The diversity of bacterial endophytes was investigated in D.officinale from 3different sources in China.The nested-P......

中国北方大豆连作问题日益突出并受到广泛关注,为了将AM真菌应用于连作土壤,缓解大豆连作障碍。本试验采用Nested-PCR-DGGE技术分......