4Rs Nutrient Stewardship Field Day featured nutrient management and water quality research


Lincoln, Neb. -The University of Nebraska–Lincoln 2022 4Rs Nutrient Stewardship Field Day to Center for Research, Extension and Education of Eastern Nebraska July 19 featured knowledge and tools on improving nutrient management and water quality through research and demonstrations. 64 participants attended, including BDNI staff, growers, crop consultants, extension educators, graduate students, faculty, industry representatives and other customers.

Nitrogen certification was also provided to farmers in the Lower Platte North Natural Resource District.

The 4Rs are an approach to nutrient management and water stewardship that emphasizes using fertilizers with the right source, rate, time, and placement. This science-based approach focuses on best nutrient management practices and sustainable agricultural production with increased crop yield and farmer profits while protecting the environment.

Douglas ZaleskyENREEC director and keynote speaker, welcomed participants and shared potential research and outreach opportunities at ENREEC.

The following topics were presented:

  • Javed Iqbal, Assistant Professor in the Department of Agronomy and Horticulture and specialist in soil nutrient management and water quality, presented updated research on nitrogen source management and nitrogen using publicly available nitrogen recommendation tools.
  • Nathan MüllerNebraska Extension, an educator in water and integrated cropping systems, shared research-based recommendations on sulfur management to improve corn and soybean yield.
  • Guillermo BalboaAssistant Research Professor in the Cropping Systems Department of Agronomy and Horticulture, shared the results of on-farm research from the SENSE project to improve corn nitrogen use efficiency in Nebraska.
  • Mechanized Systems Management graduate student Taylor Cross, Higher Agricultural Education major Kelsey Swantek, and Sentinel Fertigation Tool Specialist James Herrick demonstrated the use of fertigation technology to improve plant utilization efficiency. nitrogen in corn.
  • Iqbal, Muller and Aaron Nygreneducator in water and integrated cropping systems at the Nebraska Extension, demonstrated the use of improved efficiency fertilizers to protect nitrogen and reduce nitrogen loss in corn.

Participants responded to a survey and agreed that up-to-date research-based information would help improve nutrient management and add value to the producer’s farm.

Iqbal organized and led the 4Rs Nutrient Stewardship field day. Other contributors included lucky joeAssociate Professor of Biological Systems Engineering and Associate Director ENREEC, Nygren, Mueller, GIS Specialist Suresh Pradhyun Kashyap, Postdoctoral Fellow Swetabh Patel, Event Coordinator Connie Hansen, Agricultural Research Technician Tyler Smith, ENREEC staff and graduate students Keslie Swantek, Jackson Stansell, Taylor Cross and Jose Guilherme Pereyra Pinto.

For more information on 4R Nutrient Management, contact Javed Iqbal at [email protected]


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