Maximize fertilizer use efficiency for peak fertilizer prices of 2022

Abstract

Record high fertilizer prices this winter have driven a lot of creative thinking about cost-cutting strategies for 2022. Dairy farmers are at an advantage as manure is a tremendous source of all essential nutrients, and typical rotations of corn and alfalfa/grass result in nutrient and other benefits for corn following sod. But how do we know where cuts in fertilizer are appropriate and where they are not?