Sule, Sani Umar, Sulaiman Abdulhamid Umar, Abubakar Danlami, and Abubakar Ibrahim Mansur. 2025. “Comparative Assessment of Soil Fertility in Irrigated and Rainfed Farmlands Using Exchangeable Cations and Cation Exchange Capacity in Kura, Kano State”. UMYU Scientifica 4 (1):445-51. https://doi.org/10.56919/usci.2541.044.