Ida, S.M. et al. 2026. Effect of Row Arrangement, Stand Density, and Phosphorus Fertilizer on Yield and Yield Components of Cowpea (Vigna unguiculata L. walp) in Sudan Savannah, Nigeria. UMYU Scientifica. 5, 2 (May 2026), 1–14. DOI:https://doi.org/10.56919/usci.2652.001.