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 2

Soil physical and chemical properties at the study site in Sodo Zuria District, southern Ethiopia.

ParameterYearRatingReference
20192020

Sand (%)1519
Silt (%)4043
Clay (%)4538
Textural classSilty claySilty clay
pH (1:2.5 H2O)4.95.6Strong to moderately acidicMurphy [38]
CEC (cmol + kg−1)23.124.6ModerateHazelton and Murphy [39]
OC (%)2.72.9MediumHazelton and Murphy [39]
Total N (%)0.120.16ModerateBerhanu [40]
Available P (mg kg−1)5.946.12LowCottenie [41]
Exchangeable K (Cmol kg−1)0.40.4MediumBerhanu [40]

Note: CEC, cation exchange capacity; OC, organic carbon; total N, total nitrogen; and available P, available phosphorus.