Upcoming Events
Please email warren@mawrc.org to register for the 2024 Minnesota 4R Field Day
Past Events
2024 Nutrient Management Conference
2023 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
2023 Nutrient Management Conference
2022 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
2022 Nutrient Management Conference 2021 Nutrient Management Conference
2021 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
2020-2021 Discovery Farms® Virtual Conference Series
December 2, 2020 - Mitigating climate change through the soil carbon sponge
December 9, 2020 Edge-of-field water quality and how it can help us in a changing climate
December 16, 2020 Latest resources on soil health
January 6, 2021 Groundwater protection rule and how it affects farming and N management
January 13, 2021 Tile drainage in Minnesota and Wisconsin: What we know from edge-of-field monitoring and practical management implications for farmers
January 20, 2021 Rules and tools about manure
January 27, 2021 Applying skills we’ve learned
2020 4R Nutrient Stewardship Certification Program
2020 Virtual 4R Technology Filed Day
Presentations from the 2020 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
Importance of Urban and Non-Urban Nutrient Reductions
Katrina Kessler, Minnesota Pollution Control Agency
Modeling the Cost-Effectiveness of Practices to Reduce Watershed Nutrient Loads
Bill Lazarus, University of Minnesota
Evaluating N Stabilizers
R. Jay Goos, North Dakota State University
Recent Findings in N Management Research
Brad Carlson, University of Minnesota
Irrigation and Nitrogen Management for Profitable Corn Production and Groundwater Quality Protection
Vasu Sharma, University of Minnesota
Where Do U of M Recs Come From? N Calculator Updates
Dan Kaiser, University of Minnesota
Minnesota's Nutrient Reduction Strategy - Progress Toward Milestone Goals
Glenn Skuta, Minnesota Pollution Control Agency
Minnesota's Groundwater Protection Rule Update
Larry Gunderson, Minnesota Department of Agriculture
Cover Crops, N Additions, and Soil Health
Anna Cates, University of Minnesota
Urea and Urea Additives
Karina Fabrizzi, University of Minnesota
Presentations from the 2020 Nutrient Management Conference
Importance of Urban and Non-Urban Nutrient Reductions
Dana Vanderbosch, Minnesota Pollution Control Agency
Farmers Working To Reduce Nutrient Losses
AJ Krusemark, Brian Biegler, & Dan Coffman
Minnesota's Nutrient Reduction Strategy - Progress Toward Milestone Goals
Glenn Skuta, Minnesota Pollution Control Agency
Urban Efforts to Reduce Nutrient Pollution
Dana Vanderbosch, Minnesota Pollution Control Agency
Potential for Cover Crops to Improve Nutrient Use Efficiency
Axel Garcia y Garcia, University of Minnesota
Tile Drainage, Cover Crops and Nitrogen Interactions
Jeffrey Vetsch, University of Minnesota
Looking at Soil Health Tests
Anna Cates & Liz Stahl, University of Minnesota
Evaluating Biologicals
Dan Kaiser, University of Minnesota
Updating MN's P Index
Lindsay Pease, University of Minnesota
Liquid Swine Manure - A Viable Nutrient Source for Sidedressing Corn
Melissa Wilson, University of Minnesota
Presentations from the 2019 Nutrient Management Conference
Phosphorus Management Challenges Confronting the US
Dr. Heidi Peterson, International Plant Nutrition Institute
Get the Most Out of Sulfur Application by Applying at the Right Time
Dr. Dan Kaiser, University of Minnesota
Residue Management and Potential Effects on P Availability in a Continuous Corn System
Dr. Paulo Pagliari, University of Minnesota
Phosphorus Management and Water Quality
Dr. Lindsay Pease, University of Minnesota
Lessons Learned from Spring Creek Farms
Tim Radatz, MAWRC
Evaluation of the Haney Soil Health Test as a Corn Nitrogen Management Tool
Dr. Matt Yost, Utah State University
Irrigation and Nitrogen Management
Dr. Vasudha Sharma, University of Minnesota
Managing Micronutrients for Soybeans
Dr. Dorivar Ruiz-Diaz, Kansas State University
Presentations from the 2019 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
An Industry Perspective on Nitrogen: Beginning with 4R Nutrient Stewardship
Dr. Tai Maaz, International Plant Nutrition Institute
NUE and Potential Environmental Outcomes Associated with N Application Timing
Dr. Carrie Laboski, University of Wisconsin-Madison
Managing Corn for High Yield and Environmental Stewardship While Controlling Costs
Dr. Jeff Coulter, University of Minnesota
N loss from Midwest cropping systems: What can we do about it?
