随着科学技术的发展,种植制度的改革,一熟棉田面积逐年减少,棉花绿豆间作面积越来越大。1982～1984年棉花绿豆间作面积为3.65万亩,亩产绿豆19.3公斤;1986年间作绿豆面积为5万亩,亩产绿豆18.7公斤;1987年间作绿豆7万亩,亩产绿豆18.8 With the development of science and technology and the reform of cropping system, the area of ​​one-cropped cotton fields has been reduced year by year. The area of ​​cotton mung beans intercropping is getting larger and larger. Between 1982 and 1984 cotton mung bean intercropping area of ​​3.65 hectares, 19.3 kilograms of mung beans per acre; 1986 Mung bean area of ​​50000 mu, mung bean 18.7 kilograms; 1987 Mung bean 70000 mus, mung bean 18.8