Yield responses in cassava - maize intercropping across diverse environments in Southern Nigeria - Kreye, C.; Chigemezu, C.; Shola, E.; Bolaji, T.; Enesi, R.; Hauser, S.; Jalloh, A.; Olojede, A.; Onasanya, O.; Onyekwere, I.; Pypers, Pieter; Salako, S.; et al. (Tropentag, 2017)