Asafu-Adjei, J.N. “Appropriate Technology for Relay Intercropping: Cowpea Interplanted As Relay into Maize ”. Journal of Science and Technology 18, no. 2 (February 4, 2016). Accessed July 16, 2024. https://webapps.knust.edu.gh/just/index.php?journal=just&page=article&op=view&path[]=867.