Parameter | Rwanda | Panama | Zambia | Tanzania | Suriname | Nepal | Sri Lanka | S. Sudan |
Dominant types | Inceptisols, Oxisol, Andosol | Andosol, Histosol, Vertisol | Sandy Alfisols | Cambisol and Sandy Oxissol | Oxisol Inceptisols Cambisols | Alluvial, Lacustrine, Rocky | RBP, RYL | Ferralsols (Oxysol) |
Topography | 900 - 4.507 m | 0 - 2475 m | 915 - 1500 | 900 - 1800 | 0 - 1280 m | 60 - 8848 m Mt Everest | 0 - 2400 m | |
Acidity | 20% Below 5, 85%between 5 - 6 | 64% Above 5, 36% below 5 | More than 30% acidic | pH 4 - 6 | pH mostly below 6 | pH 5.5 - 6.5 | pH 5 - 7 | pH 5 - 7 |