@article{004057245, title = "Biological nitrogen fixation and nitrogen export of groundnut intercropped with rice cultivated in aerobic soil and its effect on soil nitrogen fertility", author = "Chu GuiXin and Shen QiRong and Cao JinLiu and Mao ZeSheng and Zhong ZengTao and Zhao Long", year = "2003", journal = "Acta Pedologica Sinica", volume = "40", number = "5", pages = "717-723", url = "https://eurekamag.com/research/004/057/004057245.php" }