文化大革命以前,我区曾试种过糖料甜菜,由于不适应两熟栽培等多种原因,只试种了一年。文化大革命以来,我区耕作制度大改革,两熟改三熟,出现了多种形式的三熟制。“两粮一菜”制,就是一九七五年试种秋甜菜时出现的新三熟制。推广“两粮一 Before the Cultural Revolution, our region had tried to cultivate sugar beets, because it does not adapt to two reasons for cultivation and other reasons, only a year of trial. Since the Cultural Revolution, the reform of farming system in our district has been greatly reformed. Two crops have been changed to three crops and three forms have emerged. The “Two Food, One Dish” system is the new three-cropping system that emerged in the trial of Autumn Beet in 1975. Promote "two grain one