Research Article
Nature and Properties of Lateritic Soils Derived from Different Parent Materials in Taiwan
Table 3
Some chemical properties of the lateritic soils being studied.
| Sample | pH H2O | pH KCl | ΔpH KCl − H2O | CEC* (cmol/kg) | Organic matters (g/kg) | BSP (%) | Fed (%) | Feox (%) | Feox/Fed |
| Tamshui | 4.85 | 4.03 | −0.82 | 12.3 | 15.8 | 17.4 | 6.75 | 1.06 | 15.7 | Pingchen | 4.06 | 2.94 | −1.12 | 8.9 | 23.1 | 7.23 | 3.86 | 0.36 | 9.32 | Loupi | 4.02 | 3.39 | −0.63 | 8.4 | 32.4 | 3.12 | 5.31 | 0.47 | 8.85 | Soka | 4.46 | 3.74 | −0.72 | 13.8 | 3.5 | 87.3 | 8.74 | 1.03 | 11.8 | Tungwei | 8.13 | 7.31 | −0.82 | 18.7 | 26.5 | 23.8 | 13.8 | 2.42 | 17.6 |
|
|
CEC values are for pH 7.
|