| Main Index | 1997 Index | Search |

| N | P2O5 | K2O | Placement | Effingham C-S |
Champaign C-C |
Champaign C-S |
Pike C-S |
McLean C-C |
Ogle C-C |
|---|---|---|---|---|---|---|---|---|---|
| -----lb/acre----- | --------------- Yield (bu/acre) -------------- | ||||||||
| 0 | 0 | 0 | 2X2 | 145 | 177 | 162 | 162 | 164 | 186 |
| 12.5 | 0 | 0 | 2X2 | 153 | 181 | 174 | 154 | 164 | 191 |
| 25 | 0 | 0 | 2X2 | 163 | 180 | 159 | 171 | 181 | 194 |
| 0 | 30 | 0 | 2X2 | 152 | 175 | 155 | 165 | 169 | 194 |
| 12.5 | 30 | 0 | 2X2 | 154 | 172 | 160 | 160 | 173 | 191 |
| 25 | 30 | 0 | 2X2 | 171 | 177 | 175 | 178 | 178 | 197 |
| 0 | 0 | 20 | 2X2 | 150 | 182 | 168 | 169 | 162 | 181 |
| 12.5 | 0 | 20 | 2X2 | 164 | 175 | 160 | 151 | 182 | 199 |
| 25 | 0 | 20 | 2X2 | 164 | 175 | 164 | 163 | 183 | 191 |
| 0 | 30 | 20 | 2X2 | 158 | 189 | 169 | 164 | 166 | 185 |
| 12.5 | 30 | 20 | 2X2 | 171 | 184 | 182 | 176 | 176 | 189 |
| 25 | 30 | 20 | 2X2 | 171 | 177 | 170 | 168 | 186 | 197 |
| 12.5 | 0 | 0 | surface | 151 | 166 | 169 | 162 | 168 | 186 |
| 25 | 0 | 0 | surface | 162 | 186 | 163 | 154 | 171 | 187 |
| LSD (.10) | 15 | 16 | 15 | 14 | 17 | 12 | |||