Table 7.
Soil pH and nutrient availability
| Treatments (g/L) | pH value | Alkaline nitrogen (mg/kg) | Available phosphorus (mg/kg) | Available potassium (mg/kg) |
|---|---|---|---|---|
| 0 | 7.82 ± 0.04a | 51.41 ± 0.66a | 11.56 ± 0.23e | 10.78 ± 0.30d |
| 1 | 7.67 ± 0.01c | 47.98 ± 0.92b | 16.78 ± 0.36c | 14.01 ± 0.41c |
| 2 | 7.58 ± 0.03d | 44.28 ± 1.04c | 19.55 ± 0.56a | 22.34 ± 0.87a |
| 4 | 7.64 ± 0.02c | 48.06 ± 1.89b | 18.07 ± 0.35b | 15.00 ± 0.52b |
| 6 | 7.71 ± 0.01b | 50.96 ± 1.22a | 13.97 ± 0.46d | 13.93 ± 0.44c |
Values are means (± SE) of 3 replicate pots. Significant differences (indicated by different lowercase letters) within a column are based on a one-way analysis of variance with least significant difference (LSD) (p < 0.05)