Each car covered more than 2,000 kilometres of prairie farmland in five days, representing an estimated 80 percent of the total prairie growing region.
Yield estimates were based on a mix of conversations with farmers and random plot counts.
Maxence Devillers, a grain analyst with Argus Media, said spring wheat yields were above average through most of Alberta but below average in a large portion of western Saskatchewan.
Argus is forecasting 26 million tonnes of spring wheat production and 28.4 million tonnes of spring and winter wheat production.
That would be the third largest non-durum wheat crop in history behind 2013 and 2020.
Argus partnered with LeftField Commodity Research on the tour.
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