Northfield farmer Sam Peterson joined the Minnesota Corn Innovation Grant Program in 2017 to research the economic benefit of variable-rate nitrogen (VRN) programs. While Peterson and his dad, Bruce, had started embracing these programs, it was difficult to determine the return on their investment.
Peterson was familiar with the variety of VRN programs, all
of which tout the same benefits but use different methods to get there. With
that, he tested out three of the more prominent brands—Central Advantage’s