Nutrient Management

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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Wheat field exhibiting symptoms of sulfur deficiency.
Figure 1. Areas of yellow wheat on slopes in a field in Nuckolls County on April 27, 2010, typical of sulfur deficiency.

Addendum to May 11 Wheat Disease Update

May 14, 2018
To differentiate sulfur deficiency from nitrogen deficiency in wheat, look for field patterns. Symptoms of yellowing limited to certain areas is more typical of sulfur deficiency. In addition, symptoms of sulfur deficiency are more conspicuous when soil temperatures are cold as in early spring.

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What’s New with K Fertilizer Use?

April 5, 2018
Three studies with a total of 50 trials applying K at various rates to corn verified that the likelihood of a profitable response is very low if the soil test level is above 125 ppm.

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Nutrient Management for Organic Production

April 5, 2018
The NebGuide, Nutrient Management in Organic Farming, features information also of value to conventional production, including manure management, composting, non-traditional products, and crop rotation suggestions.

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N losses

Managing Nitrogen to Reduce Losses as Nitrous Oxide

September 18, 2017
Nitrogen is a key factor in farm management and economics. One of the most expensive inputs for corn production, it can be easily lost to the environment. One avenue for losing N, as nitrous oxide, has an impact on our climate as a greenhouse gas. Successful strategies for reducing N losses, especially as nitrous oxide, benefit both farmers and the environment.

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