Gregorich, Edward, Ph.D.

Program Representative and Research Scientist


Contact Information:

960 Carling Ave
Ottawa, Ontario K1A 0C6
Telephone: 613-759-1909
Fax: 613-759-1926
Email: ed.gregorich@agr.gc.ca

Areas of Expertise:

  • efficient use of nitrogen
  • effects of agricultural management practices on soil organic matter
  • low input agricultural management practices
  • agronomy
  • sustainable crop production
  • modelling soil organic matter dynamics
  • soil carbon and nitrogen dynamics and resources
  • agricultural soil quality
  • soil science
  • soil biochemistry

Current Projects:

  • 110.5.1 National Network of Long-term Agroecosystem Studies
  • Estimating net GHG emissions from whole farms
  • Understanding processes of GHG emissions/removal - soil C

Research Publications:

The links below lead to abstracts with access to full text.

2017

2016

2015

2014

2013

2012

2011

2010

2009

Other Science Related Publications:

2015

  • Diochon, A., Gregorich, E.G., Ellert, B.H., Janzen, H.H., and Helgason, B.L. (2015). "The role of temperature and soil texture in decomposition: findings from a physical fractionation study.", Canadian Society of Soil Science Annual Conference, Montreal, QC, Canada, July 2015.
  • Schwager, E., VanderZaag, A.C., Wagner-Riddle, C., Crolla, A., Kinsley, C., and Gregorich, E.G. (2015). "N2O emissions and N-Leaching from Spring and Fall Applications of Digestate, Raw Dairy Manure and Urea.", Joint Assembly AGU-GAC-MAC-CGU, Montreal, QC, Canada, May 5-6, 2015. (Poster)
  • Singh, J., VanderZaag, A.C., Crolla, A., Kinsley, C., Wagner-Riddle, C., and Gregorich, E.G. (2015). "The effect of nitrogen fixation on direct and indirect nitrous oxide emissions in dairy crop rotations.", Canadian Soil Science Society Conference, Montreal, QC, Canada, July 5-10, 2015. (Poster)
  • VandenBygaart, A.J., Helgason, B.L., Konschuh, H.J., Bedard-Haughn, A., Gillespie, A.W., and Gregorich, E.G. (2015). "Stability of buried soil organic matter in cropland: What are the mechanisms?", Canadian Society of Soil Science Annual Conference, Montreal, QC, Canada, July 2015.
  • Yang, X.M., Drury, C.F., Bittman, S., Chantigny, M.H., Miller, J., Gregorich, E.G., Reynolds, W.D., and Yang, J.Y. (2015). "Microbial glucosamine. Galactosamine, and muramic acids in some Canadian agricultural soils.", ASA-CSSA-SSSA International Annual Meeting: Synergy in Science. Partnering for Solutions, Minneapolis, MN, USA, November 15-18, 2015.
  • Yang, X.M., Drury, C.F., Bittman, S., Chantigny, M.H., Miller, J.J., Gregorich, E.G., Reynolds, W.D., and Yang, J.Y. (2015). "Microbial Glucosamine, Galactosamine and Muramic Acids in Some Canadian Agricultural soils.", ASA-CSSA-SSSA International Annual Meeting: Synergy in Science. Partnering for Solutions, Minneapolis, MN, USA, November 15-18, 2015. (Poster)

