甘蔗是我国热带。亚热带地区重要的经济作物，近年来获得很大的发展，1997年全国甘蔗种植面积达100万公顷。但甘蔗种植业的机械化程度普遍偏低，种植、中耕管理及收获主要依赖手工操作，劳动力费用在生产成本中占了最大的比重。随着经济的发展，劳动力费用日渐升高，这对?.. Sugarcane is tropical in China. Substantial economic crops in the subtropical area have gained great development in recent years. In 1997, the planting area of ​​sugar cane in the country reached 1 million hectares. However, the mechanization of sugar cane farming is generally low. Planting, cultivation management and harvest mainly rely on manual operation, and labor costs account for the largest proportion of production costs. With the economic development, labor costs are on the rise, is this right?