Average number of tubers per plant was lower with triangular planting (5.30) than the regular planting that had average of 6.90 tubers per plant. There were no significant differences in average number of tubers per plant under the various fertilizer treatments (Table 6). Cassava tuber girth was significantly higher under triangular planting pattern (212 mm) than for regular planting pattern (143 mm). Fertilizers also had effects on tuber girth over the two years. Inorganic fertilizer application gave tubers 197 mm big while inorganic + organic fertilizer gave tubers 184 mm big. The smallest tubers of 155 mm