Wash. Admin. Code § 16-302-235
Field tolerances for the production of alfalfa seed are as follows:
| Field Producing* | |||
| Foundation | Registered | Certified | |
| Other varieties | 0.1% | 0.5% | 1.0% |
| Sweet Clover | none found | 5 plants/acre | 10 plants/acre |
| Red Clover | none found | 4 plants/acre | 20 plants/acre |
| * | Prohibited noxious weeds must be controlled to prevent seed formation. |
[Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. WSR 00-24-077, § 16-302-235, filed 12/4/00, effective 1/4/01.]