北方长日型圆葱品种北海道“空知黄”为中国科学院黑龙江农业现代化研究所青年科技人员崔成日,1990年9月由日本北海道圆葱主产区研修而归时引入。1991～1992年由哈尔滨市科委《长日型圆葱引种栽培研究》攻关资助 Northern long-day onion varieties Hokkaido “empty know yellow ” for the Chinese Academy of Sciences Heilongjiang Agricultural Modernization Institute of young scientists Cui Chengri, September 1990 by Japan Hokkaido onion major producing areas and the introduction of repatriation. From 1991 to 1992 by the Harbin Municipal Science and Technology Commission “on the Japanese-type onion cultivation” research funding