Javed Iqbal - Extension Nutrient Management and Water Quality Specialist

Javed Iqbal

faculty
Work Keim Hall (KEIM) 312
Lincoln NE 68583-0915
US
Work 402-472-1432 On campus, dial 2-1432

Faculty Bio
Introduction in CropWatch

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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Cornstalk sample cutting

Using a Cornstalk Nitrate Test to Evaluate Nitrogen Management Decisions

September 29, 2022
At the end of the season, a nitrate test can help determine whether the crop was under-, adequately or over-fertilized with nitrogen, resulting in the potential to significantly reduce input costs.

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Departure from normal precip 2022
Figure 1. Departure from normal precipitation during 2022 growing season in Nebraska.

Another Dry Year: What to Know About Leftover Nitrogen in Soil Following Dry Conditions

September 28, 2022
In irrigated or dryland areas with normal production, management practices may continue as normal, but for dryland areas with drastic yield reductions, there is potential for nitrogen fertilizer adjustment for the 2023 crop.

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4R field day attendees
Javed Iqbal, Department of Agronomy and Horticulture assistant professor and Extension soil nutrient management and water quality specialist, presents updated research on nitrogen source management, and nitrogen rate using publicly available nitrogen recommendation tools at the 2022 4Rs Nutrient Stewardship Field Day.

4Rs Nutrient Stewardship Field Day Featured Nutrient Management and Water Quality Research

August 2, 2022
The annual 4R Nutrient Stewardship Field Day featured research and tools on improving nutrient management, sulfur management, nitrogen use efficiency and more.

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Tractor planting

Considerations for Planting into Dry Conditions

April 12, 2024
As planting is critical for everything else that happens during the growing season, the dry conditions have led to a variety of questions this spring regarding soil conditions, planting depth, irrigation and herbicides.

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New UNL Manure Nitrogen Crediting Recommendations for Crop Fertility

April 4, 2022
This UNL Water article breaks down the new recommendations for crediting nitrogen following manure applications and how this will impact Nebraska growers.

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Considerations for In-season Nitrogen Management in Corn

March 30, 2022
Most areas in Nebraska likely haven't had significant nitrogen losses to already applied nitrogen, but unfavorable soil conditions during nitrogen application and precipitation in April could lead to additional losses.

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Tractor in field
By incorporating residual nitrate-nitrogen into the nitrogen fertilizer prescription, there is potential to substantially reduce fertilizer cost per acre.

Now is the Time to Use the Nutrients You are Banking in Your Soils

October 20, 2021
With the recent increase in fertilizer prices, it is more important than ever to use the right amount of fertilizer to maximize the economic returns. Applying too little or too much fertilizer can result in substantial economic loss.

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