Treatment |
| | ||||
No. | S Source/Time/Method |
| 2011 | 2012 | 2013 | Mean |
1 | Control (No S Fertilizer) |
| 16.8 | 11.8 | 25.0 | 17.7 |
2 | RRES Broadcast Autumn |
| 23.6 | 15.5 | 32.3 | 23.8 |
3 | RRES Broadcast Spring Pre-Till |
| 20.4 | 13.9 | 33.6 | 22.6 |
4 | RRES Broadcast Spring Pre-Emergence |
| 22.4 | 16.1 | 34.2 | 24.2 |
5 | RRES Spring Sideband |
| 21.0 | 13.2 | 32.1 | 22.2 |
6 | RRES Spring Seedrow-Placed |
| 20.6 | 13.3 | 32.1 | 22.0 |
7 | Potassium Sulphate Broadcast Autumn |
| 23.8 | 15.2 | 33.2 | 24.1 |
8 | Potassium Sulphate Broadcast Spring Pre-Till |
| 24.9 | 16.3 | 35.1 | 25.4 |
9 | Potassium Sulphate Broadcast Spring Pre-Emergence |
| 24.5 | 15.9 | 32.8 | 24.4 |
10 | Potassium Sulphate Spring Sideband |
| 23.6 | 16.2 | 34.1 | 24.7 |
11 | Potassium Sulphate Spring Seedrow-Placed |
| 24.9 | 13.8 | 33.4 | 24.1 |
| LSD0.05 |
| 3.5 | 1.9 | 2.8 | 1.7 |
| |
| 1.22** | 0.65*** | 0.97*** | 0.60*** |