Agronomic Performance and Yield Stability of Sixteen Elite White Yam Genotypes (Dioscorea rotundata) Across Three Agro-ecologies in Nigeria - Lewis, Omolu; Chukwunalu, O Ossai; Alex, C Edemodu; Smart, Ojobor; Enujeke, Emmanuel (International Journal of Multidisciplinary Research and Growth Evaluation, 2026)