?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Lindhard+Pedersen%2C+H.&rft.aulast=Lindhard+Pedersen&rft.aufirst=H.&rft.date=2007&rft.title=Effect+of+Rapid+or+slow+release+nitrogen+supply+and+cover+crop%2Fweed+management+on+crop+yield%2C+pest+incidence+and+fruit+quality+in+intensive+organic+apple+production&rft.genre=proceeding