Works matching AU Helmers, Matthew J.

Results: 43

Using biodiversity to link agricultural productivity with environmental quality: Results from three field experiments in Iowa.

Published in:

Renewable Agriculture & Food Systems, 2013, v. 28, n. 2, p. 115, doi. 10.1017/S1742170512000300

By:

Liebman, Matt;
Helmers, Matthew J.;
Schulte, Lisa A.;
Chase, Craig A.

Publication type:

Article

Methods to prioritize placement of riparian buffers for improved water quality.

Published in:

Agroforestry Systems, 2008, v. 75, n. 1, p. 17, doi. 10.1007/s10457-008-9134-5

By:

Tomer, Mark D.;
Dosskey, Michael G.;
Burkart, Michael R.;
James, David E.;
Helmers, Matthew J.;
Eisenhauer, Dean E.

Publication type:

Article

The optimum nitrogen fertilizer rate for maize in the US Midwest is increasing.

Published in:

Nature Communications, 2025, v. 16, n. 1, p. 1, doi. 10.1038/s41467-024-55314-7

By:

Baum, Mitchell E.;
Sawyer, John E.;
Nafziger, Emerson D.;
Castellano, Michael J.;
McDaniel, Marshall D.;
Licht, Mark A.;
Hayes, Dermot J.;
Helmers, Matthew J.;
Archontoulis, Sotirios V.

Publication type:

Article

Effects of vegetation cover of natural grassland on runoff and sediment yield in loess hilly region of China.

Published in:

Journal of the Science of Food & Agriculture, 2014, v. 94, n. 3, p. 497, doi. 10.1002/jsfa.6275

By:

Zhao, Xining;
Chen, Xiaoli;
Huang, Jun;
Wu, Pute;
Helmers, Matthew J

Publication type:

Article

Multiyear productivity and nitrate‐nitrogen loss from corn and prairie bioenergy cropping systems.

Published in:

Agronomy Journal, 2024, v. 116, n. 6, p. 3053, doi. 10.1002/agj2.21713

By:

Liebman, Matt;
Helmers, Matthew J.

Publication type:

Article

Novel Use of Conceptual Change Framework Improves Video on Challenging Science Topic.

Published in:

Journal of Extension, 2019, v. 57, n. 1, p. 1, doi. 10.34068/joe.57.01.20

By:

Helmers, Matthew J.;
Youngquist, Timothy D.;
Grudens-Schuck, Nancy

Publication type:

Article

Prairie Strips for Sediment and Nutrient Control and Biodiversity.

Published in:

Journal of Extension, 2017, v. 55, n. 1, p. 1, doi. 10.34068/joe.55.01.01

By:

Grudens-Schuck, Nancy;
Helmers, Matthew J.;
Youngquist, Timothy D.;
Johnson, Mark S.

Publication type:

Article

Perspectives of Extension Agents and Farmers Toward Multifunctional Agriculture in the United States Corn Belt.

Published in:

Journal of Extension, 2015, v. 53, n. 6, p. 21, doi. 10.34068/joe.53.06.02

By:

Doudna, John W.;
O'Neal, Matthew E.;
Tyndall, John C.;
Helmers, Matthew J.

Publication type:

Article

Increased Duration of Drying–Rewetting Cycles Increases Nitrate Removal in Woodchip Bioreactors.

Published in:

Agricultural & Environmental Letters, 2019, v. 4, n. 1, p. 1, doi. 10.2134/ael2019.07.0028

By:

Maxwell, Bryan M.;
Birgand, François;
Schipper, Louis A.;
Christianson, Laura E.;
Tian, Shiying;
Helmers, Matthew J.;
Williams, David J.;
Chescheir, George M.;
Youssef, Mohamed A.

Publication type:

Article

Subsurface Drainage Flow and Soil Water Dynamics of Reconstructed Prairies and Corn Rotations for Biofuel Production.

Published in:

Vadose Zone Journal, 2014, v. 13, n. 4, p. 1, doi. 10.2136/vzj2013.10.0177

By:

Daigh, Aaron L.;
Zhou, Xiaobo;
Helmers, Matthew J.;
Pederson, Carl H.;
Ewing, Robert;
Horton, Robert

Publication type:

Article

Soil Water Dynamics under Winter Rye Cover Crop in Central Iowa.

Published in:

Vadose Zone Journal, 2010, p. 18, doi. 10.2136/vzj2008.0163

By:

Zhiming Qi;
Helmers, Matthew J.

Publication type:

Article

Theme Overview: Agriculture and Water Quality in the Cornbelt: Overview of Issues and Approaches.

