甜菜是重要的经济作物,也是制糖工业的主要原料之一。随着世界农业生产和农业机械化水平的迅速提高,甜菜育种、栽培技术和机械化水平已达到相当高度。如优良品种的选育、推广,除莠剂的广泛应用,病虫害的防治,施肥灌溉技术的改进等等。而甜菜 Beet is an important cash crop and one of the main raw materials for the sugar industry. With the rapid increase of agricultural production and agricultural mechanization in the world, the level of beet breeding, cultivation techniques and mechanization has reached a quite high level. Such as breeding of elite varieties, promotion, the widespread use of herbicides, pest control, fertilizer irrigation technology improvements and so on. And beets