A year-end review of the potash industry says 2019 started strongly but weakened from Q2 as wet Midwest weather limited fertilizer applications. China's September suspension of potash imports added to the demand drop.
Producers responded with curtailments, including Mosaic's Colonsay mine and Nutrien's Allan, Lanigan and Vanscoy mines.
Weaker demand and oversupply pushed potash prices lower through 2019, and the production cuts are the main supply-side response. Buyers should expect firm potash pricing to depend on whether curtailments and Chinese buying resume.
Not enough comparable past events yet for a historical read.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.