Corn growers will best meet their production goals for 2017 when all yield-limiting factors are un­­covered and are in sufficient supply to meet critical levels for crop growth and yield potential.

Nitrogen (N) is the most commonly applied nutrient and one of the costliest inputs in corn production.  Mismanagement can limit yields, reduce profitability and contribute to negative environmental impacts.

Nitrogen residing in soils as applied fertilizers and N mineralized from...