| Treatment |
| Total S Uptake in Seed + Straw (kg∙ha−1) | ||||
| No. | S Source/Time/Method |
| 2011 | 2012 | 2013 | Mean |
| 1 | Control (No S Fertilizer) |
| 14.8 | 10.1 | 12.5 | 12.5 |
| 2 | RRES Broadcast Autumn |
| 17.3 | 18.5 | 18.2 | 18.0 |
| 3 | RRES Broadcast Spring Pre-Till |
| 17.0 | 16.4 | 17.7 | 17.1 |
| 4 | RRES Broadcast Spring Pre-Emergence |
| 19.1 | 15.0 | 17.7 | 17.2 |
| 5 | RRES Spring Sideband |
| 18.4 | 11.9 | 14.9 | 14.6 |
| 6 | RRES Spring Seedrow-Placed |
| 15.2 | 12.2 | 15.0 | 14.2 |
| 7 | Potassium Sulphate Broadcast Autumn |
| 23.4 | 18.8 | 23.7 | 22.0 |
| 8 | Potassium Sulphate Broadcast Spring Pre-Till |
| 23.5 | 21.0 | 29.9 | 24.8 |
| 9 | Potassium Sulphate Broadcast Spring Pre-Emergence |
| 22.7 | 19.1 | 27.4 | 23.1 |
| 10 | Potassium Sulphate Spring Sideband |
| 21.1 | 18.4 | 22.6 | 20.7 |
| 11 | Potassium Sulphate Spring Seedrow-Placed |
| 24.7 | 17.3 | 24.9 | 22.3 |
|
| LSD0.05 |
| 4.9 | 3.4 | 5.0 | 3.0 |
|
| |
| 1.68*** | 1.16*** | 1.7*** | 1.05*** |