Nitrogen Fertilizer

Corn field at sunset
In a new user-friendly format, UNL's updated nitrogen tool is now accessible via mobile devices, for use anywhere on the farm.

University Releases Web-based Nitrogen Management Tool for Corn Growers

December 13, 2023
Available now on CropWatch, the web-based tool allows users to input data for individual fields to help fine-tune their nitrogen applications, and maximize yield and profitability.

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Researcher kneels in field to gather sample

2024 Soils School to Feature Fundamentals of Soils and Nutrient Management

November 29, 2023
During the two-day school in February, leading experts from the University of Nebraska will present research-based recommendations of primary crop nutrients, including nitrogen, phosphorus and potassium.

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Pivot Bio test field satellite imagery

Growing Results: Pivot Bio Proven 40

October 18, 2023
An on-farm study in Dawson County is evaluating the impact of Pivot Bio's Proven 40 across a range of nitrogen rates.

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Nitrogen Management Decisions Finalized in 2023 Competitions

September 13, 2023
A summary of the nitrogen (N) decisions made in each 2023 TAPS competition and some conclusions derived from the decisions.

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Ron and Brad Makovicka standing in field

Growing Results: Nitrogen Fertilization in Soybeans

August 25, 2023
Learn about the Makovickas' 2023 on-farm research, which includes studying how soybeans in high-yield environments respond to supplemental nitrogen.

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Software field imagery

Growing Results: Nitrogen Management in Corn

July 27, 2023
Learn about current on-farm research efforts by a central Nebraska producer that aim to identify the impact of nitrogen rates on net return.

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Burnt radicle

Fertilizer-nitrogen Injury to Corn

May 17, 2023
Nebraska Extension recommendations on minimizing crop injury from anhydrous ammonia applications.

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Tractor spraying soil
For producers planting corn-on-corn this growing season, Nebraska Extension encourages taking soil samples to determine accurate nitrate levels and adjusting N application rates accordingly, as there may be considerable amounts of residual nitrogen left from the previous corn crop.

Understanding Soil Residual Nitrogen and its Dollar Value for Next Crop

March 14, 2023
For producers planning corn-on-corn this growing season, there may be a substantial opportunity to reduce nitrogen fertilizer applications, as drought and reduced yields likely left higher-than-normal residual N in many fields.

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