?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F&rft.au=Mapanda%2C+F&rft.aulast=Mapanda&rft.atitle=Effects+of+organic+and+mineral+fertilizer+nitrogen+on+greenhouse+gas+emissions+and+plant-captured+carbon+under+maize+cropping+in+Zimbabwe+&rft.title=Plant+and+Soil&rft.date=2011&rft.volume=343&rft.pages=67-81&rft.genre=article