Table 1.10-1. Typical aboveground biomass production and nitrogen contribution of some cover crops and cover crop mixtures in southern Pennsylvania.
| Dry matter production non-legume (lb/A) |
Dry matter production legume (lb/A) |
Total nitrogen content (lb/A N) |
|
|---|---|---|---|
| Cover crops established end of August/beginning of September, and killed at the end of April/beginning of May. All data except rye, wheat, and barley are personal communication from Rita Koch and Matthew Ryan, The Rodale Institute, Kutztown. | |||
| Rye | 5,000 | 50 | |
| Wheat | 4,500 | 45 | |
| Barley | 4,500 | 45 | |
| Hairy vetch | 3,600 | 160 | |
| Red clover | 2,500 | 91 | |
| Crimson clover | 2,400 | 90 | |
| Hairy vetch/oats | 1,700 | 2,700 | 119 |
| Hairy vetch/rye | 3,500 | 1,800 | 102 |
| Hairy vetch/wheat | 2,600 | 2,400 | 111 |
| Crimson clover/oat | 2,000 | 4,700 | 109 |
| Crimson clover/sudax | 2,500 | 3,600 | 106 |
| Crimson clover/wheat | 4,500 | 3,200 | 100 |