Organic carbon | 9.5 – 17.98% |
Nitrogen | 0.5 – 1.50% |
Phosphorous | 0.1 – 0.30% |
Potassium | 0.15 – 0.56% |
Sodium | 0.06 – 0.30% |
Calcium and Magnesium |
22.67 to 47.60 meq/100g |
Copper | 2 – 9.50 mg kg-1 |
Iron | 2 – 9.30 mg kg-1 |
Zinc | 5.70 – 11.50 mg kg-1 |
Sulphur | 128 – 548 mg kg-1 |