Mandy and Joe talk with Jean Payne as she prepares to retire after 17 years as the President of the Illinois Fertilizer and Chemical Association. The topic is concerns of custom applicators in 2021.

Joe and Mandy talk recommendations for controlling volunteer corn with Meaghan Anderson, a field agronomist with Iowa State University Extension.

In part 2 of our cover crop conversation, Mandy and Sarah visit with Trey Hill of Harborview Farms in Maryland about his experiences with cover crops.

Cover crops are such a hot topic that we're going to spend two episodes on the subject. In part 1, Mandy and Sarah visit with Kevin Bradley from the University of Missouri to discuss what the research says about weed management with cover crops.

Joe and Mandy visit with Mark VanGessel from the University of Delaware, who was the first to confirm glyphosate-resistant marestail (horseweed) in the US. The discussion focuses on how wind helps marestail move long distances and offers some tips for control.

Sarah and Mandy talk with Iowa State Weed Scientist Bob Hartzler about managing the soil weed seed bank.

Mandy and Sarah visit with Mark Loux, from Ohio State University to talk about the best time to use preemergence herbicides and other topics related to rotating herbicides to manage herbicide resistant weeds.

Joe and Sarah visit with agronomists Jason Hanson and Kyle Okke about managing weeds in diverse crop rotations.

Lee Briese joins Joe and Sarah to discuss practical aspects of integrated weed management, including tillage cover crops.

Mandy and Joe discuss resistance to residual herbicides with Aaron Hager from the University of Illinois. Then, starting at 21:30, they visit with Bryan Young from Purdue University to discuss resistance to postemergence herbicides.