Effect of Mineral Nitrogen, Phosphorus, and Potassium Fertilizers on the Productivity of Faba Bean (Vicia faba L.) in Acidic Soils of Wolaita Zone, Southern Ethiopia
Table 6
Interaction of mineral nitrogen, phosphorus, and potassium fertilizers and the main effects of the growing year on the yield components and yield of faba bean.
Nitrogen (kg N ha−1)
Phosphorus (kg P2O5 ha−1)
NPP
NSPP
AGB (t ha−1)
Potassium (kg K2O ha−1)
Potassium (kg K2O ha−1)
Potassium (kg K2O ha−1)
0
30
60
0
30
60
0
30
60
0
0
3.85 i
8.80 gh
6.55 h
2.73 ef
3.07 c–f
2.80 def
2.38 k
5.37 hi
5.63 ghi
46
7.00 gh
14.49 a–d
14.26 a–d
3.58 a–d
2.83 def
3.58 a–d
5.08 i
7.48 cde
7.58 cd
92
8.39 gh
15.78 ab
6.88 gh
3.07 c–f
3.58 a–d
3.00 def
5.08 i
6.06 fgh
6.56 efg
23
0
6.80 h
12.79 cde
12.29 de
2.63 f
3.31 b–f
3.48 a–e
5.75 ghi
7.91 cd
8.42 c
46
8.80 gh
12.35 de
13.94 bcd
3.01 c–f
3.17 b–f
3.62 a–d
7.73 cd
10.29 b
10.94 ab
92
9.30 fg
13.26 cde
15.09 abc
3.07 c–f
3.62 a–d
3.87 abc
7.79 cd
10.63 b
11.80 a
46
0
7.22 gh
12.29 de
11.29 ef
2.63 f
3.31 b–f
3.58 a–d
3.86 j
6.00 ghi
6.19 fgh
46
6.55 h
14.49 a–d
12.35 de
2.92 def
3.90 abc
3.62 a–d
7.00 def
10.14 b
10.28 b
92
12.29 de
14.67 a–d
16.71 a
3.31 b–f
4.17 a
3.98 ab
7.39 de
10.25 b
10.28 b
LSD (5%)
0.42
0.14
0.48
Year
2019
11.01 a
3.44 a
7.81 a
2020
11.09 a
3.19 b
7.29 b
LSD (5%)
NS
0.12
0.13
CV
9.72
11.13
5.56
Note: means in columns and rows followed by the same letter are not significantly different at = 0.05 according to Fisher’s protected LSD test. NPP, number of pods per plant; NSPP, number of seeds per plant; and AGB, aboveground biomass.