By Alice McFarlane

Study says Sask. farmers produce some of the world’s most sustainable crops

Jan 12, 2024 | 1:41 PM

Saskatchewan farmers are producing some of the least carbon-intensive crops in Canada and the world.

This was found in a carbon life cycle analysis commissioned by the Global Institute for Food Security (GIFS) at the University of Saskatchewan (USask).

The two-part study commissioned in 2022 examined the carbon footprint from the production of canola, non-durum wheat, field peas, durum wheat, and lentils. The study went on the compare these footprints to Australia, France, Germany, Italy, and the United States, which are competitive regions across the world that export the same products.

GIFS Chief Executive Officer Dr. Steve Webb said this shows Canadian producers, particularly in Saskatchewan and Western Canada, are producing crops with the least amount of greenhouse gas emissions or carbon dioxide equivalents among regions compared.

“These impressive results are driven by the widespread adoption in Saskatchewan of agricultural innovations and sustainable farming practices that have significantly reduced the amount of inputs and emissions needed to farm each acre of land,” Webb said.

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Some of the common sustainable practices include reduced tillage, the adoption of herbicide-tolerant canola, the variable-rate application of fertilizer, crop rotation systems, and the production of nitrogen-fixing pulse crops.”

The study followed an established protocol for measuring the carbon life cycle of agricultural production. It compiled and reviewed data on the carbon dioxide equivalent emissions for the various activities that go into crop production including transportation, seed, fertilizer and manure inputs, crop inputs, field activities, energy emissions, and post-harvest work.

The carbon life cycle analysis also considered and reviewed data about the ability of agriculture to support soil-based carbon sequestration. It showed Saskatchewan has the smallest carbon footprint across all crop types and regions studied when soil carbon sequestration is accounted for.

Some highlights of the study’s results show that Saskatchewan’s carbon footprint to produce one tonne of canola is 67 per cent lower than the global weighted average.

Canadian growers, led by Saskatchewan farmers, are shown to be the most sustainable producers of non-durum wheat. The results of the carbon life cycle analysis also show that no-till farming and reduced fertilizer applications in Saskatchewan field peas result in a carbon footprint that is more than 95 per cent lower than any other region studied. For lentils, the carbon footprint is 130 per cent lower.

The analysis and comparison to regions across the world provide a detailed understanding of the contributions and impacts of agronomic practices and innovation to sustainable food production.

By analyzing crop production, sequestration, and emissions, it helps provide a more holistic picture of the sustainability of Canadian agriculture. The data points can be used to inform the creation of science-based regulations for the sector.

Webb said there is always room for growth and to scale sustainable farming practices even further.

“However, it’s important to understand that one size does not fit all, and regenerative farming practices must always be suited to regions,” Webb said. “Our regulatory landscape should also recognize differences at the regional level. We hope that the insights gleaned from this study, which are a win for Canada, will inform science-based decisions at the national and international level for Canadian agriculture and the producers involved.”

The study was conducted in partnership with the Food Systems PRISM Lab at the University of British Columbia.

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alice.mcfarlane@pattisonmedia.com

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