Table 1: The main effect of plant spacing and NP fertilizers rates on phenology and growth of Bombay Red onion variety grown at Shewa Robit.
| Spacing (cm) |
Days to 50% Flowering |
Days to Maturity |
Plant Height (cm) |
Flower Stalk Diameter (cm) |
Number of Umbel Per Plot |
| 10 x 20 x 40 |
72.07bc |
134.9ab |
87.13a |
1.449bc |
1562a |
| 20 x 30 x 50 |
72.53b |
134.5abc |
77.18c |
1.549a |
505c |
| 10 x 40 |
73.53a |
135.2a |
79.31bc |
1.421c |
1213b |
| 10 x 50 |
71.53c |
133.9bc |
86.31ab |
1.497ab |
1050b |
| 10 x 30 |
72.33bc |
133.5c |
85.49ab |
1.308d |
1472a |
| LSD 5% |
0.914 |
0.947 |
11.8 |
0.0742 |
170.6 |
| Fertilizer rate (P2O5 and N kg ha-1) |
| 0 x 0 |
73.00a |
135.07a |
76.01b |
1.334c |
1118a |
| 86.25 x 85.5 |
72.33a |
134.53a |
82.59ab |
1.435b |
1189a |
| 115 x 114 |
71.87a |
133.80a |
87.65a |
1.559a |
1218a |
| 143.6 x 142.5 |
72.07a |
133.93a |
84.63a |
1.439b |
1153a |
| 69 x 142 |
72.73a |
134.67a |
84.53a |
1.457b |
1122a |
| LSD 5% |
Ns |
ns |
7.17 |
0.0742 |
ns |
| CV (%) |
1.7 |
1.0 |
11.8 |
7.0 |
20.0 |
LSD (5%) = Least Significant Difference at P=0.05, CV (%) = Coefficient of Variation ns= non-significant. Means in columns with the same letter(s) in each treatment are not significantly different.