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按照《北京市主要农作物品种退出管理办法》的规定,曾作为北京“当家菜”的9个大白菜品种将退出生产。这个办法规定的内容包括:在使用过程中发现有不可克服的缺点,存在生产安全隐患或给农业生产造
In accordance with the provisions of the Administrative Measures for the Withdrawal of Major Crop Varieties in Beijing, 9 Chinese cabbage varieties once serving as Beijing’s “Home-made Cuisine” will be withdrawn from production. The provisions of this approach include: the use of the process found that insurmountable shortcomings exist in the production of security risks or to agricultural production