While the price of Brent crude is up 12 percent since Friday, fertilizer has increased 33 percent. Fertilizer values are priced to energy but now seem to be outpacing it. Crop nutrients have been hit by a trifecta of higher energy input costs, soaring demand and low supplies. Agricultural commodity futures were limit up again today and Canada’s Nutrien sees a prolonged disruption due to the war. Together, Russia and Belarus produce nearly 33 percent of global potash, Russia is the world’s top exporter of nitrogen, and it exports 12.7 percent of all phosphates. Moscow could short the market further if it so chooses. Because fertilizer represents 15 percent of production costs, U.S. fertilizer use per acre has declined as farmers...