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Updated Nitrogen And Agronomic Guidelines For Corn Following Alfalfa

Apr 06, 2017
By Jeff Coulter
Extension corn specialist
 
alfalfa-field
 
First- and second-year corn following alfalfa usually benefit from increased yield, reduced or eliminated nitrogen requirement from fertilizer or manure, and reduced pest pressure. 
 
Nitrogen management guidelines for first- and second-year corn following alfalfa were updated in 2016 and are available at http://z.umn.edu/fertilizingcorn
 
Strategies for successful alfalfa termination to fully achieve rotational benefits are summarized at http://z.umn.edu/rotation.