The closed Strait of Hormuz has created a major fertilizer shock and threatens food security in developing nations as sulfur and phosphate exporters from the Middle East struggle to ship supply to the global markets. Since the Iran war began, supply from the Middle East has crashed, forcing fertilizer producers to reduce output and leading to major price spikes in these markets. SABIC and Ma'aden, two Saudi chemicals giants, have tried to re-route part of their shipments from the ports on the Red Sea that do not need the Strait of Hormuz to ship…