What Pulse Crops Actually Save Prairie Grain Farmers on Nitrogen — And What They Don’t
If you grew field peas last year and you are wondering how much you can cut your nitrogen rate on this year’s wheat or canola crop, here is the direct answer: somewhere in the range of 15 to 25 pounds of actual nitrogen per acre is a defensible credit in most Prairie field pea situations, under average conditions, with confirmed good nodulation. At current benchmark urea prices of around $830 per tonne for 46-0-0, that credit has a fertilizer replacement value of approximately $13 to $22 per acre. That is real money. It is also not the full story, and the producers who get the most out of pulse rotations are the ones who understand both what the nitrogen credit is and what it is not.
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