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Colluvium
![](https://assets.agrovoc.fao.org/public/styles/full/public/2022-07/25919881964_5efac1890f_o.jpg?itok=pqBQBTn1)
FAO/Salvator Ndabirorere
Soil erosion is a global phenomenon that is exacerbated by intensive agriculture and reinforce the small-scale soil heterogeneity. While reduced soil fertility and yield losses are the consequences on eroded areas, a nutrient-rich colluvium is often found in the accumulation areas.