?url_ver=Z39.88-2004&rft_id=JA+1108&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Wani%2C+S+P&rft.aufirst=S+P&rft.aulast=Wani&rft.issn=1918-1841&rft.pages=67-74&rft.atitle=Increased+proportion+of+active+soil+N+in+Breton+loam+under+cropping+systems+with+forages+and+green+manures&rft.volume=74&rft.issue=1&rft.title=Canadian+Journal+of+Soil+Science&rft.date=1994&rft.genre=article