Introduction: Identifying the barriers and pathways forward for expanding the use of groundwater for irrigation in Sub-Saharan Africa 1. Groundwater irrigation for smallholders in Sub-Saharan Africa ? a synthesis of current knowledge to guide sustainable outcomes 2. Smallholder groundwater irrigation in Sub-Saharan Africa: country-level estimates of development potential 3. Understanding smallholder irrigation in Sub-Saharan Africa: results of a sample survey from nine countries 4. Do policy and institutional factors explain the low levels of smallholder groundwater use in Sub-Saharan Africa? 5. Small pumps and poor farmers in Sub-Saharan Africa: an assessment of current extent of use and poverty outreach 6. Small pumps and the poor: a field survey in the Upper East Region of Ghana 7. Improving the supply chain of motor pumps to accelerate mechanized small-scale private irrigation in Zambia 8. Gender aspects of smallholder private groundwater irrigation in Ghana and Zambia 9. Integrated assessment of hydrogeology and water quality for groundwater-based irrigation development in the Raya Valley, northern Ethiopia 10. Cost-benefit analysis and ideas for cost sharing of groundwater irrigation: evidence from north-eastern Ethiopia 11. Predicting groundwater recharge in Ghana by estimating evapotranspiration
12. Groundwater potential for dry-season irrigation in north-eastern Ghana 13. Constraints and opportunities for groundwater irrigation arising from hydrologic shifts in the Iullemmeden Basin, south-western Niger