论文部分内容阅读
第一完成单位：全国农业技术推广服务中心 （北京市朝阳区麦子店街２０号楼，邮编１０００２６）本项目于１９９６年立项实施，取得了丰硕的技术成果和显著的经济、社会效益，整体技术水平在同类研究中具国际先进水平。一是研究提出了冬小麦／春玉米／夏玉米间套多熟种植复合群
The first completed unit: National Agricultural Technology Extension Service Center (20 Maizidian Street, Chaoyang District, Beijing, Zip code 100026) The project was implemented in 1996, has achieved fruitful technological achievements and significant economic and social benefits, the overall technology Level in the same kind of research with the international advanced level. First, the study proposed a winter wheat / spring corn / summer maize intercropping multi-plant complex