Thursday, July 9, 2025
August N. Christenson Research and Education Building
Eastern Nebraska Research, Extension and Education Center
Ithaca, NE
Registration is required for participation.
About
This FREE event on 4Rs of Nutrient Stewardship features knowledge and tools to improve nutrient management, soil health, crop yields and water quality. This is a great opportunity to learn about 4Rs strategies to improve crop yield and profits while protecting the environment.
Earn 4.5 CEUs on Nutrient Management.
Attendance counts toward Lower Platte North NRD Nitrogen Certification.
2025 Agenda
8:30 – 9 am: Registration and light breakfast (provided)
9 am – Noon: Morning Sessions
9 – 9:05 am: Introduction – Javed Iqbal, Assistant Professor of Soil Nutrient Management and Water Quality, Department of Agronomy and Horticulture, University of Nebraska–Lincoln
9:05 – 9:20 am: Remarks on 4Rs Practices– Corteva Agriscience
9:20 – 9:30 am: Scratch Card Questions (pre-session) – Aaron Nygren, Water & Integrated Cropping Systems Extension Educator, University of Nebraska–Lincoln
9:30 – 10 am: In-season Nitrogen Management – Richard Ferguson, Professor of Soil and Water Sciences, Department of Agronomy and Horticulture, University of Nebraska–Lincoln
10 – 10:30 am: Smart Nitrogen Solutions: Performance of Enhanced Efficiency Fertilizers – Javed Iqbal
10:30 – 10:40 am: Break
10:40 – 11:10 am: Sensor-based Fertigation – Jackson Stansel and James Herrick, Sentinel Ag Technology
11:10 – 11:40 am: 100+ Trials, Five Years, Four Technologies, One Goal: Boosting Profits and Nitrogen Efficiency in Nebraska – Guillermo Balboa, Research Assistant Professor, Department of Agronomy and Horticulture, University of Nebraska–Lincoln
11:40 am – 12:10 pm: Demonstration of UNL Nitrogen Recommendation Tool – Javed Iqbal and Aaron Nygren.
12:10 – 12:20 pm: Scratch Cards Questions (post-session) – Aaron Nygren
12:20 – 1 pm: Lunch (provided)
1 – 3 pm: Afternoon Session – Nutrient Management Demonstration in the field
Location A (1hr): Field Performance of Enhanced Efficiency Fertilizers – Javed Iqbal and Aaron Nygren
Location B (1hr): Sensor-Based Fertigation – Jackson Stansel and James Herrick, Sentinel Ag Technology
3 pm: Adjourn
4Rs Field Day Organizers
Coordinator:
Javed Iqbal, Extension Specialist and Assistant Professor of Agronomy
jiqbal2@unl.edu or 402-472-1432
Joe Luck, Professor of Biological Systems Engineering, Associate Director ENREC
Aaron Nygren, Nebraska Extension Water and Integrated Cropping Systems Extension Educator
Guillermo Balboa, Research Assistant Professor, Department of Agronomy and Horticulture
