info:oai:icrisat:11653info:ofi/fmt:xml:xsd:journalBjornlundVBjornlund, VBjornlundHBjornlund, Hvan RooyenA Fvan Rooyen, A FExploring the factors causing the poor performance of most irrigation schemes in post-independence sub-Saharan AfricaInternational Journal of Water Resources Development (TSI)0790-0627September 202036S54-S10151article