This review seeks to assess the usefulness of innovation systems approaches in the context of the Integrated Agricultural Research for Development (IAR4D) in guiding research agendas, generating knowledge and use in improving food security and nutrition, reducing poverty and generating cash incomes for resource-poor farmers. The report draws on a range of case studies across sub-Saharan Africa to compare and contrast the reasons for success from which lessons can be learned.
Humidtropics adopts an integrated systems perspective. Instead of tar-geting one single pre-selected commodity and trying to boost its produc-tivity at farm level, Humidtropics focuses on stimulating productivity, nat-ural resource management (NRM) and institutional innovations across different levels in order to achieve more sustainable impacts. It consid-ers all farm enterprises and their interactions, as well as nutrition, social differentiation (e.g.