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近年来,麦棉两熟和油棉两熟在我国南北棉区迅速兴起。麦棉两熟和油棉两熟是在麦棉间套复种基础上发展起来的一种耕作制度。它比麦棉间作能更好地利用光、热资源和生长季节,从而获得更好的经济效益。这一耕作制度的兴起和发展,反映了我国棉农在科学种田上又前进了一步。笔者1987年曾先后赴河南、山东等省考察,发现小麦、夏棉两熟和油菜、棉花两熟很受当地棉农欢迎。其原因是:
In recent years, wheat and cotton two crops and oil-cotton two crops in China’s cotton growing rapidly. Two cotton fields and two cotton fields are a farming system developed on the basis of multiple cropping systems. It is better than wheat and cotton intercropping the use of light, heat resources and the growing season, so as to obtain better economic benefits. The rise and development of this farming system reflects that our cotton farmers have taken another step in scientific farming. I went to Henan, Shandong and other provinces in 1987 inspection, found that wheat, summer cotton and rape two crops, cotton two crops are very welcome by the cotton farmers. The reason is: