?url_ver=Z39.88-2004&rft_id=10.1016%2FS1573-5214(00)80015-9&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N&rft.au=van+Duivenbooden%2C+N&rft.aulast=van+Duivenbooden&rft.atitle=Cropping+systems+and+crop+complementarity+in+dryland+agriculture+to+increase+soil+water+use+efficiency%3A+a+review&rft.title=NJAS+-+Wageningen+Journal+of+Life+Sciences&rft.issn=15735214&rft.date=2000&rft.volume=48&rft.pages=213-236&rft.issue=3&rft.genre=article