Table 2 Delta pH, CEC, exchangeable cations and base saturation of the original soils (N = > 3 replicates).
From: Terra Preta production from Ghanaian and Zambian soils using domestic wastes
Soil | Delta pH | CEC (cmolc kg− 1) | Exchangeable cations (cmolc kg− 1) | Base saturation (%) | |||
---|---|---|---|---|---|---|---|
Ca | Mg | Na | K | ||||
Adansam Lixisol | 0.1 | 7.6# | 4.6 | 1.2 | 0.3 | 1.2 | - |
Chitotokoloki Arenosol | 2.6 | 4.5 | 0.9 | 0.2 | 0.1 | 0.1 | 27.1 |
Dompem Acrisol | -0.6 | 3.9# | 1.9 | 1.0 | 0.2 | 0.0 | - |
Dzorwulu Vertisol | -0.2 | 16.4 | 6.6 | 1.5 | 0.4 | 0.4 | 53.9 |
GBC Acrisol | -0.4 | 12.8 | 9.1 | 1.3 | 0.7 | 0.5 | 90.3 |
Lukweta Acrisol | 1.3 | 9.5 | 3.1 | 0.8 | 0.6 | 0.1 | 47.9 |