PhD Thesis S/N NAME TITLE SUPERVISOR YEAR 1 NDUWAYEZU JEAN BAPTISTE Senna singueana: Yield, decomposition and nitrogen mineralization Prof. L.L.L. LULANDALA 2001 2 NDUWAYEZU JEAN BAPTISTE Senna singueana: Yield, decomposition and nitrogen mineralization Prof. S.A.O. CHAMSHAMA 2001 3 ALMAZ TEKLEBERHAN Grown and root prunning of four year old boundary […]