Wheat harvest wrapped up for Tom Waters near Orrick, Mo., a week ago, which then provided a blank canvas for a larger-than-life welcome mat for Taylor Swift, who has two concerts in Kansas City this weekend. Here's how a maze artist created the 25-acre tribute to the music icon.

“This is the earliest we’ve reported tar spot in Iowa,” says Alison Robertson, Iowa State University professor. She says the early detection could be due to the Tarspotter app. Here's how it works.

Thieves are ripping off yield monitors and navigation systems, many of which retail for $4,000-plus. Some authorities speculate the tools are sold on the black market abroad for use as is or pieced out for parts.

Many of the machines, which are still in development, highlight AGCO’s goal of providing autonomous solutions for every season in crop production by 2030.