Natural nonwoody vegetation 1 year following treatment.
| Study area | Treatment | Dominant vegetation |
|---|---|---|
| NEK-1 (Rock Crk.) | Arsenal | Giant ragweed |
| Garlon 4 +Tordon K | Annual foxtail, ragweed, pokeberry | |
| Tordon 101 M | Annual foxtail, ragweed, grass | |
| Tordon K | Annual foxtail | |
| Control | Broadleaf, ragweed, grass | |
| NEK-2 (Branch Crk.) | Arsenal | Giant ragweed |
| Garlon 4 +Tordon K | Grass | |
| Tordon 101 M | Grass | |
| Tordon K | Grass | |
| Control | Broadleaf | |
| SEK-1 (Strauss) | Arsenal | Giant ragweed, nutsedge |
| Garlon 4 +Tordon K | Nutsedge | |
| Tordon 101 M | Nutsedge | |
| Tordon K | Nutsedge | |
| Control | Grass, ragweed, nutsedge |