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| Source | N Source | |||||
|---|---|---|---|---|---|---|
| N | P2O5 | K2O | Ammonia preplant |
UAN preplant |
Ammonia sidedress |
Average |
| -------- lb/acre -------- | ------------------ %P ------------------ | |||||
| 0 | 0 | 0 | 173 | 172 | 167 | 171 A |
| 25 | 0 | 0 | 173 | 171 | 180 | 175 A |
| 0 | 30 | 0 | 175 |
178 | 173 | 175 A |
| 25 | 30 | 0 | 200 | 189 | 165 | 185 A |
| 0 | 0 | 20 | 164 | 173 | 176 | 171 A |
|
25 |
0 | 20 | 175 | 184 | 166 | 175 A |
| 0 | 30 | 20 | 168 | 170 | 171 | 170 A |
| 25 | 30 | 20 | 169 | 187 | 177 | 178 A |
| Average | 175 A | 178 A | 172 A | |||
1Average values followed by the same letter in the row or column are not significantly different.