The first part of this report gives an overview of the state of agriculture and food and nutrition
security (FNS) challenges for Africa in general and in particular for sub saharan Africa (SSA).
Further, the report briefly assessed the general performance of the four dimensions of FNS in
SSA. It also outlines the policy responses and programmes by the African governments towards
achieving FNS. This was followed by describing the concept of various forms of sustainable
intensification systems including the sustainable agriculture intensification systems (SAIs),
agriculture extension and advisory services (EASs) and innovative institutional approaches
(IIAs). In general, Part I of this report reviews the various agriculture technologies, extension
and institutions approaches implemented and promoted in the past and present in Africa and
other relevant regions of the world. A detailed descriptions is provided in the second part of
this report by six case study countries of the InnovAfrica project.