2014

  • Elberling, B., Greenfield, L.G., Gregorich, E.G., Hopkins, D.W., Novis, P.M., and Sparrow, A.D. (2014). "Comments on "Abiotic processes dominate CO2 fluxes in Antarctic soils" by Shanhun etal. Soil Biology & Biochemistry 53, 99-111 (2012) (Letter).", Soil Biology & Biochemistry, 75, pp. 310-311.
  • Ellert, B.H., Helgason, B.L., Janzen, H.H., and Gregorich, E.G. (2014). "Soil Disturbance Effects on Plant Residue Decay in Canadian Agricultural Soils.", Canadian Society of Soil Science Annual Meetings, Banff, AB, Canada, May 2014.
  • Gillespie, A.W., Sanei, H., Diochon, A., Tarnocai, C., Janzen, H.H., Regier, T.Z., Chevrier, D., Dynes, J.J., and Gregorich, E.G. (2014). "Biological stability of soil organic matter is related to thermal and chemical properties.", Complex Soil Systems SSSA/Bouyoucos Funds, Berkeley Lab, DOE, Berkeley, CA, USA, September 3-5, 2014.
  • Gillespie, A.W., Sanei, H., Diochon, A., Tarnocai, C., Janzen, H.H., Regier, T.Z., and Gregorich, E.G. (2014). "Using thermal and spectroscopic (XANES) indices to understand the biological stability of soil organic matter.", American Geophysical Union (AGU) Fall Meeting, San Fransisco, CA, USA, December 15-19, 2014.
  • Gregorich, E.G., Ellert, B.H., Helgason, B.L., and Janzen, H.H. (2014). "Soil disturbance effects on decomposition of plant residues in Canadian agricultural soils.", 20th World Congress of Soil Science, Jeju, South Korea, June, 2014, Presentation.
  • Gregorich, E.G., Ellert, B.H., Janzen, H.H., and Helgason, B.L. (2014). "Plant residue decay in diverse Canadian Soils.", American Society of Agronomy Annual Meetings, Long Beach, CA, USA, November 2014, Presentation.
  • Gregorich, E.G., Ellert, B.H., Janzen, H.H., and Helgason, B.L. (2014). "Plant residue decay in diverse Canadian soils.", 20th World Congress of Soil Science, Jeju, South Korea, June 8-13, 2014, Presentation.
  • Helgason, B.L., VandenBygaart, A.J., Konschuh, H.J., Bedard-Haughn, A., Gillespie, A.W., and Gregorich, E.G. (2014). "Buried C in croplands: How biologically available is it?", Soil Organic Matter 6 Workshop, Kiawah Island, SC, USA, October, 2104, Presentation.
  • Schwager, E., VanderZaag, A.C., Crolla, A., Kinsley, C., Wagner-Riddle, C., and Gregorich, E.G. (2014). "N2O emissions from the land application of digestate: synergy or trade-off to the GHG benefits of biogas systems?", Northeast Agricultural and Biological Engineering Conference (NABEC), Kemptville, ON, Canada, July 28, 2014. (Poster)
  • VandenBygaart, A.J., VandenBygaart, A.J., Gregorich, E.G., and Helgason, B.L. (2014). "Carbon Dynamics in Eroded Landscapes: Is Buried Soil Organic Matter Biologically Available?", Canadian Society of Soil Science Annual Meetings, Banff, AB, Canada, May 4-7, 2014, Presentation.
  • Yang, X.M., Drury, C.F., Gregorich, E.G., Hao, X., Geng, X.Y., Reid, K., Fox, C.A., and VandenBygaart, A.J. (2014). "Mid-Infrared Spectral Characteristics of Different Agricultural Soils cross Canada.", CSSS/CGU 2014 Annual Meeting, Banff, AB, Canada, May 4-8, 2014.

2013

  • Ellert, B.H., Gregorich, E.G., and Janzen, H.H. (2013). "Measuring and Monitoring Soil Carbon Storage.", ASA/CSSA/SSSA International annual meeting, Tampa, Florida, USA, November 3-6, 2013, Oral presentation.
  • Schwager, E., VanderZaag, A.C., Crolla, A., Kinsley, C., Wagner-Riddle, C., and Gregorich, E.G. (2013). "Nitrous oxide emissions and nitrogen leaching in Dairy feed crops receiving manure, anaerobically digested manure, and urea.", CSSS/MSSS/CSAFM 2013 Annual Meeting, Winnipeg, MB., Canada, June 22-25, 2013.

2011

  • Nangia, V., Sunohara, M., Topp, E., Gregorich, E.G., Gottschall, N., Drury, C.F., Toussef, M.A., and Lapen, D.R. (2011). "Assessing field-scale effects of controlled tile drainage on N mass balance from corn and soybean fields in Eastern Ontario, Canada.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
  • Nangia, V., Sunohara, M., Topp, E., Gregorich, E.G., Gottschall, N., Drury, C.F., and Lapen, D.R. (2011). "Measuring the effects of watertable management on soil greenhouse gas emissions from corn and soybean fields in Eastern Canada.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.

2009

  • Ma, B.-L., Wu, T.-Y., Tremblay, N., Deen, W., Morrison, M.J., McLaughlin, N.B., Gregorich, E.G., and Stewart, G. (2009). "On-farm assessment of nitrogen fertilizer application to corn on nitrous oxide emissions.", XVI International Plant Nutrition Colloquium, Sacramento, CA, USA, August 26-30, 2009.
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