| Rates | Poultry manure | |||||
| Canada | Nigeria | |||||
| kg∙N∙ha−1 | kg∙ha−1 | g∙pot−1 | N mg∙pot−1 | kg∙N∙ha−1 | g∙pot−1 | N mg pot−1 |
|
| 2 kg soil | 2 kg soil | ||||
| 60 | 2710 | 3 | 67 | 4225 | 4.7 | 67 |
| 120 | 5420 | 6 | 133 | 8510 | 9.5 | 133 |