Nutrient Management

Extending the Manure Application Window: Post Plant Experiences

May 21, 2020
Extending the window for manure application offers many possible advantages. One can reduce some of the labor and equipment challenges associated with busy spring application windows as well as deliver nutrients to the crop more closely timed to the crop’s nutrient’s needs.

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nitrogen fertilizer being applied to corn
Photo by Richard Ferguson

Tips for In-season Nitrogen Management in Corn

April 29, 2020
This spring conditions are good for pre-plant fertilizer, but there are still considerations that justify shifting more nitrogen application to in-season versus pre-plant.

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Two Nutrient Management Decision Tools Updated

April 16, 2020
Recently, two nutrient management tools produced by Nebraska Extension have been updated and are now available.

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Nebraska NRCS soil survey map of K-feldspar

Soil Potassium Availability: The Roles of Manure, Irrigation and Potassium Feldspar

December 17, 2019
Why do Nebraska soils tend to have high potassium (K) availability, even with high yields and often without fertilizer K application? Why are yield responses to fertilizer-K infrequent?

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Javed Iqbal
Javed Iqbal

Javed Iqbal Joins IANR Soil Science Team

September 13, 2019
Welcome to Javed Iqbal who recently joined the Department of Agronomy and Horticulture as an assistant professor for nutrient management and water quality. Iqbal will be conducting research and education on efficient uses of nutrients to enhance crop production and reduce environmental effects.

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Nutrient Management Issues for 2019

March 29, 2019
The impact on soil nutrient availability after the March snowmelt/heavy rainfall event is highly variable. The following describes what to consider in areas of little, moderate, and severe harmful effects.

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Field of wheat

UNL to Study Possible Link Between Wheat Protein Levels and Fertilizer

August 9, 2018
University researchers will be conducting a two-year study to see how grain quality, yield, and field stands are affected by nitrogen fertilizer rates and application timing. The trials will be conducted across the state and with variations in the amount of precipitation received.

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Irrigation in corn near a cattle feedlot with cattle
Irrigating diluted animal manures on growing crops can work if you ask the right questions. (Photo by Larry Howard)

Can I Irrigate Animal Manures On Growing Crops?

June 27, 2018
Recent heavy rains have many feedlot holding ponds full and operators looking for irrigation options to apply animal manure during the growing season. Here are some considerations for applying diluted animal manures without damaging the crop.

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