Research Projects - Land Management

2025

Optimizing Planting Methods for Cover Crops Before Corn: Comparison of Precision Planting and Strip Tillage to Achieve Nutrient Loss Reduction and Maintain Yield
Investigators:
Alison Robertson, Rashelle Matthiesen, Peter O'Brien
Effect of Winter Cereal Rye Cultivar Selection and Herbicide Choice on Seedling Disease, Pathogen Populations, Nitrogen Dynamics and Growth and Yield of Corn - Year 3
Investigators:
Alison Robertson, Marshall McDaniel, Silvina Arias, Meaghan Anderson
Legacy Phosphorus Storage and Remobilization in a Dynamic Floodplain
Investigators:
Peter L. Moore, Sara W. McMillan, Thomas Isenhart
Making Prairie Practical: Expanding Flexibility in Planting Methods for Retired Marginal Lands and Edge-of-field Nutrient Reduction Practices
Investigators:
Laura Jackson, Justin Meissen

2020

Completing Three Corn-Soybean Rotation Cycles for Ongoing Research on Impacts of Cover Crops on Phosphorus and Nitrogen Loss with Surface Runoff
Investigators:
Antonio Mallarino, Rick Cruse, John Sawyer
Field Trials to Evaluate N Export from Perennial Groundcover Corn Systems
Investigators:
Raj Raman

2019

Evaluating the Potential for Drainageways to Serve as Test Sites for Innovative Grass Waterway Designs
Investigators:
Keith Schilling, Matthew Streeter, Joshua Henik, Marty St. Clair
Impacts of Cover Crops on Phosphorus and Nitrogen Loss with Surface Runoff 2019
Investigators:
Antonio P. Mallarino, Richard M. Cruse, John E. Sawyer
Improving Outcome Predictability, Multifunctionality and Cost-effectiveness in Nutrient Reducing Prairie Strips
Investigators:
Justin Meissen
Interseeding Grass and Legume Cover Crops into Early Vegetative Stage Corn
Investigators:
Mark Licht, Micheal Witt, Angie Rieck-Hinz, Rasel Parvej
Perennial Turfgrass Cover Crops in Maize Production Systems
Investigators:
Shuizhang Fei, Kenneth Moore, Andrew Lenssen, Allen Chen

2018

Enhancing the Value of Cover Crops through Integration of Row Crop and Cattle Enterprises
Investigators:
Dan Loy, Erika Lundy, Denise Schwab, Rebecca Vittetoe
Influence of Spatial Planting Arrangement of a Winter Cereal Rye Cover Crop on Corn Productivity
Investigators:
Alison Robertson , Andy Lenssen, Tom Moorman

2017

Amounts and Forms of Dissolved Phosphorus Lost with Surface Runoff as Affected by Phosphorus Management and Soil Conservation Practices
Investigators:
Antonio Mallarino, Mazhar U. Haq
Improving the Effectiveness of Conservation Programs through Innovative Reverse Auctions and Sensible Enrollment Restrictions
Investigators:
Wendong Zhang, Gregory Howard
Water Quality Evaluation of Prairie Strips Across Iowa
Investigators:
Matthew Helmers, Lisa Schulte Moore, Matt Liebman

2016

Building Cost-Effective Prairie for Multiple Nutrient Reduction Practices
Investigators:
Justin Meissen, Ashley Kittle

2015

Linking Nutrient Reduction Practices with Biomass Energy: Quantifying Thermal Energy Demand and Supply Capacity for Representative Farms in Eastern Iowa
Investigators:
Laura Jackson, Kamyar Enshayan
Utilizing Beef Stocker Cattle to Enhance the Value of Cover Crops
Investigators:
Mahdi Al-Kaisi, David Kwaw-Mensah
Water Quality Performance of Prairie Strips
Investigators:
Matthew Helmers, Todd Sutphin, Anthony Seeman

2014

Developing Remote Sensing Protocols for Inventory of Permanent Vegetative Practices
Investigators:
James Giglierano, Amy Logan, Sarah Porter, David James, Thomas Isenhart
Drainage Water Quality Impacts of Current Future Agricultural Management Practices
Investigators:
Matthew Helmers, Michelle Soupir, Antonio Mallarino, Carl Pederson
Phosphorus Loss from Ephemeral Gully Formation and Sediment Transport
Investigators:
Richard M. Cruse, Eric Hurley, Antonio Mallarino, Matthew Helmers

2013

Nonpoint Source Nitrogen and Phosphorous Loads at Implementation Scale: Direct Agricultural Nutrient Loads to Surface Waters in Relation to Land Use and Management
Investigators:
William Crumpton, Matthew Helmers, Keith Schilling, Mark Tomer, Antonio Mallarino