?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M&rft.au=Sangar%C3%A9%2C+M&rft.aulast=Sangar%C3%A9&rft.atitle=Influence+of+dry+season+supplementation+for+cattle+on+soil+fertility+and+millet+(Pennisetum+glaucum+L.)+yield+in+a+mixed+crop%2Flivestock+production+system+of+the+Sahel&rft.title=Nutrient+Cycling+in+Agroecosystems&rft.issn=1573-0867&rft.date=2002&rft.volume=62&rft.pages=209-217&rft.issue=3&rft.genre=article