Javed Iqbal - Extension Nutrient Management and Water Quality Specialist

Javed Iqbal

faculty

Asst Professor Agronomy & Horticulture University of Nebraska–Lincoln

Work Keim Hall (KEIM) 312

Lincoln NE 68583-0915

Work 402-472-1432 On campus, dial 2-1432

javed.iqbal@unl.edu

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Faculty Bio
Introduction in CropWatch

Nathan Mueller speaking in corn field — Nathan Mueller, Nebraska Extension water and integrated cropping systems educator, speaks to participants during the 2023 4Rs Nutrient Stewardship Field Day.

Nebraska 4Rs Nutrient Stewardship Field Day Featured Crop Nutrient Management Research

September 13, 2023

Throughout the field day, educators shared insights and conducted live demos on optimizing management of nitrogen, phosphorus and potassium, including via sensor-based fertigation.

Fertilizer-nitrogen Injury to Corn

May 17, 2023

Nebraska Extension recommendations on minimizing crop injury from anhydrous ammonia applications.

4Rs Field Day tent — Nitrogen management with sensor-based fertigation is one of many topics that will be discussed by experts from the University of Nebraska-Lincoln and Iowa State University during the 2023 4Rs Nutrient Stewardship Field Day.

Nebraska 4Rs Nutrient Stewardship Field Day Set for July 6

April 27, 2023

This year’s 4Rs Field Day will focus on up-to-date research information and demonstrations on all three major crop nutrients: nitrogen, phosphorus and potassium.

Alfalfa and corn fields — As it aggressively scavenges nitrogen in the soil, alfalfa can greatly reduce nitrate contamination of groundwater with no negative implications for future crops if planted in rotations.

Alfalfa in Rotation with Annual Crops Reduces Nitrate Leaching Potential and Increases Soil Organic Carbon Sequestration

March 30, 2023

This UNL research study provides insights on the rotation of annual crops with alfalfa as a highly effective means of reducing nitrate-nitrogen contamination in groundwater.

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.

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.

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.

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.