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利用育成的春、夏、早秋、秋大白菜品系，研究了配套栽培技术，确定了不同季节大白菜的栽培技术要点，配合秋大白菜冬季贮存，已基本实现了我国大白菜的多茬栽培、周年供应。由山东莱州市农科院蔬菜种苗研究所实施的大白菜新品种选育及周年供应技术研究项目最近获得山东省科技?
Using the cultivated spring, summer, early autumn and autumn Chinese cabbage lines, the cultivation techniques were studied and the key points of cabbage cultivation in different seasons were determined. With the storage of autumn Chinese cabbage in winter, the cultivation of Chinese cabbage was basically achieved. Anniversary supply. Shandong Laizhou Academy of Agricultural Sciences vegetable seedlings Institute of Chinese cabbage new varieties of breeding and annual supply technology research project recently won the Shandong Science and Technology?