| Treatment |
| Total N Uptake in Seed + Straw (kg∙ha−1) | ||||
| No. | S Source/Time/Method |
| 2011 | 2012 | 2013 | Mean |
| 1 | Control (No S Fertilizer) |
| 99 | 81 | 150 | 110 |
| 2 | RRES Broadcast Autumn |
| 122 | 109 | 165 | 132 |
| 3 | RRES Broadcast Spring Pre-Till |
| 124 | 106 | 179 | 137 |
| 4 | RRES Broadcast Spring Pre-Emergence |
| 128 | 100 | 186 | 138 |
| 5 | RRES Spring Sideband |
| 133 | 92 | 181 | 135 |
| 6 | RRES Spring Seedrow-Placed |
| 119 | 94 | 176 | 130 |
| 7 | Potassium Sulphate Broadcast Autumn |
| 122 | 105 | 172 | 133 |
| 8 | Potassium Sulphate Broadcast Spring Pre-Till |
| 127 | 114 | 187 | 143 |
| 9 | Potassium Sulphate Broadcast Spring Pre-Emergence |
| 127 | 104 | 177 | 136 |
| 10 | Potassium Sulphate Spring Sideband |
| 128 | 112 | 182 | 141 |
| 11 | Potassium Sulphate Spring Seedrow-Placed |
| 132 | 96 | 179 | 136 |
|
| LSD0.05 |
| 18 | 13 | 25 | 10 |
|
| |
| 6.30.06 | 4.7*** | 8.50.18 | 3.6*** |