Don Huber describes how farmers can recognize field damage caused by Roundup/glyphosate and how abuse of this chemical has undermined the usefulness of this weed control tool (part 4 of 5). Audio Playerhttps://landstewardshipproject.org/repository/1/304/ear_to_ground_101.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume.