This report presents an analysis and review of the implementation and results of phase I of the SWITCH Africa Green programme in the sustainable agriculture sector. It covers the strategic interventions, results achieved, cross-cutting issues, challenges, the lessons learned, and a set of recommendations. The economies of most of the Sub-Saharan Africa (SSA) countries rest primarily on agriculture. The sector accounted for about 55 per cent of total employment and 15 per cent of GDP in 2018. While measures have been put in place to transform agriculture, SSA still lags the rest of the world in agricultural productivity and cereal yields. Among the key challenges include overdependence on rain-fed agriculture in the face of climate change and variability, high food insecurity, high cost of agricultural inputs, and land degradation.