As of early February, U.S. farmers are facing decade high fertilizer prices going into the spring planting season. Moreover, the overall fertilizer price index calculated by Green Markets North America jumped by the highest margin since the first week in September.

There have been many factors impacting the market. In addition to increased demand for fertilizers, issues on the supply side, such as natural gas prices, fertilizer production disruptions resulting from Hurricane Ida, supply chain challenges, and transportation problems have helped push up prices. Of course, general inflationary pressures have had an impact as well.   Another key factor, however, is tariffs and sanctions. Potash is affected by Western sanctions on...