In this article, the proceeding of research regarding biological nitrogen fixation (BNF) in intercropping system during the past decades was reviewed, and the role of BNF and its transfer in the intercropping system was discussed as well.

• 本文对该领域近年来的研究进展作一综述 ,同时分析豆科 / /禾本科间作系统中生物固氮的作用及其转移途径和机制。