Carson, J.A.Harapiak, J.T.Hennig, A.M.F.Janke, W.E.Nyborg, M.Penney, D.C.Walker, D.R.2018-10-052018-10-051974-02-06http://hdl.handle.net/10388/11303enAttribution-NonCommercial-NoDerivs 2.5 CanadaUse of soil testing to predict nitrogen fertilizer needs of barley and rapeseed in AlbertaPresentation