Galon, L. Agazzi, L.R. Nonemacher, F. Basso, F.J.M. Winter, F.L. Fiabane, R.C. Zabot, G.F. Perin, G.F. Competitive relative ability of barley cultivars in interaction with turnip Subjects--Topical Terms: HORDEUM VULGARERAPHANUS SATIVUSCOMPETIÇÃO DE VARIEDADE