Dr. Dan Jaynes, USDA ARS, Ames, IA
Urea Fertilizer Do's and Don'ts
Dr. Fabian Fernandez, University of Minnesota
Improving Nitrogen Mineralization Predictions
Dr. Jason Clark, South Dakota State University
Soil Health and Implications for Nitrogen Management
Dr. Anna Cates, University of Minnesota
Nitrogen Management with Manure
Dr. Melissa Wilson, University of Minnesota
Presentations from the 2018 Nutrient Management Conference
Reducing Runoff Phosphorus Losses from Farmland - Matching Causes with Cures
Dr. Don Flaten, University of Manitoba
In-Season Nitrogen Application - Yes, No, or Maybe?
Dr. Emerson Nafziger, University of Illinois
Phosphorus Management: Past, Present, and Beyond; What we Know, What we Need to Know
Dr. Paulo Pagliari, University of Minnesota
Corn and Soybean Yields as Affected by Soil Test P and Fertilization Philosophy
Jeffery Vetsch, University of Minnesota
Discovery Farms - Edge-of-Field Phosphorus Losses in Surface Waters and Tile Drainage
Tim Radatz, Minnesota Agricultural Water Resource Center
Sulfur Fertilization- Why, When and How
Dr. Dave Franzen, North Dakota State University
Nitrogen Best Management Practices for Corn
Dr. Fabian Fernandez, University of Minnesota
Managing Nutrients in Manure
Dr. Melissa Wilson, University of Minnesota
Presentations from the 2018 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
University Guidelines in Tandem with On-Farm Testing to Improve Profitability and Water Quality
Dr. Howard Brown, Illini FS
Drainage Water Quality Research and the Role it Plays in State Level Nutrient Reduction Strategies
Dr. Matt Helmers, Iowa State University
Cover Crops: Where Does the Nitrogen Go?
Dr. Matt Ruark, University of Wisconsin
Impact of Nitrogen Management on NUE and Water Quality
Dr. Fabian Fernandez, University of Minnesota
Managing Nitrogen In Manure
Dr. Melissa Wilson, University of Minnesota
Nitrogen Source as an Important Best Management Decision
Dr. Alan Blaylock, Agrium Inc.
Opportunities and Challenges Associated with Integration of Variable Rate Nitrogen and Irrigation Applications
Dr. Tim Shaver, University of Nebraska
Effects of Fertilizer Timing and Variable Rate N on Nitrate-N Losses from Tile Drained Corn/Soybean Rotation Simulated Using Drainmod-NII
Dr. David Mulla, University of Minnesota
Presentations from the 2017 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
2016 Year in Review - Weather Summary
Dave Nicolai, University of Minnesota
2016 Year in Review - Pest Update
Dr. Bruce Potter, University of Minnesota
Crop Yield and N Management Tools: Promise and Pitfalls
Dr. Jim Schepers, USDA-ARS & University of Nebraska
Nitrous Oxide Emissions from Fertilized Soil: Can We Manage It?
Dr. Rod Venterea, USDA-ARS & University of Minnesota
Nitrates in Tile Drainage - The Indiana Situation
Dr. Shalimar Armstrong
Nitrates, Well Testing and Rules - Where is this all Heading?
Larry Gunderson, Minnesota Department of Agriculture
Upgrade your Corn N Management Using Precision Ag
Dr. Newel Kitchen, USDA-ARS & University of Missouri
Nitrogen Cycle and Soil Water Balance Components for Continuous Corn in Southwest Minnesota
Dr. Jeff Strock, University of Minnesota
In-Season Split Nitrogen Management and the Role of Soils Testing
Dr. Fabian Fernandez
Presentations from the 2017 Nutrient Management Conference
Fertilizer Recommendations Update
Dr. Dan Kaiser, University of Minnesota
Agronomics and Economics of Precision Nutrient Management Zones
Dr. Raj Khosla, Colorado State University
Potato Industry Fertilizer Conservation Efforts
Nick David, RDO Agronomist
Nitrogen Management in Irrigated Crops
Rick Gilbertson, Pro Ag Crop Consultants, Inc.
Improved Productivity with In-Season Nitrogen Management
Dr. Fabian Fernandez
Nitrogen Management for First and Second Year Corn Following Alfalfa
Dr. Jeff Coulter, University of Minnesota
Keeping Track of Fertilizer and Soil and Plant Amendment Registrations
Dr. Jeppe Kjaersgaard, Minnesota Department of Agriculture
Nitrates, Well Testing and Rules - Where is this all Heading?
