Weeds Resources PagePublications Herbicide options for Palmer amaranth in CRP 2017 Herbicide Guide for Iowa Corn and Soybean Production Palmer Amaranth Identification Weed Identification Field Guide 2nd Edition All Weeds and Weed Control Publications Resources Iowa's Noxious Weed Law: Chapter 317 Read more about Weeds Resources Category: WeedsHerbicide ResistanceCrop(s): CornSoybeanBiomass and ForageCover CropTags: weeds resources