Igbadun, HE, and BA Salim. “Field-Based Crop Coefficients (Ke) for a Maize Crop under Deficit Irrigation Scheduling”. Nigerian Journal of Technological Development 8, no. 2 (June 1, 2015): 74–91. Accessed October 14, 2026. https://www.ajol.info/index.php/njtd/article/view/117745.