Table 1.
Physicochemical characteristics of soil from Cul-de-Sac plain.
| Parameters | Concentration | Standards and analysis methods |
|---|---|---|
| pH-H2O | 8.26 | AFNOR X31-104 |
| pH-KCl | 7.46 | AFNOR X31-104 |
| CaCO3 (g·kg−1) | 343.00 | AFNOR X31-105 |
| Organic carbon (g·kg−1) | 100.00 | AFNOR X31-106 |
| Organic matter (g·kg−1) | 57.85 | Calcination at 550 °C |
| Clay (g·kg−1) | 17.00 | AFNOR X31-107 |
| CEC (meq·kg−1) | 135.00 | Metson Method AFNOR X31-130 |
| Surface area (m2·g−1) | 9.48 | B.E.T Method |
| Total Ca (g·kg−1) | 9.67 | AFNOR X31-108 |
| Total Mg (g·kg−1) | 0.45 | AFNOR X31-108 |
| Total K (g·kg−1) | 0.051 | AFNOR X31-108 |
| Total Cr (mg·kg−1) | 17.40 | NF ISO 11885 |
| Total Cu (mg·kg−1) | 61.40 | NF ISO 11885 |
| Total Ni (mg·kg−1) | 24.10 | NF ISO 11885 |
| Total Zn (mg·kg−1) | 28.10 | NF ISO 11885 |
| Total Cd (mg·kg−1) | Ud * | NF ISO 11885 |
| Total Pb (mg·kg−1) | Ud | NF ISO 11885 |
| Total Hg (mg·kg−1) | Ud | NF ISO 11885 |
| Total Se (mg·kg−1) | Ud | NF ISO 11885 |
* Undetected.