崇明是上海市大白菜生产基地,历年种植3.5万亩左右,每年于元旦、春节供应市区大白菜百万担以上。1988年7月,我们接受市科委下达的1000亩优质高产大白菜研究课题,监随即开展了试验研究,通过努力基本上完成了课题设计任务规定的第一年的预期目标,大白菜亩产达到43担,比原有亩产32担,增加11担,按示范区1018亩算,增产 Chongming is the production base of Chinese cabbage in Shanghai. It has about 35,000 mu of cultivated rice in the past years. It supplies more than 1 million Chinese cabbage in urban areas every year on New Year’s Day and Spring Festival. In July 1988, we accepted 1,000 mu of high-quality and high-yield cabbage research project issued by the Municipal Science and Technology Commission, and immediately conducted a pilot study. Through hard work, we basically completed the first year’s expected target of the subject design task. Reached 43, more than the original 32 Tam per mu, an increase of 11 Tam, according to the demonstration area of ​​1018 mu count, increase production