?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=C+F&rft.au=Yamoah%2C+C+F&rft.aulast=Yamoah&rft.atitle=Trend+and+stability+analyses+of+millet+yields+treated+with+fertilizer+and+crop+residues+in+the+Sahel&rft.title=Field+Crops+Research&rft.date=2002&rft.volume=75&rft.pages=53-62&rft.issue=1&rft.genre=article