非传统麦田套种玉米高产耕作技术经过 7年研究 ,己于 1998年 12月通过国家科技部、国家石油化工局组织的专家鉴定 ,达到国际先进水平。该项目通过 5年的生产实践 ,已经成熟 ,除在黄淮海地区建立一年两茬机械化套种模式 ,达到提高品质、增产增收的效果外 ,其核心技术--控制作物 Non-traditional wheat field intercropping corn high-yielding farming technology after 7 years of research, in December 1998 by the National Ministry of Science and the National Petrochemical Bureau experts identified the organization, reached the international advanced level. After 5 years of production practice, the project has matured. Apart from establishing a two-crop mechanized interforestation pattern in the Huang-Huai-Hai region to achieve the effect of improving quality, increasing yield and increasing income, the core technology of the project, that of controlling crops