Resourcehttps://store.extension.iastate.edu/Product/4242 Maintain a weed-free lawn and learn about herbicides and how to use them. Prior to use, it is always wise to check and see if the chemicals mentioned within are allowed in your area.Resource Category: Extension PublicationsCategory: Problems and PestsWeedsLawn and TurfTags: weedsweed controllawnlawn weedshome lawnhome