Land requirements for the production of a hemp seed crop are as follows:
(1) Hemp crops for foundation and registered classes must not be grown on land which in any of the preceding three years produced a crop of hemp.
(2) Hemp crops for certified classes must not be grown on land which:
(a) In the preceding year produced a certified crop of the same variety.
(b) In either of the preceding two years produced a noncertified crop of hemp or a different variety of hemp.
(3) Weeds: The presence of broomrape (Orobanche spp.) in hemp crops is cause for declining certified status.
[Statutory Authority: RCW
15.49.005, [15.49].021, [15.49].310, [15.49].370, and
15.140.030. WSR 21-20-101, § 16-302-850, filed 10/4/21, effective 11/4/21. Statutory Authority: RCW
15.120.030(3),
15.49.021,
15.49.310, and chapter
34.05 RCW. WSR 17-08-090, § 16-302-850, filed 4/5/17, effective 5/6/17.]