M. Helmers
发表
P. Lammers,
M. D. Kenealy,
J. Kliebenstein,
2012,
Journal of animal science.
M. Helmers,
K. Schilling,
2008
.
Todd A. Kellerman,
M. Helmers,
M. Dosskey,
2015,
Journal of Soil and Water Conservation.
Matthew J. Helmers,
Dean E. Eisenhauer,
Thomas G. Franti,
2005
.
M. Helmers,
2003
.
M. Helmers,
M. Dosskey,
D. Eisenhauer,
2002
.
M. Helmers,
R. Cibin,
J. Hatfield,
2019,
The Science of the total environment.
M. Helmers,
M. Dosskey,
Z. Qiu,
2011,
Journal of Soil and Water Conservation.
Matthew J. Helmers,
Thomas M. Isenhart,
Philip W. Gassman,
2010,
Journal of Soil and Water Conservation.
Matthew J. Helmers,
Dean E. Eisenhauer,
Michael G. Dosskey,
2006
.
Matthew J. Helmers,
Dean E. Eisenhauer,
Michael G. Dosskey,
2005
.
Carl H. Pederson,
Matthew J. Helmers,
Gregory L. Brenneman,
2012,
Journal of Soil and Water Conservation.
Carl H. Pederson,
Matthew J. Helmers,
Gregory L. Brenneman,
2017,
Journal of Soil and Water Conservation.
M. Helmers,
H. Asbjornsen,
L. Schulte,
2022
.
Ammar B. Bhandari,
M. Helmers,
J. Lory,
2017,
Journal of environmental quality.
Ammar B. Bhandari,
M. Helmers,
J. Lory,
2017,
Journal of environmental quality.
M. Helmers,
J. Arnold,
P. Gassman,
2017
.
Bradley A. Miller,
G. A. Stenback,
M. Helmers,
2006
.
Matthew J. Helmers,
Greg A. Stenback,
William G. Crumpton,
2011
.
Laura E. Christianson,
M. Helmers,
M. Castellano,
2012
.
Matthew J. Helmers,
Ranvir Singh,
Zhiming Qi,
2006
.
Matthew J. Helmers,
James L. Baker,
Stewart W. Melvin,
2008
.
M. Helmers,
K. Schilling,
2008
.
M. Helmers,
E. Heaton,
M. Liebman,
2013
.
M. Helmers,
H. Hanna,
E. Hodgson,
2013,
Journal of Soil and Water Conservation.
M. Helmers,
M. Castellano,
S. Archontoulis,
2018
.
M. Helmers,
Z. Qi,
2010
.
T. Sauer,
M. Helmers,
Liukang Xu,
2018
.
J. M. Duncan,
M. Helmers,
R. Mokwa,
2000
.
Steven K. Mickelson,
Matthew J. Helmers,
James L. Baker,
2010
.
M. Helmers,
K. Franz,
D. Dziubanski,
2017
.
M. Helmers,
A. Daigh,
R. Horton,
2014
.
M. Helmers,
W. Krajewski,
Bo Chen,
2019,
Water Resources Research.
M. Helmers,
X. Jia,
J. Frankenberger,
2021
.
Raziel A. Ordóñez,
Emily E. Wright,
M. Helmers,
2019,
Plant and Soil.
Raziel A. Ordóñez,
Emily E. Wright,
M. Helmers,
2018
.
M. Helmers,
M. Dosskey,
D. Eisenhauer,
2005
.
M. Helmers,
Liukang Xu,
R. Horton,
2018
.
M. Helmers,
T. Moorman,
L. Christianson,
2013
.
David J. Williams,
L. Schipper,
M. Helmers,
2019,
Journal of environmental quality.
M. Helmers,
Zhiming Qi,
2008
.
M. Helmers,
R. Christianson,
J. Sawyer,
2011
.
Z. Qi,
M. Helmers,
P. Lawlor,
2008
.
M. Helmers,
P. Lawlor,
J. Baker,
2004
.
M. Helmers,
W. Crumpton,
P. Lawlor,
2004
.
M. Helmers,
D. Eisenhauer,
2006
.
J. Six,
M. Helmers,
M. Castellano,
2019,
Nature Sustainability.
M. Helmers,
H. Asbjornsen,
M. Tomer,
2013
.
M. Helmers,
M. Dosskey,
J. Strock,
2008
.
T. Sauer,
M. Helmers,
R. Horton,
2018
.
Performance Evaluation of Four Field-Scale Agricultural Drainage Denitrification Bioreactors in Iowa
Laura E. Christianson,
M. Helmers,
L. Christianson,
2012
.
