S1 and S2 selection of Longe 4 maize variety for tolerance to low soil nitrogen in Uganda Author/Editor(s): Namugga, P.Edema, R.Asea, G.Gibson, P.Date of publication: 2010RUFORUM Conferences and Workshops Read more about S1 and S2 selection of Longe 4 maize variety for tolerance to low soil nitrogen in Uganda