Abstract: Plant height was significantly affected by the variable rates of N and T5 (150-120-60) treatment produced the tallest plants than other treatments. The number of cobs plant 1 was significantly different from treatment T5 (150-120-60). The average grain weight (1000-grain weight) was maximum in T4 treatment which was at par with treatments T3 and T5. Grain yield of maize was significantly enhanced by T4 treatment than other treatment except for T5 treatment where it was statistically at par overall, average grain yield of 12.6 t ha 1 was obtained under the conditions of this experiment.