| Descriptions | Sites | ||||
| Chambezi [42] [43] | Mtopwa [44] | Nachingwea [44] | Naliendele [44] | Segera [45] [46] | |
| Site location | Coastal belt of the Indian Ocean | Makonde plateau | Masasi-Nachingwea plains | Coastal belt of the Indian Ocean | Dry plains of Handeni district in Tanga region |
| Co-ordinates | 06˚55'S, 38˚91'E | 10˚41'S, 39˚23'E | 10˚20'S, 38˚46'E | 10˚22'S, 40˚10'E | 05˚31'S and 38˚54'E |
| Altitude | 46 m | 760 m | 465 m | 111 m | 290 m |
| Soil Type | Ferralic Cambisol | Veti-acric Ferrasols - Xanthic | Veti-acric Ferrasols - Rhodic | Veti-acric Ferrasols - Xanthic | Rhodic Ferrasols (Orthic, Xanthic) |
| Soil texture | Sandy soils | Deep, highly weathered, well drained sandy clay loam | Deep, highly weathered, red sandy clay loam | Deep, highly weathered, well drained sandy clay loam | Well drained, moderately deep or deep reddish and yellowish sandy clay loam to clay. Well-structured soil with low fertility |
| SoiI pH | 5.0 - 7.0 | 4.5 - 6.5 | 4.5 - 8.2 | 4.5 - 6.5 | 5.5 - 7.5 |