FILE - In this Sept. 30, 2016 file photo, workers harvest marijuana plants in a rural area near Corvallis, Ore. Oregon will require cultivators growing outdoor marijuana for general use to notify the state when they plan to harvest. The rule that takes effect Saturday, Sept. 1, 2018 is intended to prevent marijuana from being diverted out-of-state to the black market after pressure from federal officials. (AP Photo/Andrew Selsky, File)
