Soil property | Poultry manure Percent (g/100g) | Biochar-based Percent (g/100g) |
pH | 6.8 | 6.6 |
Nitrogen | 2.2 | 4.1 |
Phosphorus | 0.88 | 2.0 |
Potassium | 1.99 | 5.2 |
Calcium | 1.42 | 0.42 |
Magnesium | 0.58 | 0.24 |
C:N | 6.7 | 4.8 |
Organic matter | 14.3 | 12.5 |