Figure 1.Vertisol distribution map of the world [2]

From

Nature and Genesis of Vertisols and North Cameroon Management Experience: A Review

P. Azinwi Tamfuh, E. Temgoua, V.L. Onana, P. Wotchoko, F.O. Tabi, D. Bitom

Journal of Geosciences and Geomatics. 2018, 6(3), 124-137 doi:10.12691/jgg-6-3-3