向日葵是重要的油料作物之一,在世界油料作物播种面积中,仅次于大豆,占第二位。油质优良,色、味稳定性较好,特别是对人体很有价值的亚油酸含量高于花生、大豆、棉籽油等,因此日益受到人们的重视。近几年来,沧州地区向日葵生产有了一定的发展,但普遍存在空壳率较高的问题,并且在不同年份或不同栽培管理条件下,空壳 Sunflower is one of the important oilseeds, second only to soybean in the sown area of ​​the world’s oilseed crops, accounting for the second place. Excellent oil quality, color, taste better stability, especially for human body is very valuable linoleic acid content higher than peanuts, soybeans, cottonseed oil, so more and more people’s attention. In recent years, Cangzhou sunflower production has some development, but the prevalence of the problem of higher shell percentage, and in different years or under different cultivation and management conditions, the shell