| Parameter |
Jatropa seed cake |
Water hyacinth |
Cow dung |
| pH |
6.8 ± 0.20 |
7.2 ± 0.20 |
8.7 ± 0.20 |
| Total organic carbon (TOC) |
35.64 ± 0.21 |
42.6 ± 0.10 |
39.2 ± 0.21 |
| Total Kjeldahl nitrogen (TKN) |
0.84 ± 0.03 |
0.86 ± 0.05 |
0.63 ± 0.02 |
| C: N ratio |
42.42 ± 1.12 |
49.3 ± 1.01 |
62.2 ± 1.05 |
| Total phosphorus (TP) |
0.50 ± 0.02 |
0.82 ± 0.13 |
0.59 ± 0.14 |
| Total potassium (TK) |
0.57 ± 0.10 |
0.82 ± 0.05 |
0.62 ± 0.12 |
|
