@ARTICLE {KERMAH:2017a, title = {N2-fixation and N contribution by grain legumes under different soil fertility status and cropping systems in the Guinea savanna of northern Ghana}, author = {Kermah, M. and Franke, A. C. * and Adjei-Nsiah, S. and Ahiabor, B. D. * and Abaidoo, R. and Giller, K. }, journal = {Agriculture, Ecosystems and Environment}, year = {2017}, pages = {1--10}, issn = {0167-8809}, note = {WAHub; CRP Grain Legumes; Legumes; Available online 21 September 2017; In Press, Corrected Proof}, url = {https://doi.org/10.1016/j.agee.2017.08.028}, doi = {10.1016/j.agee.2017.08.028}, }