近几年来,浙江和福建“大麦—双季稻”发展最迅速,湖南也有所发展。生产实践和科研成果证明,“大麦—双季稻”三熟制在经济效益、生态效益和社会效益的综合效应比“绿肥—双季稻”、“油菜—双季稻”、“蚕豌豆—双季稻”等类型都较优越,已成为双季稻区进一步增加粮食产量,发展多和经营的总趋势,攀登新台阶的一条新途径。 In recent years, Zhejiang and Fujian “barley - double cropping rice” the fastest growing, Hunan has also developed. Production practices and scientific research have proved that the comprehensive effects of “three types of barley - double cropping rice” on economic benefits, ecological benefits and social benefits are better than those of “green manure - double cropping rice”, “rape - double cropping rice” Double cropping rice "and other types are superior and have become a new way to further increase the grain yield, development and management of the double cropping rice area and to climb to a new level.