This week on AgweekTV, a look into how the potato season is doing on two regional farms. The ethanol industry continues to push for expanding use of biofuels. The grand opening of a new South Dakota State Fair facility promises growth opportunities. Our Agweek Corn and Soybean Tour continues this week with a stop in the Red River Valley. The University of Minnesota soybean research field day discusses the future of the crop. And weeding robots could be coming to a field near you.