Roland Kröbel, Ph.D.

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.
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
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St. Luce, M., Lemke, R., Gan, Y., McConkey, B., May, W., Campbell, C., Zentner, R., Wang, H., Kroebel, R., Fernandez, M., Brandt, K. (2020). Diversifying cropping systems enhances productivity, stability, and nitrogen use efficiency. Agronomy Journal, [online] 112(3), 1517-1536. http://dx.doi.org/10.1002/agj2.20162
2020 - View publication details
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Singer, S.D., Soolanayakanahally, R.Y., Foroud, N.A., Kroebel, R. (2020). Biotechnological strategies for improved photosynthesis in a future of elevated atmospheric CO2, 251(1), http://dx.doi.org/10.1007/s00425-019-03301-4
2020 - View publication details
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Mirmasoudi, S., Byrne, J., MacDonald, R., Johnson, D., Kroebel, R. (2019). Modelling historical and potential future climate impacts on Keremeos Creek, an Okanagan-Similkameen watershed, British Columbia, Canada: Part I. Forecasting change in spring and summer water supply and demand. Canadian Water Resources Journal, [online] 44(4), 350-366. http://dx.doi.org/10.1080/07011784.2019.1640137
2019 - View publication details
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Alemu, A.W., Kröbel, R., McConkey, B.G., Iwaasa, A.D. (2019). Effect of increasing species diversity and grazing management on pasture productivity, animal performance, and soil carbon sequestration of re-established pasture in Canadian Prairie. Animals, [online] 9(4), http://dx.doi.org/10.3390/ani9040127
2019 - View publication details
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Fan, J., McConkey, B.G., Liang, B.C., Angers, D.A., Janzen, H.H., Kröbel, R., Cerkowniak, D.D., Smith, W.N. (2019). Increasing crop yields and root input make Canadian farmland a large carbon sink. Geoderma, [online] 336 49-58. http://dx.doi.org/10.1016/j.geoderma.2018.08.004
2019 - View publication details
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Cordeiro, M.R.C., Rotz, A., Kroebel, R., Beauchemin, K.A., Hunt, D., Bittman, S., Koenig, K.M., McKenzie, D.B. (2019). Prospects of forage production in northern regions under climate and land-use changes: A case-study of a dairy farm in Newfoundland, Canada. Agronomy, [online] 9(1), http://dx.doi.org/10.3390/agronomy9010031
2019 - View publication details
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Mirmasoudi, S., Byrne, J., Kroebel, R., Johnson, D., MacDonald, R. (2018). A novel time-effective model for daily distributed solar radiation estimates across variable terrain, 9(4), 383-398. http://dx.doi.org/10.1007/s40095-018-0279-3
2018 - View publication details
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Pogue, S.J., Kröbel, R., Janzen, H.H., Beauchemin, K.A., Legesse, G., de Souza, D.M., Iravani, M., Selin, C., Byrne, J., McAllister, T.A. (2018). Beef production and ecosystem services in Canada's prairie provinces: A review, 166 152-172. http://dx.doi.org/10.1016/j.agsy.2018.06.011
2018 - View publication details
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Legesse, G., Cordeiro, M.R.C., Ominski, K.H., Beauchemin, K.A., Kroebel, R., McGeough, E.J., Pogue, S., McAllister, T.A. (2018). Water use intensity of Canadian beef production in 1981 as compared to 2011. Science of the Total Environment, [online] 619-620 1030-1039. http://dx.doi.org/10.1016/j.scitotenv.2017.11.194
2018 - View publication details
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Martel, M., Glenn, A., Wilson, H., Kröbel, R. (2018). Simulation of actual evapotranspiration from agricultural landscapes in the Canadian Prairies. Journal of Hydrology: Regional Studies, [online] 15 105-118. http://dx.doi.org/10.1016/j.ejrh.2017.11.010
2018 - View publication details
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VanderZaag, A.C., Burtt, S., Vergé, X., Piquette, S., Wright, T., Kroebel, R., Gordon, R. (2018). CASE STUDY: Water budget of a dairy farm with a tie-stall barn for milk cows and summer pasturing of heifers and dry cows. Professional Animal Scientist, [online] 34(1), 108-117. http://dx.doi.org/10.15232/pas.2017-01654
2018 - View publication details
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Guest, G., Smith, W., Grant, B., McConkey, B., Chipanshi, A., Reid, K., Kroebel, R., Martel, M., Desjardins, R., VanderZaag, A., Pattey, E., Glenn, A., Wilson, H., Balde, H., Wagner-Riddle, C., Drury, C.F., Fuller, K., Hayashi, M., Reynolds, D. (2018). Comparing the performance of the dndc, holos, and vsmb models for predicting the water partitioning of various crops and sites across Canada. Canadian Journal of Soil Science, [online] 98(2), 212-231. http://dx.doi.org/10.1139/cjss-2017-0112
2018 - View publication details
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Karimi, R., Janzen, H.H., Smith, E.G., Ellert, B.H., Kröbel, R. (2018). Soil carbon dynamics in wheat plots established on grassland in 1911 as influenced by nitrogen and phosphorus fertilizers. Canadian Journal of Soil Science, [online] 98(3), 580-583. http://dx.doi.org/10.1139/cjss-2017-0133
2018 - View publication details
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Legesse, G., Kroebel, R., Alemu, A.W., Ominski, K.H., McGeough, E.J., Beauchemin, K.A., Chai, L., Bittman, S., McAllister, T.A. (2018). Effect of changes in management practices and animal performance on ammonia emissions from Canadian beef production in 1981 as compared with 2011. Canadian Journal of Animal Science, [online] 98(4), 833-844. http://dx.doi.org/10.1139/cjas-2017-0184
2018 - View publication details
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Little, S.M., Benchaar, C., Janzen, H.H., Kröbel, R., McGeough, E.J., Beauchemin, K.A. (2017). Demonstrating the effect of forage source on the carbon footprint of a Canadian dairy farm using whole-systems analysis and the holos model: Alfalfa silage vs. corn silage. Climate, [online] 5(4), http://dx.doi.org/10.3390/cli5040087
2017 - View publication details
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Alemu, A.W., Janzen, H.H., Little, S., Hao, X.Y., Thompson, D.J., Baron, V., Iwaasa, A., Beauchemin, K.A., Kröbel, R., 2017. Assessment of grazing management on farm greenhouse gas intensity of beef production systems in the Canadian Prairies using life cycle assessment. Agricultural Systems 158, 1-13
2017 - View publication details
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J. Dairy Sci. Vol. 100 (Suppl. 2):265.
2017 - View publication details
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2017 - View publication details
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Karimi, R., Janzen, H.H., Smith, E.G., Ellert, B.H., Kröbel, R. (2017). Nitrogen balance in century-old wheat experiments. Canadian Journal of Soil Science, [online] 97(4), 580-591. http://dx.doi.org/10.1139/cjss-2016-0118
2017 - View publication details
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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
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