Ohio State University offers a variety of weed management resources for Indiana and Ohio at the OSU Agronomic Crops Team Weed Science Web site at agcrops.osu.edu/weeds/. Weed control recommendation sheets, as well as many weed science presentations, are compiled on the site. View weed resistance maps showing county-by-county where weed resistance problems are occurring in the two states. An updated 2008 Weed Control Guide, available for download from the site, makes good reading for weed management issues and offers product recommendations.