In ratoon cultivation, the new crop is grown from the stubble of the old one and again takes a year to mature. In mixed cultivation, the cane is planted in paddy fields before the rice crop is harvested.
民國五十三年以後，由於經濟結構轉變，輸出物品由農產品改為工業產品，加上國人對糖的消耗量與日俱增，砂糖在外銷總值的比例上已開始降低。