The Costs of Soil Erosion to Crop Production in Canada between 1971 and 2015

Nasem Badreldin () and David A. Lobb
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Nasem Badreldin: Department of Soil Science, Faculty of Agricultural and Food Science, University of Manitoba, 13 Freedman Crescent, Winnipeg, MB R3T 2N2, Canada
David A. Lobb: Department of Soil Science, Faculty of Agricultural and Food Science, University of Manitoba, 13 Freedman Crescent, Winnipeg, MB R3T 2N2, Canada

Sustainability, 2023, vol. 15, issue 5, 1-17

Abstract: Canada is known for its massive and fertile landscape, and one of the biggest industries in Canada is crop production, which is responsible for contributing to the national economy as well as the global food supply. Soil erosion is considered the top challenge facing Canadian farmers in the 21st century. This study aims to evaluate soil erosion’s impact on Canadian crop production, assessed based on the integration of soil erosion analysis and multitemporal crop market values from 1971 to 2015. Soil Erosion Risk Indicator models were used to assess soil erosion’s impact on crop productivity using the relationship of soil organic carbon with crop yield gain/loss. The total soil erosion cost of yield losses in the 44 years leading up to 2015 is estimated to be CAD 33.51 billion. 2013 was found to show the highest loss, with CAD 1.93 billion. Oilseeds, small grains, and potatoes were the major crop commodities that were impacted by yield loss as a direct result of soil erosion, the costs being 41%, 37%, and 15%, respectively. Ontario and Saskatchewan were the most impacted provinces, with costs of 45.25% and 22.50%, respectively. Four eras were detected in this research, each having unique soil erosion costs, which reflect different agriculture policy and soil conservation efforts: Era 1 (1971–1988), Era 2 (1989–1995), Era 3 (1996–2007), and Era 4 (2008–2015). This research is the beginning of exploring the cost of the environmental impacts on agriculture sustainability in Canada and supporting decision makers in adopting effective soil conservation strategies to mitigate these impacts.

Keywords: soil erosion; agricultural valorization; crop value; agriculture in Canada (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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