The sustainable improvement of maize productivity and smallholders’ incomes to contribute food security is the objective this study carried out over two consecutive years (2020 2021) at University Lomé Agronomic Experiment Station. experiment was set up in a split-plot design, composed sixteen (16) treatments three (03) replicates each. Four varieties: Ikenné (V1) Tzee (V2), Sotubaka (V3) Samma...