WAC 16-302-485
Land requirements for rapeseed
certification. (1) Land requirements prior to planting for the
production of rapeseed are as follows:
Class Planted
Class Produced
Years Field Shall be
Free of Rapeseed
Breeder
Foundation
5
Foundation
Registered
4
Breeder, Foundation,
Registered
Certified
3
(2) For all classes no manure or other contaminating
materials shall be applied during the establishment and
production period of the rapeseed stand.
(3) Reseeding of a rapeseed field due to failure or partial
failure of the first seeding may be done by referring to the
guidelines in WAC 16-302-045(5).
(4) Ditchbanks, roadways, etc., adjacent to a certified
rapeseed field must be free of volunteer rapeseed and prohibited
noxious weeds.