N-levels (kg ha-1) Plant density (plants ha-1) Mean 65000 80000 95000 0 16.5 16.6 17.1 16.7b 120 16.3 16.5 17.6 16.8b 150 17.8 16.9 16.5 17.0ab 180 19.4 17.2 17.9 18.2a 210 18.4 16.7 16.6 17.2ab Mean 17.7a 16.8b 17.1ab

LSD(0.05)for Nitrogen=0.8637; LSD(0.05) for Plant density=0.6690. Means of the same category followed by different letters are significantly different at 0.05 level of probability using LSD test.

Table 9: Ear length (cm) of maize as affected by nitrogen and plant population.