?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+A&rft.au=Zambre%2C+M+A&rft.aulast=Zambre&rft.atitle=Growth+and+yield+responses+of+wheat+cultivars+to+inoculation+with+N2-fixing+bacteria+under+field+conditions&rft.title=International+Journal+of+Tropical+Agriculture&rft.issn=0254-8755&rft.date=1990&rft.volume=8&rft.pages=109-116&rft.issue=2&rft.genre=article