I.D, E., O.Edem, S. and J Ijah, C. 2018. Relationship of Landscape Positions with Soil Properties on Maize Yield in Ultisol. American Journal of Agricultural Science, Engineering, and Technology. 2, 1 (Jul. 2018), 21–40. DOI:https://doi.org/10.54536/ajaset.v2i1.29.