Researcher believes plant growth regulators are worth a try

Mar 08, 2023

Research being conducted on plant growth regulators (PGR) show the product can help a cereal crop but there are no guarantees.

There has been increased use of these products on the prairies, according to Dr. Breanne Tidemann, a research scientist with Agriculture and Agri-Food Canada based in Lacombe, Alta.

Tidemann said PGRs are chemicals that are applied to plants that change how they grow. In western Canadian agriculture, it is typically used to shorten the plants and then reduce their chance of lodging in field crops.

“Wheat and barley in particular are the two that we’re using them on, and the goal is to be able to up nitrogen rates and still get some increased yield, but not get the increased height with the plants falling every which way that we sometimes see when we do that,” Tidemann said.

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Video: From Conventional to Regenerative: Will Groeneveld’s Journey Back to the Land

"You realize you've got a pretty finite number of years to do this. If you ever want to try something new, you better do it."

That mindset helped Will Groeneveld take a bold turn on his Alberta grain farm. A lifelong farmer, Will had never heard of regenerative agriculture until 2018, when he attended a seminar by Kevin Elmy that shifted his worldview. What began as curiosity quickly turned into a deep exploration of how biology—not just chemistry—shapes the health of our soils, crops and ecosystems.

In this video, Will candidly reflects on his family’s farming history, how the operation evolved from a traditional mixed farm to grain-only, and how the desire to improve the land pushed him to invite livestock back into the rotation—without owning a single cow.

Today, through creative partnerships and a commitment to the five principles of regenerative agriculture, Will is reintroducing diversity, building soil health and extending living roots in the ground for as much of the year as possible. Whether it’s through intercropping, zero tillage (which he’s practiced since the 1980s) or managing forage for visiting cattle, Will’s approach is a testament to continuous learning and a willingness to challenge old norms.

Will is a participant in the Regenerative Agriculture Lab (RAL), a social innovation process bringing together producers, researchers, retailers and others to co-create a resilient regenerative agriculture system in Alberta. His story highlights both the potential and humility required to farm with nature, not against it.