Field tolerances for white clover or trefoil seed certification.

Field tolerances for the production of white clover or trefoil seed are as follows: Maximum permitted: Ratio of Plant Field Producing* Factor | Foundation | Registered | Certified Other Variety | 1:1000 | 1:400 | 1:100 Sweet Clover | 1:1000 | 1:400 | 1:100 Other Inseparable Crops | 1:1000 | 1:400 | 1:100 * | 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, § 16-302-540, filed 12/4/00, effective 1/4/01.]