Relative acres of corn and soybeans vary across Illinois. Northern Illinois has more corn than soybeans acres and southern Illinois has more soybean than corn acres (see farmdoc daily, October 13, 2020). We provide more information on corn relative to soybean acres across the Midwest in this article. As acreages shift across the nation, this will serve […]

Nitrogen applied as anhydrous ammonia in the fall is an effective source of N for the corn crop, but is also a little more subject to loss compared to N applied in the spring. One of the main factors that determines how much of the fall-applied N is subject to loss is how much of the ammonia converts to nitrate (is nitrified) in the fall and early spring, before the next planting season.