Published in:

Choices: The Magazine of Food, Farm & Resource Issues, 2007, v. 22, n. 2, p. 79

By:

Helmers, Matthew J.;
Isenhart, Thomas M.;
Kling, Catherine L.;
Moorman, Thomas B.;
Simpkins, William W.;
Tomer, Mark

Publication type:

Article

Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized.

Published in:

PLoS ONE, 2017, v. 12, n. 3, p. 1, doi. 10.1371/journal.pone.0172293

By:

Poffenbarger, Hanna J.;
Barker, Daniel W.;
Helmers, Matthew J.;
Miguez, Fernando E.;
Olk, Daniel C.;
Sawyer, John E.;
Six, Johan;
Castellano, Michael J.

Publication type:

Article

Canopy Chamber Measurements of Carbon Dioxide Fluxes in Corn and Soybean Fields.

Published in:

Vadose Zone Journal, 2018, v. 17, n. 1, p. 1, doi. 10.2136/vzj2018.07.0130

By:

Wang, Zhuangji;
Luo, Chenyi;
Sauer, Thomas J.;
Helmers, Matthew J.;
Xu, Liukang;
Horton, Robert

Publication type:

Article

Iowa learning farms: Utilizing research to develop and deliver extension outreach programs across multiple constituencies.

Published in:

Journal of Environmental Quality, 2025, v. 54, n. 3, p. 747, doi. 10.1002/jeq2.70008

By:

Licht, Mark A.;
Comito, Jacqueline;
Helmers, Matthew J.;
Ripley, Elizabeth;
Staudt, Ann

Publication type:

Article

Insights on agricultural nitrate leaching from soil block mesocosms.

Published in:

Journal of Environmental Quality, 2024, v. 53, n. 4, p. 508, doi. 10.1002/jeq2.20586

By:

Loper, Holly;
Tenesaca, Carlos;
Pederson, Carl;
Helmers, Matthew J.;
Crumpton, William G.;
Lemke, Dean;
Hall, Steven J.

Publication type:

Article

Poorly drained depressions can be hotspots of nutrient leaching from agricultural soils.

Published in:

Journal of Environmental Quality, 2023, v. 52, n. 3, p. 678, doi. 10.1002/jeq2.20461

By:

Hall, Steven J.;
Tenesaca, Carlos G.;
Lawrence, Nathaniel C.;
Green, David I. S.;
Helmers, Matthew J.;
Crumpton, William G.;
Heaton, Emily A.;
VanLoocke, Andy

Publication type:

Article

Influence of no‐till and a winter rye cover crop on nitrate losses from tile‐drained row‐crop agriculture in Iowa.

Published in:

Journal of Environmental Quality, 2020, v. 49, n. 2, p. 292, doi. 10.1002/jeq2.20056

By:

Waring, Emily R;
Lagzdins, Ainis;
Pederson, Carl;
Helmers, Matthew J.

Publication type:

Article

Midwestern cropping system effects on drainage water quality and crop yields.

Published in:

Journal of Environmental Quality, 2020, v. 49, n. 1, p. 38, doi. 10.1002/jeq2.20007

By:

Dougherty, Brian W.;
Pederson, Carl H.;
Mallarino, Antonio P.;
Andersen, Daniel S.;
Soupir, Michelle L.;
Kanwar, Ramesh S.;
Helmers, Matthew J.

Publication type:

Article

Catchment‐scale Phosphorus Export through Surface and Drainage Pathways.

Published in:

Journal of Environmental Quality, 2019, v. 48, n. 1, p. 117, doi. 10.2134/jeq2018.07.0265

By:

Brendel, Conrad E.;
Soupir, Michelle L.;
Long, Leigh Ann M.;
Helmers, Matthew J.;
Ikenberry, Charles D.;
Kaleita, Amy L.

Publication type:

Article

Drying–Rewetting Cycles Affect Nitrate Removal Rates in Woodchip Bioreactors.

Published in:

Journal of Environmental Quality, 2019, v. 48, n. 1, p. 93, doi. 10.2134/jeq2018.05.0199

By:

Maxwell, Bryan M.;
Birgand, François;
Schipper, Louis A.;
Christianson, Laura E.;
Tian, Shiying;
Helmers, Matthew J.;
Williams, David J.;
Chescheir, George M.;
Youssef, Mohamed A.

Publication type:

Article

Subsurface Drainage Nitrate and Total Reactive Phosphorus Losses in Bioenergy-Based Prairies and Corn Systems.

Published in:

Journal of Environmental Quality, 2015, v. 44, n. 5, p. 1638, doi. 10.2134/jeq2015.02.0080

By:

Daigh, Aaron L. M.;
Xiaobo Zhou;
Helmers, Matthew J.;
Pederson, Carl H.;
Horton, Robert;
Jarchow, Meghann;
Liebman, Matt

Publication type:

Article

Comparing Nitrate Sink Strength in Perennial Filter Strips at Toeslopes of Cropland Watersheds.

