Nitrogen Fertilizer

Considerations for Fall Fertilizer-Nitrogen Application

October 30, 2019
Fall fertilizer applications offer cost savings and time management benefits, but also may contribute to increased soil nitrate-N leaching. With Nebraska's high soil moisture levels, consider these suggestions when applying nitrogen this fall.

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The Science Behind 50-degree Soil and Nitrogen Application

October 8, 2019
From Water.unl.edu: When applying anhydrous or an ammonia-rich manure, wait until soils start to cool. Soil temperature affects how quickly soil microbes will process ammonium nitrogen to nitrate.

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Chart showing corn yield response to various levels of nitrogen fertilizer

The Difference between Maximum Profit and Maximum Production

September 26, 2019
In this week's Cornhusker Economics Nebraska Extension Agricultural Economist Matt Stockton looks at corn yield response to N and provides an economic analysis of N application rates.

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Price adjustment graph for N in corn

Nutrient Management Suggestions for Corn Updated in EC117

July 9, 2019
The Nebraska Extension Circular, Nutrient Management Suggestions for Corn (EC117), has been updated to account for residual soil nitrate-N and provide an alternative for determining fertilizer-P rates.

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In-season nitrogen (UAN) is applied to corn in an on-farm research study. For fields with suspected nitrogen loss, on-farm research is a great way to evaluate in-season N rates and recommendation approaches. (Photo by Richard Ferguson)
In-season nitrogen (UAN) is applied to corn in an on-farm research study. For fields with suspected nitrogen loss, on-farm research is a great way to evaluate in-season N rates and recommendation approaches. (Photo by Richard Ferguson)

Does Your Corn Need Added Nitrogen? On-farm Research can Help Evaluate That

June 21, 2019
Knowing how much nitrogen (N) to apply to corn is challenging, especially in wet years, but on-farm research can help evaluate your N program to get the answers This article looks at several times of N trials conducted by other growers and invites you to learn how to set up your own trial yet this season.

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