Laura E. Christianson,
M. Helmers,
L. Christianson,
2012
.
Natasha L. Hoover,
M. Helmers,
L. Christianson,
2011
.
M. Helmers,
J. Lawrence,
R. Burns,
2007
.
M. Helmers,
Xiaobo Zhou,
2008
.
P. Lammers,
J. Harmon,
M. Helmers,
2010
.
M. Helmers,
J. Comito,
2011
.
M. Helmers,
M. Soupir,
R. Gali,
2012
.
David J. Williams,
L. Schipper,
M. Helmers,
2019,
Agricultural & Environmental Letters.
M. Helmers,
M. Dosskey,
D. Eisenhauer,
2001
.
R. Dirzo,
C. Witte,
M. Helmers,
2018
.
Bo Chen,
M. Helmers,
W. Krajewski,
2015
.
M. Helmers,
X. Jia,
J. Frankenberger,
2022,
Scientific data.
Z. Qi,
M. Helmers,
C. Pederson,
2011,
Journal of environmental quality.
M. Helmers,
D. Mulla,
G. McIsaac,
2018,
Journal of environmental management.
M. Jha,
M. Helmers,
M. Arabi,
2012
.
M. Helmers,
A. Sharpley,
N. Nelson,
2019,
Journal of Soil and Water Conservation.
M. Helmers,
R. Kolka,
M. Tomer,
2014,
Biogeochemistry.
Conrad E. Brendel,
A. Kaleita,
M. Helmers,
2020,
Journal of environmental quality.
M. Helmers,
M. Castellano,
D. Mitchell,
2015,
Journal of environmental quality.
M. Helmers,
L. Schulte,
M. O'Neal,
2014,
Environmental entomology.
M. Helmers,
Delise R. Lockett,
Xiaobo Zhou,
2011
.
M. Helmers,
G. Sands,
J. Strock,
2011
.
Linda R. Schott,
M. Helmers,
A. Daigh,
2017,
Journal of Soil and Water Conservation.
Mark S. Johnson,
M. Helmers,
Nancy Grudens‐Schuck,
2017
.
M. Helmers,
J. Baker,
2010
.
L. C. Brown,
M. Helmers,
X. Jia,
2016
.
M. Helmers,
M. Soupir,
C. Pederson,
2020,
Journal of environmental quality.
M. Helmers,
J. Frankenberger,
C. Hay,
2019,
Agricultural Water Management.
Z. Qi,
M. Helmers,
Ranvir Singh,
2015
.
M. Helmers,
Ranvir Singh,
2006
.
M. Helmers,
Ranvir Singh,
2006
.
M. Helmers,
Ranvir Singh,
2006
.
M. Helmers,
M. Castellano,
J. Iqbal,
2022,
Field Crops Research.
M. Helmers,
S. Bradbury,
L. Schulte,
2017
.
H. Feng,
M. Helmers,
Z. Qi,
2017
.
Laura E. Christianson,
L. Schipper,
M. Helmers,
2021,
Transactions of the ASABE.
M. Helmers,
P. Scharf,
J. Strock,
2015
.
M. Helmers,
J. Frankenberger,
J. Strock,
2023,
SSRN Electronic Journal.
M. Helmers,
M. Dosskey,
D. Eisenhauer,
2004
.
Laura E. Christianson,
M. Helmers,
R. Christianson,
2010
.
M. Helmers,
H. Asbjornsen,
T. Isenhart,
2014
.
M. Helmers,
R. Burns,
D. Andersen,
2011
.
Z. Qi,
M. Helmers,
2010
.
M. Helmers,
R. Burns,
L. Moody,
2013,
Journal of environmental management.
Robert T. Burns,
Lara B. Moody,
Matthew J. Helmers,
2011
.
M. Helmers,
W. Niu,
Xiaobo Zhou,
2012
.
M. Helmers,
J. Tyndall,
L. Christianson,
2013
.
Matthew J. Helmers,
Dean E. Eisenhauer,
Thomas G. Franti,
2002
.
P. Lammers,
M. D. Kenealy,
J. Kliebenstein,
2010,
Journal of animal science.
M. Helmers,
M. Castellano,
H. Asbjornsen,
2014
.
Matthew J. Helmers,
Rafael A. Martinez-Feria,
Sotirios V. Archontoulis,
2016
.
Conrad E. Brendel,
A. Kaleita,
M. Helmers,
2019,
Journal of environmental quality.
M. Helmers,
A. Daigh,
E. Kladivko,
2014,
Journal of Soil and Water Conservation.
A. Roberts,
M. Helmers,
I. Fillery,
2009
.
