| Volunteer corn density | |||||||||||
| 2008 | 2009 | 2010 | |||||||||
| Target volunteer corn density | 4 WAE | 8 WAE | 12 WAE | 4 WAE | 8 WAE | 12 WAE | 4 WAE | 8 WAE | 12 WAE | ||
| plants·m−2 | |||||||||||
| 0.75 | 0.3 | 0.4 | 0.3 | 0.5 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | ||
| 1.5 | 0.5 | 0.6 | 0.6 | 0.8 | 0.9 | 0.8 | 0.8 | 1.1 | 0.8 | ||
| 3 | 1.2 | 1.2 | 1.2 | 1.6 | 1.5 | 1.4 | 1.6 | 1.7 | 1.4 | ||
| 4.5 | 1.5 | 1.6 | 1.4 | 2.5 | 2.3 | 2.2 | 1.7 | 1.3 | 1.4 | ||
| 6 | 2.3 | 2.5 | 2.2 | 3.3 | 3.0 | 2.9 | 2.7 | 1.9 | 2.0 | ||
| 7.5 | 2.7 | 2.8 | 2.6 | 4.2 | 4.0 | 3.7 | 3.0 | 2.6 | 2.5 | ||