Treatment | Amounts of nutrients applied annually (kg N, P, K or S ha−1) | ||||
No | Amendments | N | P | K | S |
1 | Control (no amendment) | 0 | 0 | 50 | 20 |
2 | N only―100 kg N ha−1 (using 34-0-0) | 100 | 0 | 50 | 20 |
3 | P only―20 kg P ha−1 (using 0-45-0) | 0 | 20 | 50 | 20 |
4 | N + P―100 kg N ha−1 + 20 kg P ha−1 | 100 | 20 | 50 | 20 |
5 | Penicillium bilaiae + 100 kg N ha−1 | 100 | 0 | 50 | 20 |
6 | Rock P granular (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 | 100 | 20 | 50 | 20 |
7 | Rock P granular (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 + Penicillium bilaiae | 100 | 20 | 50 | 20 |
8 | Rock P finely-ground (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 | 100 | 20 | 50 | 20 |
9 | Rock P finely-ground (BC Mines) at 20 kg P ha−1 + 100 kg N ha−1 + Penicillium bilaiae | 100 | 20 | 50 | 20 |
10 | Wood ash at 2 Mg∙ha−1 | 0 | 10 | 140 | 46 |
11 | Wood ash at 2 Mg∙ha−1 + 100 kg N ha−1 | 100 | 10 | 140 | 46 |
12 | Wood ash at 2 Mg∙ha−1 + 100 kg N ha−1 + 20 kg P ha−1 | 100 | 30 | 140 | 46 |
13 | Alfalfa pellets at 3.5 Mg∙ha−1 | 102 | 7 | 138 | 53 |
14 | Compost at 8 Mg∙ha−1 | 104 | 51 | 154 | 44 |
15 | Thin stillage at 20,000 L∙ha−1 | 100 | 22 | 82 | 30 |
16 | Distiller grain (wheat)―dry at 2 Mg∙ha−1 | 112 | 15 | 83 | 34 |
17 | MykePro | 0 | 0 | 50 | 20 |
18 | MykePro + 100 kg N ha−1 | 0 | 0 | 50 | 20 |
19 | Bone meal at 154 kg∙ha−1 | 0 | 20 | 50 | 20 |
20 | Bone meal at 154 kg∙ha−1 + 100 kg N ha−1 | 100 | 20 | 50 | 20 |