Effect of intercropping carrots and onions on damage caused by the carrot fly, Psila rosae (F:) (Dipt., Psilidae) - Varis, Anna-Liisa (Suomen maataloustieteellinen seura, 1991)
Keywords: Pu; porkkana; Daucus carota; sipuli; vihannekset; sekaviljely; intercropping; Psila rosae; carrots; onions