Liquid nitrogen is loaded into a container truck at the ammonia production facility at the SKW Piesteritz agro-chemical plant in Piesteritz near Wittenberg, northern Germany, on April 9, 2026. SKW Piesteritz is Germany's largest producer of ammonia and urea with an annual output of over four million tonnes, manufacturing both a wide range of industrial chemicals and agrochemical products. (Photo by John MACDOUGALL / AFP via Getty Images)

A truck is loaded with bulk bags containing fertilizer at the SKW Piesteritz agro-chemical plant in Piesteritz near Wittenberg, northern Germany, on April 9, 2026. SKW Piesteritz is Germany's largest producer of ammonia and urea with an annual output of over four million tonnes, manufacturing both a wide range of industrial chemicals and agrochemical products. (Photo by John MACDOUGALL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)

General view shows containers stacked up at Jun Gong Road container terminal in Shanghai on April 10, 2026. (Photo by HECTOR RETAMAL / AFP via Getty Images)