Publications by authors named "Matthew Helmers"

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Iowa learning farms: Utilizing research to develop and deliver extension outreach programs across multiple constituencies.
Mark A Licht, Jacqueline Comito, Matthew J Helmers, Elizabeth Ripley, Ann Staudt

J Environ Qual· May 2025

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Modeling Wetland Resources for Spring Migratory Waterbirds Under Different Agricultural Management Scenarios in the Iowa Portion of the Prairie Pothole Region, USA.
Mark E Mitchell, Michael J Anteau, Aaron T Pearse, Tammy Newcomer-Johnson, Jay Christensen, Matthew Helmers

Wetlands (Wilmington)· April 2025

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The optimum nitrogen fertilizer rate for maize in the US Midwest is increasing.
Mitchell E Baum, John E Sawyer, Emerson D Nafziger, Michael J Castellano, Marshall D McDaniel, Matthew J Helmers

Nat Commun· January 2025

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Insights on agricultural nitrate leaching from soil block mesocosms.
Holly Loper, Carlos Tenesaca, Carl Pederson, Matthew J Helmers, William G Crumpton

J Environ Qual· July 2024

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U.S. cereal rye winter cover crop growth database.
Alexandra M Huddell, Resham Thapa, Guillermo S Marcillo, Lori J Abendroth, Victoria J Ackroyd, Matthew J Helmers

Sci Data· February 2024

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A review of ecosystem services from edge-of-field practices in tile-drained agricultural systems in the United States Corn Belt Region.
Mark E Mitchell, Tammy Newcomer-Johnson, Jay Christensen, William Crumpton, Brian Dyson, Matthew Helmers

J Environ Manage· December 2023

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Improving model capability in simulating spatiotemporal variations and flow contributions of nitrate export in tile-drained catchments.
Peiyu Cao, Chaoqun Lu, William Crumpton, Matthew Helmers, David Green

Water Res· October 2023

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Poorly drained depressions can be hotspots of nutrient leaching from agricultural soils.
Steven J Hall, Carlos G Tenesaca, Nathaniel C Lawrence, David I S Green, Matthew J Helmers

J Environ Qual· May 2023

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Potential of water quality wetlands to mitigate habitat losses from agricultural drainage modernization.
Mark E Mitchell, Tammy Newcomer-Johnson, Jay Christensen, William Crumpton, Shawn Richmond, Matthew Helmers

Sci Total Environ· September 2022

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Stacked conservation practices reduce nitrogen loss: A paired watershed study.
Ji Yeow Law, Leigh Ann Long, Amy Kaleita, Matthew Helmers, Conrad Brendel

J Environ Manage· January 2022

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Impact of stacked conservation practices on phosphorus and sediment export at the catchment scale.
Ji Yeow Law, Conrad Brendel, Leigh Ann Long, Matthew Helmers, Amy Kaleita

J Environ Qual· November 2020

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High-frequency, in situ sampling of field woodchip bioreactors reveals sources of sampling error and hydraulic inefficiencies.
Bryan M Maxwell, François Birgand, Louis A Schipper, Greg Barkle, Aldrin A Rivas, Matthew J Helmers

J Environ Manage· October 2020

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Influence of no-till and a winter rye cover crop on nitrate losses from tile-drained row-crop agriculture in Iowa.
Emily R Waring, Ainis Lagzdins, Carl Pederson, Matthew J Helmers

J Environ Qual· March 2020

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Midwestern cropping system effects on drainage water quality and crop yields.
Brian W Dougherty, Carl H Pederson, Antonio P Mallarino, Daniel S Andersen, Michelle L Soupir, Matthew J Helmers

J Environ Qual· January 2020

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Drying-Rewetting Cycles Affect Nitrate Removal Rates in Woodchip Bioreactors.
Bryan M Maxwell, François Birgand, Louis A Schipper, Laura E Christianson, Shiying Tian, Matthew J Helmers

J Environ Qual· January 2019

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Catchment-scale Phosphorus Export through Surface and Drainage Pathways.
Conrad E Brendel, Michelle L Soupir, Leigh Ann M Long, Matthew J Helmers, Charles D Ikenberry

J Environ Qual· January 2019

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Beyond the nutrient strategies: Common ground to accelerate agricultural water quality improvement in the upper Midwest.
Reid Christianson, Laura Christianson, Carol Wong, Matthew Helmers, Gregory McIsaac

J Environ Manage· January 2018

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Prairie strips improve biodiversity and the delivery of multiple ecosystem services from corn-soybean croplands.
Lisa A Schulte, Jarad Niemi, Matthew J Helmers, Matt Liebman, J Gordon Arbuckle

Proc Natl Acad Sci U S A· October 2017

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Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized.
Hanna J Poffenbarger, Daniel W Barker, Matthew J Helmers, Fernando E Miguez, Daniel C Olk

PLoS One· August 2017

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Subsurface Drainage Nitrate and Total Reactive Phosphorus Losses in Bioenergy-Based Prairies and Corn Systems.
Aaron L M Daigh, Xiaobo Zhou, Matthew J Helmers, Carl H Pederson, Robert Horton

J Environ Qual· September 2015

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Comparing nitrate sink strength in perennial filter strips at toeslopes of cropland watersheds.
David C Mitchell, Xiaobo Zhou, Timothy B Parkin, Matthew J Helmers, Michael J Castellano

J Environ Qual· January 2015

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The impact of prairie strips on aphidophagous predator abundance and soybean aphid predation in agricultural catchments.
Rachael Cox, Matthew O'Neal, Rene Hessel, Lisa A Schulte, Matthew Helmers

Environ Entomol· October 2014

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Effects of vegetation cover of natural grassland on runoff and sediment yield in loess hilly region of China.
Xining Zhao, Xiaoli Chen, Jun Huang, Pute Wu, Matthew J Helmers

J Sci Food Agric· February 2014

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Field-level financial assessment of contour prairie strips for enhancement of environmental quality.
John C Tyndall, Lisa A Schulte, Matthew Liebman, Matthew Helmers

Environ Manage· September 2013

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Impact of system management on vegetative treatment system effluent concentrations.
Daniel S Andersen, Robert T Burns, Lara B Moody, Matthew J Helmers, Brad Bond

J Environ Manage· August 2013

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