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大白菜新品种──北京新二号北京市蔬菜研究中心大白菜课题组经过多年经心选育，推出大白菜新品种北京新二号。该品种１９９０～１９９３年参加北京市晚熟大白菜区试实验，１９９１～１９９３年参加全市贮藏大白菜综合技术开发研究示范，在远郊区县大面积种植表现突出，效...
Chinese cabbage new varieties ─ ─ Beijing New Beijing Vegetable Research Center Chinese Cabbage Task Force after many years of bland selection and introduction of new Chinese cabbage new Beijing II. The variety from 1990 to 1993 to participate in Beijing late-blooming Chinese cabbage field trial, 1991 to 1993 to participate in the city’s integrated storage of Chinese cabbage technology development and research demonstration, large-scale cultivation in the outer suburbs counties outstanding performance ...