WAC 16-302-235. Field tolerances for alfalfa seed certification

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 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.