?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G&rft.au=Laberge%2C+G&rft.aulast=Laberge&rft.atitle=Cowpea+N+rhizodeposition+and+its+below-ground+transfer+to+a+co-existing+and+to+a+subsequent+millet+crop+on+a+sandy+soil+of+the+Sudano-Sahelian+eco-zone&rft.title=Plant+and+Soil&rft.issn=0032-079X&rft.date=2011&rft.volume=340&rft.pages=369-382&rft.issue=1-2&rft.genre=article