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为了探讨小白菜系列品种在温州市周年生产的可能性，从1996年3月至1997年22月对华王青梗白菜等4个品种进行了12茬（每月1茬）适应性对比试验，观察在不同气候条件下其生长发育特性、夏秋季耐热性、秋冬季的丰产性及春季的耐低温能力和抽芙开花习性＿现将结果报告如下。1材料和?
In order to explore the possibility of Chinese cabbage varieties in annual production in Wenzhou city, 12 varieties (1 st month) were compared with 4 varieties of Chinese cabbage (Brassica campestris sibirica) from March 1996 to December 1997, Observed in different climatic conditions its growth and development characteristics, summer and autumn heat-resistance, high yield in autumn and winter and low temperature tolerance in spring and pumping flowering habits _ now report the results as follows. 1 material and?