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This paper assesses the groundwater resource potential for dry-season vegetable irrigation in two areas of north-eastern Ghana. It uses multiple methods, including geophysical surveying, recharge estimation, and water quality analysis. Results indicate that groundwater abstractions for all purposes are small compared to recharge. The quality of groundwater in both study areas is suitable for irrigation, but a few wells had high nitrate levels for drinking water. There is a potential to expand dry-season irrigation with groundwater 14- to 18-fold in the study areas.
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Obuobie et al. (2013) studied this question.
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