河南省商丘市地处豫东平原,是全国重要的小麦和棉花生产基地。在棉花生产上,长期以来我市棉农多采用三一式麦棉套种模式,改变了传统的1年1熟制棉花种植方式,促进了粮棉均衡增产。但是,由于近年来农民进城务工收入的增加和植棉效益的降低,大批棉农弃棉进城务工,致使棉花面积大幅 Shangqiu City, Henan Province is located in the eastern Henan Plain, is the country’s major wheat and cotton production base. In cotton production, cotton growers in our city have long adopted the triple-cropped wheat-cotton intercropping system, which has changed the traditional mode of planting cotton in one year and promoted the balanced production of grain and cotton. However, due to the increase of migrant workers’ income from migrant workers in cities in recent years and the reduction in the efficiency of cotton planting, a large number of cotton farmers migrate cotton to work in cities, resulting in a large area of ​​cotton