Roland Kröbel, Ph.D.

Image Roland Kröbel
Research Scientist

As ecosystem modeller at the Lethbridge Research and Development Centre, the work of my team revolves around the further development of AAFC's whole farm model Holos.

Agriculture and Agri-Food Canada
5403 1st Avenue South, Lethbridge, Alberta

Current research and/or projects

  • An ecological approach, based on carbon flows within the model HOLOS, for understanding responses of Canadian farms to prospective management practices and global changes
  • Agri-environmental indicators on farm level - ammonia volatilization

Research and/or project statements

  • Ecosystem modeling in agriculture
  • Climate change
  • Greenhouse gas emissions
  • N cycling

Additional links

https://scholar.google.ca/citations?user=ZvbhJTwAAAAJ&hl=en

 

Key publications

  1. Guyader, J., Little, S., Kröbel, R., Benchaar, C., Beauchemin, K.A. (2017). Comparison of greenhouse gas emissions from corn- and barley-based dairy production systems in Eastern Canada. Agricultural Systems, [online] 152 38-46. http://dx.doi.org/10.1016/j.agsy.2016.12.002

    2017 - View publication details

  2. Bittman, S., Hunt, D., Koenig, K., Duynisveld, J., Mckenzie, D., Kroebel, R., and Haak, D. "Semi-Virtual Model Farmlets to Study Nutrients in Livestock Farms: Proposed Dairy System Case Study. 2016. ASA-CSSA-SSSA International Annual Meeting 2016-Phoenix, AZ, Nov. 6-9.

    2016 - View publication details

  3. J. Guyader, H. H. Janzen, R. Kroebel, K. A. Beauchemin, Forage use to improve environmental sustainability of ruminant production, Journal of Animal Science, Volume 94, Issue 8, August 2016, Pages 3147–3158, https://doi.org/10.2527/jas.2015-0141

    2016 - View publication details

  4. Kröbel, R., Bolinder, M.A., Janzen, H.H., Little, S.M., VandenBygaart, A.J., and Kätterer, T. (2016). "Canadian farm-level soil carbon change assessment by merging the greenhouse gas model Holos with the Introductory Carbon Balance Model (ICBM).", Agricultural Systems, 143, pp. 76-85. doi : 10.1016/j.agsy.2015.12.010

    2016 - View publication details

  5. Chai, L., Kröbel, R., MacDonald, D., Bittman, S., Beauchemin, K.A., Janzen, H.H., McGinn, S.M., Vanderzaag, A. (2016). An ecoregion-specific ammonia emissions inventory of Ontario dairy farming: Mitigation potential of diet and manure management practices. Atmospheric Environment, [online] 126 1-14. http://dx.doi.org/10.1016/j.atmosenv.2015.11.030

    2016 - View publication details

  6. Chai, L.L., Kröbel, R., Beauchemin, K.A., Macdonald, D.J., Janzen, H.H., McGinn, S.M., and Bittman, S. (2015). "Greenhouse gases and ammonia emissions from grazing beef cattle in Alberta and Ontario Canada.", Canadian Society for Bioengineering Conference/CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, Canada, July 5-8, 2015, Presentation.

    2015 - View publication details

  7. Little, S.M., Beauchemin, K.A., Benchaar, C., Chai, L.L., Janzen, H.H., Kröbel, R., McGeough, E.J., and VanderZaag, A.C. (2015). "Demonstrating the effect of diet on the carbon footprint of a Canadian dairy scenario using whole-systems analysis and the Holos model: corn silage vs. alfalfa silage.", LCA Conference XV - A bright green future, Vancouver, Canada, October 6-8, 2015, Presentation.

    2015 - View publication details

  8. Congreves, K.A., Grant, B.B., Campbell, C., Smith, W.N., Worth, D.E., Vandenberg, A., Kröbel, R., Lemke, R.L., and Desjardins, R.L. (2015). "Measuring and modelling the long-term impact of crop management on soil C sequestration in the semi-arid Canadian prairies.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, McGill University, Montreal, QC, Canada, July 5-10, 2015. (Poster)

    2015 - View publication details

  9. Kröbel, R., Li, S., Little, S.M., Vanin, C., and Janzen, H.H. (2015). "Calculating greenhouse gases from the Black-Brook watershed, New Brunswick, using the Holos model.", Conference “On Sustainability 2015”, Copenhagen, Denmark.

