Survey to determine scope and methods used.
| Northeast | Southeast | West | |
|---|---|---|---|
| R/W acreage managed | 70% | 70% | 25% |
| Methods used | |||
| Manual | 10% | 10% | 30% |
| Mechanical | 4% | 65% | 52% |
| Herbicide | 86% | 25% | 18% |
| Herbicide application methods | |||
| Selective Basal | 53% | 12% | 4% |
| Foliage-Air | 24% | 77% | 1% |
| Foliage-Ground | 9% | 6% | 67% |
| Selective Foliage | 11% | — | 6% |
| Miscellaneous | 3% | 5% | 22% |