In sub-Saharan Africa, an estimated 750 million hectares of land are affected by soil degradation, constituting an area 20 times the size of Germany. This affects about 180 million people, or roughly the combined populations of France, Germany, and Poland.

Full citation: Baba, Check Abdel Kader; Patt, Nicolas. (2019). Reaching farmers beyond project beneficiaries - The Tem Sesiabun Gorado model for improving farmer-to-farmer extension approaches. TMG Research gGmbH. https://doi.org/10.35435/2.2019.2