    2015 - View publication details

  10. Kröbel, R., Janzen, H.H., Ellert, B.H., Beauchemin, K.A., and McAllister, T.A. (2015). "Agriculture is neither the culprit nor the solution to Climate Change.", “Our Common Future under Climate Change” Conference, Paris, France, July 7-10, 2015. (Poster)

    2015 - View publication details

  11. Chai, L.L., Kröbel, R., Macdonald, D.J., Bittman, S., Beauchemin, K.A., Janzen, H.H., and McGinn, S.M. (2015). "Developing nitrogen loss fractions for beef and dairy cattle manure storage systems in Canadian ecoregions: a comparison between West and East.", Canadian Society for Bioengineering Conference/CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, Canada, July 5-8, 2015.

    2015 - View publication details

  12. Singh, B., Ryan, J.J., Campbell, C.A., and Kröbel, R. (2015). "Nutrient Management and Water Use Efficiency for Sustainable Production of Rainfed Crops in the World’s Dry Areas.", in Drechsel, P., Heffer, P., Magen, H., Mikkelsen, R., Wichelns, D. (eds.) - Managing Water and Fertilizer for Sustainable Agricultural Intensification, First edition.

    2015 - View publication details

  13. Alemu, A.W., Little, S.M., Hao, X., Iwaasa, A.D., Baron, V.S., Chai, L.L., Janzen, H.H., Beauchemin, K.A., Thompson, D., and Kröbel, R. (2015). "Application of life cycle assessment approach to beef production systems in the Canadian prairies with regard to environmental impact and energy use efficiency.", LCA Conference XV - A bright green future, Vancouver, Canada, October 6-8, 2015, Presentation.

    2015 - View publication details

  14. Martel, M., Kröbel, R., Hrapovic, L., Janzen, H.H., McConkey, B.G., Glenn, A.J., and Wilson, H.F. (2015). "A Canadian water budget model for water footprint assessment of crop production.", Canadian Soil Science Society (IUSS-CSSS-AQSSS) Conference, Montreal, QC, Canada, July 5-10, 2015. (Poster)

    2015 - View publication details

  15. Chai, L.L., Kröbel, R., MacDonald, D., Bittman, S., Janzen, H.H., Beauchemin, K.A., McGinn, S.M., Little, S.M., and Martel, M. (2015). "Ammonia and nitrous oxide emission factors of land applied cattle manure in Alberta and Ontario", Conference of Soil Interfaces for Sustainable Development, Montreal, Quebec, Canada. (Abstract)

    2015 - View publication details

  16. Smith, E.G., Janzen, H.H., Krobel, R. (2015). Yield and profitability of fallow and fertilizer inputs in long-term wheat rotation plots at lethbridge, alberta. Canadian Journal of Plant Science, [online] 95(3), 579-587. http://dx.doi.org/10.4141/CJPS-2014-356

    2015 - View publication details

  17. Congreves, K.A., Grant, B.B., Campbell, C.A., Smith, W.N., Vandenbygaart, A.J., Kröbel, R., Lemke, R.L., Desjardins, R.L. (2015). Measuring and modeling the long-term impact of crop management on soil carbon sequestration in the semiarid canadian prairies. Agronomy Journal, [online] 107(3), 1141-1154. http://dx.doi.org/10.2134/agronj15.0009

    2015 - View publication details

  18. Grant, B.B., Smith, W.N., Campbell, C.A., Desjardins, R.L., Lemke, R.L., Kröbel, R., McConkey, B.G., and Smith, E.G. (2014). "Comparison of DayCent and DNDC models: Case studies using data from long-term experiments on the Canadian prairies.", in Del Grosso, S., Parton, B., Lajpat, A. (eds.) - Advances in Modeling Agricultural Systems: Trans-disciplinary Research, Synthesize, Modeling, and Applications, Volume 5, ASA, CSSA, and SSSA, Madison, WI, USA.

    2014 - View publication details

  19. Hazendonk, P., Brown, M., Byrne, J.M., Harrison, T., Mueller, R., Peacock, K., Usher, J., Yalamova, R., Kröbel, R., Larsen, J., and McNaughton, R. (2014). "Regional Renewable Energy Cooperatives.", American Geophysical Union Fall Meeting 2014, December 2014, Presentation. (Abstract)

    2014 - View publication details

  20. Desjardins, R.L., Worth, D.E., Vergé, X.P.C., VanderZaag, A.C., Kröbel, R., Janzen, H.H., Maxime, D., and Dyer, J.A. (2014). "The carbon footprint of agricultural products: A measure of the impact of agricultural production on climate change.", International Conference on Promoting Weather and Climate Information for Agriculture and Food Security, Antalya, Turkey, April 7-9, 2014.

    2014 - View publication details

Contact

Research facility

Lethbridge Research and Development Centre
5403 1st Avenue South
Lethbridge, AB T1J 4B1
Canada

Expertise

Agriculture›Modeling›Agri-ecosystem

Language

English

Other languages

German