Table 1.10-4. Effect of termination technique of rye cover corp on corn yields (5-year averages, Virginia).
| Cover crop termination |
Corn establishment |
Corn grain yield (bu/A) |
|---|---|---|
| From W.W. Moschler, G.M. Shear, D.L. Hallock, R.D. Sears, and G.D. Jones. Winter cover crops for sod-planted corn; their selection and management.Agronomy Journal59:547-551, 1967. | ||
| Sprayed when 10-15 inches tall | No-till | 93 |
| Mowed at planting, stubble sprayed | No-till | 77 |
| Rye harvested as silage at corn planting time, stubble sprayed | No-till | 65 |
| Rye plowed under | Conventional till | 81 |