Research Article

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)

0023.26f1.63a24.90e
0.2525.91d–f1.41a–c27.32c–e
0.525.56d–f1.30a–c26.86c–e
0.7524.41ef1.13c25.50de

121024.55d–f1.30a–c25.85c–e
0.2526.30d–f1.41a–c27.72c–e
0.525.23d–f1.41a–c26.65c–e
0.7527.39de1.26a–c28.65b–d

242028.11cd1.15bc29.10b–d
0.2527.95c–e1.38a–c29.34bc
0.531.04bc0.61de31.65ab
0.7534.87a0.33e35.04a

363026.40d–f1.60ab27.62c–e
0.2527.69de1.60ab29.29bc
0.531.62b1.41a–c33.04a
0.7533.99ab0.98cd34.97a

Significance level
CV%6.6812.156.59

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.