Nitrogen Management

Soil in field
Figure 1. Ammonia loss can be significant where the surface applied urea is not timely incorporated.

Interested in Testing Nitrogen Stabilizers on Your Farm?

January 19, 2021
Nutrient Management Specialist Javed Iqbal analyzes the use of fertilizer stabilizers to mitigate nitrogen fertilizer loss and increase productivity.

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Dr. Bijesh Maharjan standing in a field
Dr. Bijesh Maharjan is one of many specialists scheduled to present information during the 2021 Soils School in February.

Soils School to Feature Latest Strategies in Soil Management

January 4, 2021
The 2021 Soils School, set for Feb. 17-18, will provide research and Extension updates on the advanced application of the principles of soil management.

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snow covered manure
Manure application on frozen or snow-covered soil poses a higher risk of nutrient loss through runoff.

Tips for Winter Manure Application

December 2, 2020
A blanket of fresh white snow and icicles hanging from the trees and fences make for beautiful winter photos. They don’t, however, make for beautiful manure application weather.

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Dry Conditions Make Irrigation and Nitrogen Decisions Critical in TAPS Competition

November 10, 2020
In a stark contrast to 2019, this year’s growing season was drastically drier which meant that participants in the Testing Ag Performance Solutions (TAPS) program had to focus more attention on their irrigation and nitrogen management decisions this year.

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Plowing a field
Anticipated high residual soil nitrate-N levels in NE rainfed crops of dry 2020 can be credited to reduce N rates for 2021

Planning 2021 Fertilizer-N Application Following a Dry 2020

October 6, 2020
Fertilizer-N is a big investment for crop production in Nebraska and elsewhere. After harvest, growers tend to plan their fertilizer-N management for the next year’s crop. But the question is how much nitrogen can they apply to get the most profit from their fertilizer-N investment?

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chart showing results of wheat trials

Improving Nitrogen Management in Dryland Winter Wheat Production

September 3, 2020
Over the past two years of the study across multiple locations, we found that yield response to applied N rates was evident only in the wet year.

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Rye in continuous corn
Rye in continuous corn April 19, 2018 at the Eastern Nebraska Research and Education Center near Mead.

How Much Nitrogen Does My Cover Crop Take Up and When Do I Get It Back?

August 27, 2020
Biomass production, N uptake, and C:N ratio vary widely across the United States. The N in cover crop biomass will be released within a few weeks after termination, however, decomposition varies with soil moisture, soil temperature and C:N ratios.

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