| Treatment | kg∙ha−1 | |||
| No | Amendments | Straw yield | P uptake | N uptake |
| 1 | Control (no amendment) | 2637 | 7.6 | 67.4 |
| 2 | N only―100 kg N ha−1 (using 34-0-0) | 2785 | 6.9 | 77.2 |
| 3 | P only―20 kg P ha−1 (using 0-45-0) | 3076 | 10.5 | 65.6 |
| 4 | N + P―100 kg N ha−1 + 20 kg P ha−1 | 4486 | 11.1 | 90.4 |
| 5 | Penicillium bilaiae + 100 kg N ha−1 | 2908 | 7.2 | 77.5 |
| 6 | Rock P granular (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 | 2718 | 6.6 | 73.6 |
| 7 | Rock P granular (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 + Penicillium bilaiae | 2666 | 6.6 | 73.0 |
| 8 | Rock P finely-ground (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 | 2873 | 7.2 | 78.5 |
| 9 | Rock P finely-ground (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 + Penicillium bilaiae | 2759 | 6.7 | 71.7 |
| 10 | Wood ash at 2 Mg∙ha−1 | 2843 | 8.2 | 68.0 |
| 11 | Wood ash at 2 Mg∙ha−1 + 100 kg N ha−1 | 3838 | 9.8 | 93.8 |
| 12 | Wood ash at 2 Mg∙ha−1 + 100 kg N ha−1 + 20 kg P ha−1 | 4958 | 13.5 | 96.3 |
| 13 | Alfalfa pellets at 3.5 Mg∙ha−1 | 3157 | 7.9 | 77.7 |
| 14 | Compost at 8 Mg∙ha−1 | 2950 | 10.9 | 64.6 |
| 15 | Thin stillage at 20,000 L∙ha−1 | 4516 | 13.8 | 97.1 |
| 16 | Distiller grain (wheat)―dry at 2 Mg∙ha−1 | 4399 | 12.1 | 99.7 |
| 17 | MykePro | 1974 | 5.0 | 50.4 |
| 18 | MykePro + 100 kg N ha−1 | 3149 | 8.1 | 84.5 |
| 19 | Bone meal | 2593 | 7.1 | 64.6 |
| 20 | Bone meal + 100 kg N ha−1 | 3389 | 8.5 | 89.3 |
|
| LSD0.05 | 550 | 1.9 | 14.4 |
|
| SEM | 194.1*** | 0.66*** | 5.10*** |