Published in:

Journal of Environmental Quality, 2015, v. 44, n. 1, p. 191, doi. 10.2134/jeq2014.05.0201

By:

Mitchell, David C.;
Xiaobo Zhou;
Parkin, Timothy B.;
Helmers, Matthew J.;
Castellano, Michael J.

Publication type:

Article

Sediment Removal by Prairie Filter Strips in Row-Cropped Ephemeral Watersheds.

Published in:

Journal of Environmental Quality, 2012, v. 41, n. 5, p. 1531, doi. 10.2134/jeq2011.0473

By:

Helmers, Matthew J.;
Xiaobo Zhou;
Asbjornsen, Heidi;
Kolka, Randy;
Tomer, Mark D.;
Cruse, Richard M.

Publication type:

Article

Simulating Nitrate-Nitrogen Concentration from a Subsurface Drainage System in Response to Nitrogen Application Rates Using RZWQM2.

Published in:

Journal of Environmental Quality, 2012, v. 41, n. 1, p. 289, doi. 10.2134/jeq2011.0195

By:

Zhiming Qi;
Liwang Ma;
Helmers, Matthew J.;
Ahuja, Lajpat R.;
Malone, Robert W.

Publication type:

Article

Nitrate-Nitrogen Losses through Subsurface Drainage under Various Agricultural Land Covers.

Published in:

Journal of Environmental Quality, 2011, v. 40, n. 5, p. 1578, doi. 10.2134/jeq2011.0151

By:

Zhiming Qi;
Helmers, Matthew J.;
Christianson, Reid D.;
Pederson, Carl H.

Publication type:

Article

Modeling Phosphorus Transport in an Agricultural Watershed Using the WEPP Model.

Published in:

Journal of Environmental Quality, 2010, v. 39, n. 6, p. 2121, doi. 10.2134/jeq2010.0121a

By:

Perez-Bidegain, Mario;
Helmers, Matthew J.;
Cruse, Rick

Publication type:

Article

Perennial Filter Strips Reduce Nitrate Levels in Soil and Shallow Groundwater after Grassland-to-Cropland Conversion.

Published in:

Journal of Environmental Quality, 2010, v. 39, n. 6, p. 2006, doi. 10.2134/jeq2010.0151

By:

Xiaobo Zhou;
Helmers, Matthew J.;
Asbjornsen, Heidi;
Kolka, Randy;
Tomer, Mark D.

Publication type:

Article

Impact of artificial subsurface drainage on groundwater travel times and baseflow discharge in an agricultural watershed, Iowa (USA).

Published in:

Hydrological Processes, 2012, v. 26, n. 20, p. 3092, doi. 10.1002/hyp.8337

By:

Schilling, Keith E.;
Jindal, Priyanka;
Basu, Nandita B.;
Helmers, Matthew J.

Publication type:

Article

DRAINMOD-N II 模拟冬季长期覆盖黑麦对地下排水及NO<sub>3</sub><sup>-</sup>-N 流失的影响.

Published in:

Transactions of the Chinese Society of Agricultural Engineering, 2017, v. 33, n. 12, p. 153, doi. 10.11975/j.issn.1002-6819.2017.12.020

By:

杜璇;
冯浩;
Helmers, Matthew J.;
齐志明

Publication type:

Article

Simulation of Daily Flow Pathways, Tile-Drain Nitrate Concentrations, and Soil-Nitrogen Dynamics Using SWAT.

Published in:

Journal of the American Water Resources Association, 2017, v. 53, n. 6, p. 1251, doi. 10.1111/1752-1688.12569

By:

Ikenberry, Charles D.;
Soupir, Michelle L.;
Helmers, Matthew J.;
Crumpton, William G.;
Arnold, Jeffrey G.;
Gassman, Philip W.

Publication type:

Article

Effects of Spatial Distribution of Prairie Vegetation in an Agricultural Landscape on Curve Number Values.

Published in:

Journal of the American Water Resources Association, 2017, v. 53, n. 2, p. 365, doi. 10.1111/1752-1688.12510

By:

Dziubanski, David J.;
Franz, Kristie J.;
Helmers, Matthew J.

Publication type:

Article

Review of Pesticide Retention Processes Occurring in Buffer Strips Receiving Agricultural Runoff.

Published in:

Journal of the American Water Resources Association, 2010, v. 46, n. 3, p. 618, doi. 10.1111/j.1752-1688.2010.00438.x

By:

Arora, Kapil;
Mickelson, Steven K.;
Helmers, Matthew J.;
Baker, James L.

