Table 2: Effect of N and P on bolting, days to physiological maturity and growth parameter of on.

N (kg ha-1) Bolting
(%)		 DPM Plant height
(cm)		 Leaf number per plant Leaf length
(cm)		 Leaf Diameter
(cm)		 LAI
0 2.50a 99.92d 49.03d 8.00d 45.75d 0.97c 2.77c
34.5 2.41a 100.46c 61.82c 9.33c 49.07c 1.06c 3.23c
69 2.39ab 101.67c 64.03bc 9.92c 50.52abc 1.23b 3.93b
103.5 2.36b 102.92b 68.01a 10.62b 52.13ab 1.27ab 3.99ab
138 2.30b 104.29a 66.37ab 12.33a 53.81a 1.35a 4.39a
LSD 0.123 1.233 3.021 0.605 2.453 0.107 0.456
F-test * *** *** *** *** *** ***
P2O5(kg ha-1)
0 2.37 101.73 60.23 9.30c 48.61b 1.16 3.48
46 2.39 101.17 62.59 9.93b 50.57ab 1.15 3.59
92 2.40 102.03 61.87 10.27ab 50.08ab 1.18 3.71
138 2.40 102.21 62.71 10.67a 51.77a 1.23 3.86
LSD 0.110 1.103 2.702 0.541 2.194 0.096 0.408
F-test NS NS NS *** * NS NS
CV (%) 9.0 2.1 8.50 10.5 8.4 16.0 21.0

Means with the same letter within a column are statistically non-significant at P ≤ 0.05 according to Fishers’ LSD, NS=non-significant, DPM=Days to physiological maturity, LAI=Leaf area index