| Field emergencea | ||||||||
| Yearb | With disturbancec | Without disturbance | With disturbance | Without disturbance | ||||
| % of initial seed bank | % of total emergence | |||||||
| 2005 | 0.51 | a A | 0.44 | b A | 64 | b A | 86 | a A |
| 2006 | 0.28 | a B | 0.07 | b B | 35 | a B | 14 | b B |
| 2007 | 0.01 | a C | 0.00 | a B | 1 | a C | 0 | a C |
| 2008 | 0.00 | a C | 0.00 | a B | 0 | a C | 0 | a C |
| S.E. ± | 0.021 | 1.311 | ||||||