Effect of NPS and Zinc Fertilizer Rates on Growth and Yield of Onion (Allium cepa L.) at Shewa Robit, North Shewa, Ethiopia
Table 4
The interaction effect of NPS and Zn fertilizers on marketable, unmarketable, and total bulb yield of onion.
NPS (kg/ha)
ZnSO4 (%)
MBY (t/ha)
UMBY (t/ha)
TBY (t/ha)
0
0
23.26f
1.63a
24.90e
0.25
25.91d–f
1.41a–c
27.32c–e
0.5
25.56d–f
1.30a–c
26.86c–e
0.75
24.41ef
1.13c
25.50de
121
0
24.55d–f
1.30a–c
25.85c–e
0.25
26.30d–f
1.41a–c
27.72c–e
0.5
25.23d–f
1.41a–c
26.65c–e
0.75
27.39de
1.26a–c
28.65b–d
242
0
28.11cd
1.15bc
29.10b–d
0.25
27.95c–e
1.38a–c
29.34bc
0.5
31.04bc
0.61de
31.65ab
0.75
34.87a
0.33e
35.04a
363
0
26.40d–f
1.60ab
27.62c–e
0.25
27.69de
1.60ab
29.29bc
0.5
31.62b
1.41a–c
33.04a
0.75
33.99ab
0.98cd
34.97a
Significance level
CV%
6.68
12.15
6.59
Significant at probability level of ; CV = coefficient of variation; MBY = marketable bulb yield; UMBY = unmarketable bulb yield; TBY = total bulb yield; means followed by the same letter(s) are not significantly different.