"Unit" means 20 pounds of plant food or one percent of a ton.

Source. #10464, eff 11-26-13 (from Agr 1101.06), EXPIRED: 11-26-23 New. #13947, INTERIM, eff 4-30-24, EXPIRED: 10-27-24 New. #14128, eff 11-26-24, EXPIRES: 11-26-34