Shattercane removal height (inches) |
1999 |
2000 |
||
Corn grain yield (bu/A) |
Corn tissue nitrogen content (lb. N/A) |
Corn grain yield (bu/A) |
Corn tissue nitrogen content (lb. N/A) |
|
| weed free | 75 | 72 | 214 | 128 |
| 3 | 70 | 64 | 195 | 95 |
| 6 | 68 | 66 | 178 | 119 |
| 9 | 64 | 77 | 174 | 94 |
| 12 | 58 | 65 | 162 | 85 |
| 15 | 44 | 40 | 149 | 73 |
| 18 | 45 | 56 | 149 | 73 |
| none (weedy check) | 11 | 9 | 123 | 62 |
| LSD (0.05) |
15 | 24 | 48 | 35 |