From: Factorial design study of total petroleum contaminated soil treatment using land farming technique
Parameters | Cow dung | NPK fertilizer |
---|---|---|
pH | 8.27 | 9.62 |
Organic carbon (%) | 14.36 | 8.06 |
Total nitrogen (%) | 40.65 | 58.40 |
Phosphate (mg kg−1) | 23.68 | 26.07 |
Potassium (mg kg−1) | 17.49 | 7.83 |
Magnesium (mg kg−1) | 5.88 | 11.35 |
Calcium (mg kg−1) | 1.42 | 37.55 |
Sodium (mg kg−1) | 1.94 | 1.06 |