?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Schrum%2C+H.+W.&rft.aulast=Schrum&rft.aufirst=H.+W.&rft.date=2008&rft.title=Organic+Methods+for+Control+of+Root+Rot+in+Pea+and+Spinach+in+Northeastern+U.S.&rft.genre=proceeding