John Wallace
Assistant Professor of Weed Science

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423 ASI
University Park, PA - jmw309@psu.edu
- 814-863-1014
Huck Affiliations
Publication Tags
Cover Crops Corn Soybeans No Tillage Tillage Biomass Herbicides Cropping Systems Weeds Cover Crop Vicia Villosa Weed Control Wheat Zea Mays Rye Nitrogen Phytomass Mid Atlantic Region Cover Crop Termination Cereal Reduced Tillage Resource Allocation Resistance Management Denitrification Cropping PracticeMost Recent Publications
Cover crop interseeding establishment methods in organic field corn
John Wallace, Sarah Isbell, Ron Hoover, Mary Barbercheck, Jason Kaye, William Curran, Journal of Renewable Agriculture and Food Systems
Weed seed mass affects seedling establishment and resource allocation patterns across a cereal rye surface residue gradient
Teala Ficks, Carolyn J. Lowry, John M. Wallace, 2022, Weed Research on p. 49-58
Cover crop–based, rotational no-till management tactics influence crop performance in organic transition within the Mid-Atlantic United States
John M. Wallace, Mary E. Barbercheck, William Curran, Clair Lynn Keene, Steven Brian Mirsky, Matthew Ryan, Mark VanGessel, 2021, Journal of Production Agriculture on p. 5335-5347
Organic fertility inputs synergistically increase denitrification-derived nitrous oxide emissions in agroecosystems
Armen Kemanian, Debasish Saha, Jason P. Kaye, Debasish Saha, Jason Kaye, Arnab Bhowmik, M Bruns, Arnab Bhowmik, John M. Wallace, Mary Ann Bruns, Armen R. Kemanian, 2021, Ecological Applications on p. e02403
Weed-Insect Interactions in Annual Cropping Systems
Mary E. Barbercheck, John Wallace, 2021, Annals of the Entomological Society of America on p. 276-291
Nitrogen dynamics in grain cropping systems integrating multiple ecologically based management strategies
Sarah A. Isbell, Brosi A. Bradley, Andrew H. Morris, John M. Wallace, Jason P. Kaye, 2021, Ecosphere on p. e03380
Drill and broadcast establishment methods influence interseeded cover crop performance in organic corn
J Wallace, Sarah Isbell, Ron Hoover, M Barbercheck, Jason Kaye, W Curran, 2021, Renewable Agriculture and Food Systems on p. 77--85
Agronomic and economic tradeoffs between alternative cover crop and organic soybean sequences
Rebecca Champagne, John Wallace, W Curran, Barbara Baraibar, 2021, Renewable Agriculture and Food Systems on p. 17--25
Rotational no-till and tillage-based organic corn produce management tradeoffs in the Northeast
Rebecca J. Champagne, John Wallace, William Curran, Mary E. Barbercheck, 2021, Journal of Production Agriculture
Alternative performance targets for integrating cover crops as a proactive herbicide-resistance management tool
Jess M. Bunchek, John M. Wallace, William S. Curran, David A. Mortensen, Mark J. Vangessel, Barbara A. Scott, 2020, Weed Science on p. 534-544
Most-Cited Papers
Cover crop-based, organic rotational no-till corn and soybean production systems in the mid-atlantic United States
John M. Wallace, Alwyn Williams, Jeffrey A. Liebert, Victoria J. Ackroyd, Rachel A. Vann, William S. Curran, Clair L. Keene, Mark J. Vangessel, Matthew R. Ryan, Steven B. Mirsky, 2017, Agriculture (Switzerland) on p. 34
Evaluation of cover crops drill interseeded into corn across the mid-Atlantic region
W. S. Curran, R. J. Hoover, S. B. Mirsky, G. W. Roth, M. R. Ryan, V. J. Ackroyd, J. M. Wallace, M. A. Dempsey, C. J. Pelzer, 2018, Journal of Production Agriculture on p. 435-443
Cover crop termination timing is critical in organic rotational no-till systems
C. L. Keene, W. S. Curran, J. M. Wallace, M. R. Ryan, S. B. Mirsky, M. J. Vangessel, M. E. Barbercheck, 2017, Journal of Production Agriculture on p. 272-282
Ecological characteristics of Ventenata dubia in the Intermountain Pacific Northwest
John M. Wallace, Pamela L.S. Pavek, Timothy S. Prather, 2015, Invasive Plant Science and Management on p. 57-71
Cover crop-based reduced tillage system influences Carabidae (Coleoptera) activity, diversity and trophic group during transition to organic production
Ariel Rivers, Christina Mullen, John Wallace, Mary Ellen Barbercheck, 2017, Renewable Agriculture and Food Systems on p. 538-551
Cover crop effects on horseweed (Erigeron canadensis) density and size inequality at the time of herbicide exposure
John M. Wallace, William Curran, David A. Mortensen, 2019, Weed Science on p. 327-338
Integrated Weed Management Strategies in Cover Crop-based, Organic Rotational No-Till Corn and Soybean in the Mid-Atlantic Region
John M. Wallace, Clair L. Keene, William Curran, Steven Mirsky, Matthew R. Ryan, Mark J. Vangessel, 2018, Weed Science on p. 94-108
Effectiveness of Herbicides for Control of Hairy Vetch (Vicia villosa) in Winter Wheat
William S. Curran, John M. Wallace, Steven Mirsky, Benjamin Crockett, 2015, Weed Technology on p. 509-518
Alternative performance targets for integrating cover crops as a proactive herbicide-resistance management tool
Jess M. Bunchek, John M. Wallace, William S. Curran, David A. Mortensen, Mark J. Vangessel, Barbara A. Scott, 2020, Weed Science on p. 534-544
Tolerance of Interseeded Annual Ryegrass and Red Clover Cover Crops to Residual Herbicides in Mid-Atlantic Corn Cropping Systems
John M. Wallace, William S. Curran, Steven B. Mirsky, Matthew R. Ryan, 2017, Weed Technology on p. 641-650