?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+L&rft.au=Sahrawat%2C+K+L&rft.aulast=Sahrawat&rft.atitle=Macro%E2%80%90and+micronutrients+removed+by+upland+and+lowland+rice+cultivars+in+West+Africa&rft.title=Communications+in+Soil+Science+and+Plant+Analysis&rft.issn=0010-3624&rft.date=2000&rft.volume=31&rft.pages=717-723&rft.issue=5%266&rft.genre=article