blog postsEPA again increases restrictions on the use of herbicide dicambaSep 30, 2019 2:30 pm by Journal CourierIllinois in the NewsShare on FacebookTweetEmailImagesJournal Courier (Sept. 27) 'We have revised the label and revised it again. The problems have not gone away,' says Aaron Hager, a professor of weed science at Illinois.Share on FacebookTweetEmail