Isolation requirements for the production of white clover and trefoil seed crop are as follows:
Class Being Produced | Fields less than five acres | Fields five acres or more |
Foundation | 900 feet | 600 feet |
Registered | 450 feet | 300 feet |
Certified | 165 feet* | 165 feet |
*330 feet required for trefoil. |
Class Being Produced | Distance Required from Fields Planted with: | Fields less than five acres | Fields five acres or more |
Foundation | Foundation or Registered | 225 feet | 150 feet |
Registered | Registered or Certified | 115 feet | 75 feet |
Certified | Certified | 75 feet | 45 feet |
Wash. Admin. Code § 16-302-535
Statutory Authority: RCW 15.49.005, 15.49.081, 15.49.310, 15.49.370(3) and chapter 17.24 RCW. 00-24-077, § 16-302-535, filed 12/4/00, effective 1/4/01.