ABSTACT This experiment was carried out at Bunda College Crops and soil Science Students’ Research Farm in the 2010/2011 cropping season with the objective to assess genotype improvement in terms of productivity and protein content in different soy bean genotypes. There were 12 inbred lines i.e., UG-5, TG X 1937-1F, TG X 1954-1F, TG X 1485-1D, TG X 1019-2EB, TG X 1830-20E, TG X1885-10E, TG X 1440-1E, TG X 1904-6F, TG X-1908-8F, TG X 1019-13F, TG X1019-14F and 4 cultivars i.e. Magoye, Naso...