1. Zingore, S., Mutegi, J., Agesa, B., Desta, L. T. & Kihara, J. Soil degradation in sub-Saharan Africa and crop production options for soil rehabilitation. Better Crops 99, 24–26 (2015).
2. Food and Agriculture Organisation (FAO) and Intergovernmental Technical Panel on Soils (ITPS). Regional Assessment Of Soil Changes In Africa South Of The Sahara. Main Report. (FAO & ITPS, 2015).
3. Food and Agricultural Organization (FAO). The Future Of Food And Agriculture - Trends And Challenges. (FAO, 2017).
4. Lal, R. Restoring soil quality to mitigate soil degradation. Sustainability 7, 5875–5895 (2015).
5. Lal, R. Enhancing crop yields in the developing countries through the restoration of the soil organic carbon pool in agricultural lands. Land Degrad. Dev. 17, 197–209 (2006).