Most turfgrass managers across Ohio continue to rely on the use of preemergence herbicides as a preventative control for annual grassy weeds.Looking ahead to spring: granular applicationsMarch 18, 2010 Most turfgrass managers across the state continue to rely on the use of preemergence herbicides as a preventative control for annual grassy weeds. Read the rest here Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)