Table 1.10-2. Some C:N ratios of cover crops.
| Organic material | C:N ratio |
|---|---|
| Source: Adapted from ATTRA, 2001. Overview of cover crops and green manures. | |
| Young rye plants | 14:1 |
| Rye at mid-boot stage | 40:1 |
| Hairy vetch | 10:1 to 15:1 |
| Crimson clover | 15:1 |
| Corn stalks | 60:1 |
| Sawdust | 250:1 |