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胶东是大白菜发源地，著名的福山系列大白菜就产自烟台，繁殖大白菜种子在烟台市有悠久的历史，过去一直以繁殖地方品种为主，最近几年，大白菜杂交种制种面积有所发展，为此，我们对烟台市大白菜杂交制种技术进行了研究。１区域选择烟台市农业气候区划分为四个区，由于各个区?
Jiaodong is the birthplace of Chinese cabbage, the famous Fukuyama series of Chinese cabbage is produced in Yantai, breeding cabbage seeds in Yantai City has a long history in the past has been to breed local varieties in recent years, the Chinese cabbage hybrid seed production area For this reason, we conducted a research on the hybrid seed production technology of Chinese cabbage in Yantai. 1 regional selection Yantai agricultural climate zone is divided into four areas, due to the various districts?