Research Article

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)NPPNSPPAGB (t ha−1)
Potassium (kg K2O ha−1)Potassium (kg K2O ha−1)Potassium (kg K2O ha−1)
030600306003060

003.85 i8.80 gh6.55 h2.73 ef3.07 c–f2.80 def2.38 k5.37 hi5.63 ghi
467.00 gh14.49 a–d14.26 a–d3.58 a–d2.83 def3.58 a–d5.08 i7.48 cde7.58 cd
928.39 gh15.78 ab6.88 gh3.07 c–f3.58 a–d3.00 def5.08 i6.06 fgh6.56 efg
2306.80 h12.79 cde12.29 de2.63 f3.31 b–f3.48 a–e5.75 ghi7.91 cd8.42 c
468.80 gh12.35 de13.94 bcd3.01 c–f3.17 b–f3.62 a–d7.73 cd10.29 b10.94 ab
929.30 fg13.26 cde15.09 abc3.07 c–f3.62 a–d3.87 abc7.79 cd10.63 b11.80 a
4607.22 gh12.29 de11.29 ef2.63 f3.31 b–f3.58 a–d3.86 j6.00 ghi6.19 fgh
466.55 h14.49 a–d12.35 de2.92 def3.90 abc3.62 a–d7.00 def10.14 b10.28 b
9212.29 de14.67 a–d16.71 a3.31 b–f4.17 a3.98 ab7.39 de10.25 b10.28 b

LSD (5%)0.420.140.48
Year
201911.01 a3.44 a7.81 a
202011.09 a3.19 b7.29 b
LSD (5%)NS0.120.13
CV9.7211.135.56

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.