Solid Earth, Vol 7, Iss 1, Pp 93-103 (2016) Sonneveld, B G J S, Keyzer, M A & Ndiaye, D 2016, ' Quantifying the impact of land degradation on crop production: the case of Senegal ', Solid Earth. An interactive open-access journal of the European Geosciences Union, vol. 7, pp. 93-103 . https://doi.org/10.5194/se-7-93-2016 Solid Earth. An interactive open-access journal of the European Geosciences Union, 7, 93-103