Integrated soil fertility management: maximizing the fertilizer use efficiency towards sustainable intensification of smallholder agriculture in sub-Saharan Africa - Vanlauwe, Bernard; Ampadu-Boakye, T.; Chernet, M.; Coyne, D.; Nziguheba, G.; Pypers, P.; Asare, R.; Baijukya, F.; Bekunda, Mateete A.; Hauser, S.; Huising, J.E.; Kamara, A.; et al. (Agropolis International, 2021)