Red potash is stored in a warehouse at Nutrien’s Cory Potash mine near Saskatoon on Feb. 11.

Senior officials with the federal department of transport will meet with Nutrien NTR-T on Friday in Ottawa to try to persuade the Saskatchewan-based fertilizer giant to change course and build an up to $1-billion export terminal in Canada instead of the United States.

Minister of Transport Steven MacKinnon and other senior level officials want to understand why Nutrien selected the Port of Longview in Washington for this investment, according to two sources. The Globe is not naming the sources because they are not authorized to speak publicly on the matter.

Mr. MacKinnon is hoping Nutrien will reconsider, given Ottawa’s $5-billion Trade Diversification Corridors Fund, according to one of the

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