Field tolerances for red clover seed certification.
Field tolerances for the production of red clover seed are as follows:
| Field Producing* |
Foundation | Certified |
Other varieties | (Max.) | 0.00% | 0.50% |
Alfalfa | (Max.) | None found | 0.50% |
Sweet Clover | (Max.) | None found | 20 plants/acre |
* | Prohibited noxious weeds must be controlled to prevent seed formation. |