern region of Henan generally round-shaped, leaf clusters, internodes dense, cold hardy white Shandong, Shaanxi circular white shoots the best. 2. Timely nursery skill management ① nursery. As the lettuce shoots suitable temperature for 12 ~ 20 ℃, so according to their growth and development characteristics arranged in the best period. Henan North Region General September 20 to October 5.