Larry Gunderson, Minnesota Department of Agriculture
Presentations from the 2016 Nutrient Management Conference
In-Season N Predictions: The Modeling Approach
Carrie Laboski, Pd.D., CPSS, Professor & Extension Soil Fertility/Nutrient Management Specialist
Department of Soil Science, University of Wisconsin-Madison
In-Season Nitrogen Prediction: The Sensing Approach
Daniel Kaiser, Associate Professor
Department of Soil, Water and Climate, University of Minnesota - Twin Cities
Chemistry of N Fertilizer Additives
Dave Franzen, Ph.D., Professor of Soil Science, Extension Soil Specialist
North Dakota State University
Cover Crops and Nitrogen in Water
Tom Kaspar
USDA-ARS, National Laboratory for Agriculture and the Environment - Ames, IA
Soil pH and Liming Needs in Minnesota
Jeffery Vetsch, Research 4 and Soil Scientist
University of Minnesota, Southern Research and Outreach Center
Mechanisms of Nutrient Uptake: Is Fertilization Enough?
Fabián Fernández, Nutrient Management & Water Quality Specialist
Department of Soil, Water and Climate, University of Minnesota
Phosphorous Leaving Our Landscapes
Tim Radatz
Discovery Farms Wisconsin & Discovery Farms Minnesota
Economic Use of Immobile Nutrients
T. Scott Murrell, Director, North American Programs
International Plant Nutrition Institute
Nitrate in Our Drinking Water -- What 10,000 Wells are Telling Us
Bruce Montgomery
MN Department of Agriculture
Presentations from the 2016 Nitrogen: Minnesota's Grand Challenge & Compelling Opportunity Conference
Climate Trends and Their Implications
Dr. Mark Seeley
Department of Soil, Water and Climate, University of Minnesota Extension
Will Changing Weather Patterns Affect Nitrogen Management?
Gyles Randall, Professor Emeritus
University of Minnesota
Nitrogen Use Efficiency for Old vs. Modern Corn Hybrids
Ignacio Ciampitti, Cropping Systems Specialist
K-Sate Research & Extension, Kansas State University
Cover Crops & Nitrogen Management
Jaimie West, MS, CCA
Department of Soil Science, University of Wisconsin-Madison
Improved Nitrogen Efficiency Through N Source, Additives, and Time of Application
Jeffrey Vetsch
Southern Research and Outreach Center, University of Minnesota
In-Season N Predictions Using Canopy Sensors
Daniel Kaiser, Associate Professor
Department of Soil, Water and Climate, University of Minnesota Twin Cities
Nitrogen Loss in Manured Systems
Amber Radatz
Discovery Farms Wisconsin
Anhydrous Ammonia, Soil, & CEC: Myths and Management
Fred Vocasek, Senior Lab Agronomist
Servi-Tech Laboratories
Nitrate in Our Drinking Water: What 10,000 Wells Are Telling Us
Bruce Montgomery
MN Department of Agriculture
Presentations from the 2015 Crop Nutrient Management Conference
2015 Crop Nutrient Management Conference Agenda
Morning Session
History of Improvement in Fertilizer Use Efficiency
Dr. Bob Hoeft, Emeritus Professor
University of Illinois
What's Ahead for Fertilizer Pricing and Supply?
Andy Jung, Director of Market and Strategic Analysis
The Mosaic Company
Rate of Change in Soil Test Values for P and K
Dr. George Rehm, Discovery Farms Coordinator
Minnesota Agricultural Water Resource Center
Agronomy with $3.00 Corn
Dr. Jeff Coulter, Extension Corn Specialist
Dept. of Agronomy and Plant Genetics, University of Minnesota
Afternoon Session 1
Planning for In-Season Nitrogen Application
Dr. Fabian Fernandez, Nutrient Management & Water Quality Specialist
Dept. of Soil, Water, and Climate, University of Minnesota
Sensing for In-Season Nitrogen Needs
Dr. Jim Schepers, Soil Scientist
USDA/ARS - Lincoln, Nebraska
Current Technology for Predicting In-Season Nitrogen Rates
Dr. Dan Kaiser, Associate Professor
Dept. of Soil, Water, and Climate, University of Minnesota
Afternoon Session 2
Nitrogen Credits for Manure and Soil Organic Matter
Jeff Vetsch, Assistant Scientist
Southern Research & Outreach Center, University of Minnesota
Recent Research for Nitrogen Credits for Alfalfa
Dr. Jeff Coulter, Extension Corn Specialist
Dept. of Agronomy and Plant Genetics, University of Minnesota
Changing Weather: Effects on Fertilizer Management
Dr. Mark Seeley, Professor
Dept. of Soil, Water, and Climate, University of Minnesota
Afternoon Session 3
Micronutrient Requirements
Dr. Antonio Mallarino, Professor
Department of Agronomy, Iowa State University
Nutrient Dynamics with Cover Crops
Dr. Matt Ruark, Assistant Professor
Department of Soil Science, University of Wisconsin
Effective Additives for Improving Fertilizer Use Efficiency
Dr. Dave Franzen, Extension Soil Specialist
Soil Science, North Dakota State University