Table 6 The analyzed parameters and the laboratory methods
S/N | Parameters | Method applied to analyze the parameter |
|---|---|---|
1 | pH | Potentiometric – Water Extract. |
2 | Electric conductivity (EC) | Conductivity – Water Extract. |
3 | Available phosphorous (AP) | Olsen et.al. |
4 | Available potassium (AK) | Ammonium acetate extraction, flame photometry for determination. |
5 | Organic carbon (OC) | Walkley – Black |
6 | Cation Exchange Capacity (CEC) | Sodium equivalent by flame photometer. |
7 | Total nitrogen (TN) | Kjeldahl |