| Data | Regions | ||||||
| Thies | Diourbel | Fatick | Kaolack | Kaffrine | Tambacounda | Kolda | |
| Climate | Sahelo-Soudanian with an annual rainfall between 300 and 600 mm | Sahelo-Soudanian with an annual rainfall between 300 and 600 mm | Sahelo-Soudanian with an annual rainfall between 600 and 1000 mm | Soudanian with an annual rainfall between 600 and 1000 mm | Soudanian with an annual rainfall between 600 and 1000 mm | Soudanian with an annual rainfall between 600 and 1200 mm | Soudano-Guinean with annual rainfall between 1000 and 1200 mm |
| Soil type | Cambisols Arenosols Gleysols | Cambisols Arenosols | Cambisols | Arenosols Lixisols Regosols Solonchacks | Arenosols Lixisols Regosols Gleysols | Regosols Gleysols Acrisols | Acrisols Gleysols |