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优质油菜就是单低油菜和双低油菜的统称。我国从1985年开始大面积示范,种植面积逐年增加,到1987年,全国优质油菜收获面积达到200多万亩,预计平均单产97公斤,总产20多万吨,创历史最高纪录。推广面积较多的有河南省(65万亩)、安徽省(55万亩)、湖北省(35万亩),江苏、陕西、云南各省均越过10万亩。几年来,优质油菜的示范推广不仅是品种的更新,而且还促进了栽培技术的进步,测试手段的提高以及加工和综合利用的发展,显示出优质油菜在我国有广泛的发展前景,具体表现在以下几方面:
High-quality rapeseed is a single low-rape and double-low rape collectively. Since 1985, China started a large-scale demonstration of its planting area increasing year by year. By 1987, the harvest area of high-quality oilseed rape in the country reached over 200 million mu and the average yield was estimated to be 97 kg with a total output of more than 200,000 tons, setting the highest record in history. More popularized areas are Henan Province (650000 acres), Anhui Province (550000 acres), Hubei Province (350000 acres), Jiangsu, Shaanxi, Yunnan provinces across more than 100000 acres. In recent years, the demonstration promotion of high-quality rape is not only the update of varieties, but also promoted the progress of cultivation techniques, the improvement of testing methods and the development of processing and comprehensive utilization. It shows that the quality rape has a wide range of development prospects in our country, The following aspects: