Research Article
Soil Fertility, Phosphorus Fractions, and Maize Yield as Affected by Poultry Manure and Single Superphosphate
Table 4
Characterization of the poultry manure used.
| pH | 7.03 | Nitrogen (N) (%) | 5.82 | Phosphorus (P) (%) | 5.54 | Potassium (K) (%) | 0.94 | Na (%) | 1.3 |
SO4-S (%) | 0.14 | Organic C (%) | 13.34 | C/N | 2.3 | Calcium (%) | 8.04 | Magnesium (%) | 0.61 | Iron (mg kg−1) | 1555 | Copper (mg kg−1) | 33.3 | Zinc (mg kg−1) | 100.3 | Manganese (mg kg−1) | 180 |
|
|