Z. Qi,
A. Kaleita,
M. Helmers,
2011
.
M. Helmers,
R. Burns,
L. Moody,
2008
.
M. Helmers,
A. Daigh,
R. Lal,
2017
.
M. Helmers,
C. Pederson,
A. Mallarino,
2007
.
Matthew J. Helmers,
Mark D. Tomer,
J. Gordon Arbuckle,
2017,
Proceedings of the National Academy of Sciences.
M. Helmers,
C. Pittelkow,
R. Christianson,
2023,
Ecological Engineering: The Journal of Ecotechnology.
M. Helmers,
J. Frankenberger,
J. Strock,
2022,
Agricultural Water Management.
L. Schipper,
M. Helmers,
F. Birgand,
2020,
Journal of environmental management.
Alok Bhandari,
Matthew J. Helmers,
Natasha L. Hoover,
2012
.
M. Helmers,
G. Feyereisen,
R. Christianson,
2022,
Journal of the ASABE.
M. Helmers,
J. Tyndall,
L. Christianson,
2014
.
Carl H. Pederson,
Matthew J. Helmers,
Robert W. Malone,
2018
.
Alok Bhandari,
Carl H. Pederson,
Matthew J. Helmers,
2013
.
Laura E. Christianson,
Alok Bhandari,
Matthew J. Helmers,
2011
.
M. Helmers,
H. Asbjornsen,
G. Mora,
2007
.
Linda R. Schott,
M. Helmers,
D. Mueller,
2017,
Journal of Soil and Water Conservation.
M. Helmers,
R. Harmel,
K. Douglas-Mankin,
2021,
Transactions of the ASABE.
M. Helmers,
M. Dosskey,
D. Eisenhauer,
2008,
Journal of Soil and Water Conservation.
M. Helmers,
Pute Wu,
Xining Zhao,
2013
.
M. Helmers,
J. Kostel,
M. Tomer,
2015,
Journal of environmental quality.
Kyle R. Douglas-Mankin,
Matthew J. Helmers,
R. Wayne Skaggs,
2018
.
Matthew J. Helmers,
Shaoyuan Feng,
Z. Qi,
2012
.
M. Helmers,
H. Asbjornsen,
G. Mora,
2008,
Plant and Soil.
J. Six,
M. Helmers,
M. Castellano,
2017,
PloS one.
M. Helmers,
L. Christianson,
2011
.
M. Helmers,
D. Andersen,
B. Dougherty,
2021,
Journal of Soil and Water Conservation.
M. Helmers,
M. Castellano,
J. Iqbal,
2015
.
M. Helmers,
L. Christianson,
A. Bhandari,
2009,
Journal of Soil and Water Conservation.
M. Helmers,
L. Schulte,
M. Liebman,
2013,
Renewable Agriculture and Food Systems.
M. Helmers,
H. Asbjornsen,
M. Tomer,
2010,
Journal of environmental quality.
L. G. Brenneman,
M. Helmers,
K. Arora,
2016
.
José F. Andrade,
M. Helmers,
P. Grassini,
2021
.
M. Helmers,
S. Melvin,
D. Lemke,
2009
.
M. Helmers,
R. Horton,
R. Burns,
2010
.
M. Helmers,
R. Horton,
R. Burns,
2010
.
Robert T. Burns,
Lara B. Moody,
Matthew J. Helmers,
2008
.
Mark D Tomer,
Randy Kolka,
Xiaobo Zhou,
2012,
Journal of environmental quality.
M. Helmers,
M. Castellano,
S. Archontoulis,
2021,
Environmental Research Letters.
Meghann Jarchow,
Robert Horton,
Matt Liebman,
2016,
Global change biology.
Matthew J. Helmers,
Mahdi Al-Kaisi,
M. Helmers,
2009
.
M. Helmers,
K. Schilling,
N. Basu,
2012
.
Steven K. Mickelson,
Kapil Arora,
Matthew J. Helmers,
2018
.
M. Helmers,
P. Scharf,
J. Strock,
2014
.
M. Helmers,
R. Kolka,
L. Schulte,
2017,
BioEnergy Research.
D. Herzmann,
E.J. Kladivko,
M.J. Helmers,
2014,
Journal of Soil and Water Conservation.
M. Helmers,
H. Asbjornsen,
R. Kolka,
2014,
Journal of Soil and Water Conservation.
Ward N. Smith,
Zhiming Qi,
Matthew J. Helmers,
2020,
Environ. Model. Softw..
Matthew J. Helmers,
Ranvir Singh,
William G. Crumpton,
2007
.