Publication type:

Article

Spatial Variability and Temporal Persistence of Event Runoff Coefficients for Cropland Hillslopes.

Published in:

Water Resources Research, 2019, v. 55, n. 2, p. 1583, doi. 10.1029/2018WR023576

By:

Chen, Bo;
Krajewski, Witold F.;
Helmers, Matthew J.;
Zhang, Zhuodong

Publication type:

Article

Comparison of Pesticide Retention by Buffer Strips Receiving Simulated Runoff Containing Fine Sand and Fine Aggregates.

Published in:

Journal of the ASABE, 2025, v. 68, n. 3, p. 489, doi. 10.13031/ja.16038

By:

Arora, Kapil;
Mickelson, Steven K.;
Helmers, Matthew J.;
Kaleita, Amy L.;
Webber, David F.

Publication type:

Article

CORN YIELD INCREASE UNDER CONSTANT FERTILIZER DID NOT REDUCE NITRATE EXPORT.

Published in:

Journal of the ASABE, 2023, v. 66, n. 5, p. 1153, doi. 10.13031/ja.15538

By:

Clifford, Chelsea C.;
Waring, Emily R.;
Pederson, Carl H.;
Helmers, Matthew J.

Publication type:

Article

FRONTIER: EATING THE METAPHORICAL ELEPHANT: MEETING NITROGEN REDUCTION GOALS IN UPPER MISSISSIPPI RIVER BASIN STATES.

Published in:

Journal of the ASABE, 2022, v. 65, n. 3, p. 621, doi. 10.13031/ja.14887

By:

Feyereisen, Gary W.;
Hay, Christopher H.;
Christianson, Reid D.;
Helmers, Matthew J.

Publication type:

Article

Cover crops can mitigate no‐tillage‐induced labile phosphorus stratification.

Published in:

Soil Science Society of America Journal, 2025, v. 89, n. 3, p. 1, doi. 10.1002/saj2.70064

By:

Barker, Reid W.;
Helmers, Matthew J.;
McDaniel, Marshall D.

Publication type:

Article

Field trial guidelines for evaluating enhanced efficiency fertilizers.

Published in:

Soil Science Society of America Journal, 2025, v. 89, n. 1, p. 1, doi. 10.1002/saj2.20787

By:

Lyons, Sarah E.;
Arnall, D. Brian;
Ashford‐Kornburger, Dana;
Brouder, Sylvie M.;
Christian, Erik;
Dobermann, Achim;
Haefele, Stephan M.;
Haegele, Jason;
Helmers, Matthew J.;
Jin, Virginia L.;
Margenot, Andrew J.;
McGrath, Josh M.;
Morgan, Kelly T.;
Murrell, T. Scott;
Osmond, Deanna L.;
Pelster, David E.;
Slaton, Nathan A.;
Vadas, Peter A.;
Venterea, Rodney T.;
Volenec, Jeffrey J.

Publication type:

Article

Stacking nitrogen management practices: Combining double‐slot fertilizer injection with urease and nitrification inhibitors improves yields and reduces ammonia and nitrous oxide emissions.

Published in:

Soil Science Society of America Journal, 2024, v. 88, n. 4, p. 1309, doi. 10.1002/saj2.20677

By:

Drury, Craig F.;
Agomoh, Ikechukwu V.;
Yang, Xueming;
Phillips, Lori A.;
Reynolds, W. Dan;
Helmers, Matthew J.;
Calder, Wayne;
Hedge, Tyler

Publication type:

Article

Denitrification and Nitrous Oxide Emissions in Annual Croplands, Perennial Grass Buffers, and Restored Perennial Grasslands.

Published in:

Soil Science Society of America Journal, 2015, v. 79, n. 1, p. 239, doi. 10.2136/sssaj2014.05.0221

By:

Iqbal, Javed;
Parkin, Timothy B.;
Helmers, Matthew J.;
Xiaobo Zhou;
Castellano, Michael J.

Publication type:

Article

Effect of Aeration and Soil Water Redistribution on the Air Permeability under Subsurface Drip Irrigation.

Published in:

Soil Science Society of America Journal, 2012, v. 76, n. 3, p. 815, doi. 10.2136/sssaj2011.0329

By:

Wenquan Niu;
Qing Guo;
Xiaobo Zhou;
Helmers, Matthew J.

Publication type:

Article

Comparing Simulated Nitrate-Nitrogen Concentration In Subsurface Drainage Using Drainmod-N II and RZWQM2.

Published in:

Irrigation & Drainage, 2017, v. 66, n. 2, p. 238, doi. 10.1002/ird.2093

By:

Du, Xuan;
Feng, Hao;
Helmers, Matthew J.;
Qi, Zhiming

Publication type:

Article