Listen for the noise in nitrogen economics

Dr. Adrian Correndo in front of Real Agriculture backdrop

What’s the most economic rate of nitrogen for corn? Where is that line between feeding the crop the right amount of the yield-producing nutrient and wasting dollars on excess product?

University of Guelph sustainable cropping systems professor Dr. Adrian Correndo says a lot of field trials and research brainpower has been invested in identifying an economic optimal nitrogen rate (EONR) but it’s incredibly difficult to peg a specific number that growers can plug into cropping budgets. When it comes to corn nitrogen rates “uncertainly is king,” he notes.

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