The land requirements for the production sudangrass are as follows:

(1) A field planted for all foundation, registered, and certified classes of sudangrass seed must not have grown or been seeded to sudangrass or sorghum during the preceding two years.

(2) Reseeding of a field, because of failure or partial failure of the first seeding may be done by referring to the guidelines in WAC 16-302-045(5).

(3) Prohibited noxious weeds in the field and on ditchbanks, roadways, etc., adjacent to a certified field shall be controlled to prevent seed formation.