Article content LONDON/TORONTO — BHP Group is under pressure from Canada to greenlight a giant potash project when it makes a final investment decision by mid-year, but some investors said the world’s biggest miner may obtain better returns by plowing the funds elsewhere. The fertilizer ingredient will be in oversupply over much of the next decade, crimping returns from the project, and BHP may be better off investing more in commodities like copper and nickel which are seeing booming demand from the adoption of electric vehicles and solar power, they said. We apologize, but this video has failed to load.