U of N at Lincoln Outlines New N Guidelines for Corn

December 26, 2012 06:16 AM

Researchers at the University of Nebraska at Lincoln have updated their 'Fertilizer Suggestions for Corn'. The revision includes slight changes to Nitrogen recommendations with the addition of cost adjustment and timing. The research shows that fall applications of N are, "...generally less efficient than growing season applications because of the increased risk of N loss from either leaching of denitrification."

The report goes on to state that the U of N cannot recommend fall application of N in Nebraska's sandier soils. Instead, the report argues that great N efficiency can be achieved by measuring the timing of your applications against the amount of organic matter in the soil profile. If the soil is low in organic matter, the research indicates one would be better off skipping the fall application and concentrating more on pre-plant and pre-emergence applications or even irrigator-based applications once corn has reached one-foot tall.

There is a lot of good information in this report and as you look ahead to spring applications and beyond, consider reading through what they have found at the University of Nebraska at Lincoln. Read the full report here.

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