M. Helmers,
C. Pederson,
A. Lagzdins,
2020,
Journal of environmental quality.
M. Helmers,
Pute Wu,
Xining Zhao,
2014,
Journal of the science of food and agriculture.
Matthew J. Helmers,
Robert W. Malone,
Kelly R. Thorp,
2011
.
Matthew J. Helmers,
Thomas M. Isenhart,
Mark D. Tomer,
2007
.
Prairie strips as a mechanism to promote land sharing by birds in industrial agricultural landscapes
M. Helmers,
Jarad Niemi,
L. Schulte,
2016
.
Conrad E. Brendel,
M. Helmers,
M. Soupir,
2021,
Journal of environmental management.
Matthew J. Helmers,
Ranvir Singh,
Eugene S. Takle,
2009
.
Matthew Justin Helmers,
M. Helmers,
1997
.
M. Helmers,
A. Daigh,
R. Horton,
2015,
Journal of environmental quality.
M. Helmers,
L. Gu,
R. Anex,
2018
.
Matthew J. Helmers,
David Pitt,
Carissa Schively Slotterback,
2013
.
M. Helmers,
J. Lory,
R. Massey,
2005
.
M. Helmers,
D. Eisenhauer,
M. Tomer,
2008,
Agroforestry Systems.
M. Helmers,
S. Mickelson,
K. Arora,
2006
.
M. Helmers,
J. Tyndall,
L. Schulte,
2013,
Environmental Management.
Bradley A. Miller,
M. Helmers,
Jarad Niemi,
2023,
Field Crops Research.
Ammar B. Bhandari,
M. Helmers,
J. Lory,
2017
.
M. Helmers,
R. Burns,
L. Moody,
2014
.
M. Helmers,
J. Tyndall,
M. O'Neal,
2015,
Journal of Extension.
M. Helmers,
H. Asbjornsen,
L. Schulte,
2014
.
Z. Qi,
M. Helmers,
P. O’Brien,
2023,
Environmental Research Letters.
Matthew J. Helmers,
Zhiming Qi,
Lulin Xue,
2015,
Climatic Change.
M. Helmers,
T. J. Canfield,
T. Newcomer-Johnson,
2023,
Journal of environmental management.
M. Helmers,
G. Sands,
J. Frankenberger,
2004
.
Laura E. Christianson,
M. Helmers,
D. Horne,
2010
.
Liwang Ma,
Robert W Malone,
Zhiming Qi,
2012,
Journal of environmental quality.
M. Helmers,
R. Christianson,
2009
.
M. Helmers,
C. Pederson,
R. Christianson,
2009
.
Matthew J. Helmers,
Ranvir Singh,
M. Helmers,
2008
.
M. Helmers,
J. Baker,
S. Melvin,
2005
.
Comparison of Nitrate-Nitrogen in Subsurface Drainage from Continuous Corn and Corn-soybean Rotation
M. Helmers,
P. A. Lawlor,
2007
.
M. Helmers,
J. Baker,
S. Melvin,
2012,
Canadian Journal of Soil Science.
Matthew J. Helmers,
James L. Baker,
Stewart W. Melvin,
2011
.
M. Helmers,
2009
.
Matthew J. Helmers,
James L. Baker,
Stewart W. Melvin,
2005
.
M. Helmers,
P. A. Lawlor,
2005
.
M. Helmers,
Tomorra Elizabeth Smith,
Richard Cruse,
2022
.
M. Helmers,
R. Horton,
S. Archontoulis,
2016,
Global change biology.
M. Helmers,
M. Liebman,
Jules Bayala,
2013,
Renewable Agriculture and Food Systems.
M. Helmers,
E.J. Henning,
R.K. Kolka,
2024,
Journal of Soil and Water Conservation.
M. Helmers,
D. Eisenhauer,
L. Stahr,
2004
.
M. Helmers,
C. Pederson,
A. Lagzdins,
2024,
Agriculture, Ecosystems & Environment.
M. Helmers,
D. Green,
P. Cao,
2023,
Water research.
M. Helmers,
M. Liebman,
Craig A. Chase,
2013,
Renewable Agriculture and Food Systems.
M. Helmers,
T. Parkin,
Xiaobo Zhou,
2015,
Journal of environmental quality.
M. Helmers,
2014
.
M. Helmers,
J. Laflen,
J. Baker,
2006
.
M. Helmers,
P. Scharf,
J. Strock,
2017
.
Robert T. Burns,
Lara B. Moody,
Daniel S. Andersen,
2010
.
Laura E. Christianson,
M. Helmers,
D. Mulla,
2018,
Journal of environmental management.