Uzoma, A.O. 2019. Urease Enzyme Activity in Surface Soils under Various Land use Types in Minna, Southern Guinea Savanna: Urease Enzyme Activity in Surface Soils under Various Land use Types in Minna, Southern Guinea Savanna. B.R. Nahata Smriti Sansthan Agricultural Extension Journal (AEXTJ). 3, 2 (Jun. 2019). DOI:https://doi.org/10.22377/aextj.v3i2.146.