Examples of RUSLE cover management factors for construction sites
| C factor | Percent reduction of soil loss | ||
|---|---|---|---|
| Vegetative cover | None (fallow ground) | 1.0 | 0 |
| Native vegetation (undisturbed) | 0.01 | 99 | |
| Temporary ryegrass, 90% (perennial) | 0.05 | 95 | |
| Temporary ryegrass, 90% (annuals) | 0.1 | 90 | |
| Permanent seedlings (90%) | 0.01 | 99 | |
| Sod (laid immediately) | 0.01 | 99 | |
| Mulching (for slopes 2:1 or less) | Hay (0.5 tons/acre) | 0.25 | 75 |
| Hay (1.0 tons/acre) | 0.13 | 87 | |
| Hay (1.5 tons/acre) | 0.07 | 93 | |
| Hay (2.0 tons/acre) | 0.02 | 98 | |
| Wood chips (6 tons/acre) | 0.06 | 94 | |
| Wood cellulose (1.75 tons/acre) | 0.10 | 90 | |
| Other | Competent gravel layer | 0.05 | 95 |
| Rolled erosion control fabrics | for slopes > 2:1; variable C by type | ||