1994年以来，在湖北天门市、监利县和武汉市汉南区等地探索发展棉田间套种植大白菜，获得棉菜双丰收，大白菜上市时正植叶菜类淡季，效益良好，和单种棉花相比，每667m2可增加收入1000元左右，适于市郊棉菜套种和交通便利地区推广应用，现将其栽培技术介绍如下。①选用适宜的品 Since 1994, we have explored and developed Chinese cabbages for planting cabbages in Tianmen of Hubei Province, Jianli County and Hannan District of Wuhan City, obtaining double bumper harvests of cotton plants. We are planting leafy vegetables at the off-season when Chinese cabbage goes on the market, and the benefits are good. Compared to cotton, each 667m2 can increase the income of about 1,000 yuan, suitable for the southern suburbs of cotton intercropping and transport facilitation applications, now its cultivation techniques are described below. ① select the appropriate product