How can Africa grow more food?

How can Africa grow more food? | Global development | guardian.co.uk: "African agriculture has become the focus of extraordinary attention and interest. Yesterday a big report was launched by the Harvard academic Calestous Juma with the backing of several African presidents, and next week Chatham House in London is hosting a major conference on food security where the International Fund for Agriculture and Development (Ifad) is launching a new report on rural poverty."