Table 3: Effect of N and P on neck thickness, split bulb, bulb length, bulb diameter, and mean bulb weight of onion.

Nitrogen
(kg ha-1)		 Neck thickness (cm) Split bulbs
(%)		 Bulb diameter
(cm)		 Bulb length
(cm)		 Average bulb weight(g)
0 1.02 1.88(1.37) 4.52c 6.09b 105.84c
34.5 1.09 2.02(1.42) 4.93b 6.24b 109.10bc
69 1.16 2.07(1.44) 5.45a 6.58a 114.93a
103.5 1.16 2.25(1.50) 5.45a 6.84a 120.00ab
138 1.12 2.46(1.57) 5.67a 6.82a 119.78a
LSD 0.143 0.018 0.237 0.256 8.323
F-test NS NS *** *** ***
P2O5(kg ha-1)
0 1.12 1.93 (1.39) 4.75c 6.58 113.38
46 1.09 2.04 (1.43) 5.11b 6.51 114.86
92 1.11 2.16 (1.47) 5.32b 6.41 111.87
138 1.10 2.37 (1.54) 5.64a 6.56 115.60
F-test NS NS *** NS NS
LSD 0.128 0.016 0.212 0.229 7.444
CV(%) 22.7 22 8.01 6.7 12.8

Means with the same letter within a column are statistically non-significant at P ≤ 0.05 according to Fisher’s LSD; NS=non-significant, the numbers in parenthesis are square root-transformed.