The Iowa State University Weed Science Field Day will be held on June 28 at the Curtiss Farm on South State Street in Ames. Registration for the event begins at 8 a.m. with brief remarks and a self-guided tour following. Registration is $20 and includes refreshments and a field book that details the demonstrations and research at the Curtiss Farm location, as well as the other locations throughout Iowa. Those in the agricultural chemical Industry, growers, and seed dealers are welcome and will find much that will be of interest.