How to Secure the Flow of Fertilizers: A Focus on Potash
The Atlantic Council analyzes the vulnerability of US potash supply amid global disruptions, particularly the closure of the Strait of Hormuz due to the Iran war, which has driven up fertilizer prices. While the US produces nitrogen and phosphate domestically, it relies on imports for 92% of its potash, with Canada supplying 79%. Past disruptions include cross-border vaccine mandates, a Canadian rail strike, and sanctions on Russia and Belarus. The US recently lifted potash sanctions on Belarus in a prisoner swap to diversify supply. The article recommends an internationally minded policy approach, noting that potash was added to the US critical minerals list in 2025. Domestic production remains stagnant at 500,000 metric tons annually, far below consumption of 5.9 million metric tons.
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