Fertilizer chokepoint: Iran war ripples threaten global food supply
As conflict around Strait of Hormuz disrupts urea flows, a fragile global food system faces rising prices, and strained supply chains
TEHRAN, Iran (MNTV) — Iran sits at the geographic center of one of the world’s most critical agricultural arteries, where vast volumes of urea — a cornerstone of modern farming — pass through the Strait of Hormuz en route to feed entire continents.
Roughly 35% of global urea trade moves through the narrow waterway. Major exporters such as Saudi Arabia, the world’s largest supplier, ship their output past Iranian shores, alongside Oman, Qatar and the United Arab Emirates. Every tanker carrying these cargoes transits within range of Iranian territory, a long-standing reality that has taken on new urgency amid escalating conflict.
The United States and Israel’s war against Iran has effectively turned the strait into a high-risk corridor. While no formal blockade or closure has been declared, the impact has been immediate: insurance premiums for shipping have surged, routes have been altered or suspended, and fertilizer traders have begun stockpiling supplies in anticipation of further disruption, a Press TV report says.
The result is a rapidly intensifying market shock. Global fertilizer prices have risen by more than 25% in a single month. The Food and Agriculture Organization has warned that if instability persists, prices could climb an additional 15% to 20% by midsummer.
The implications extend far beyond commodity markets. The conflict, initially framed as an effort to weaken Iran economically, is now reverberating through global supply chains, threatening agricultural production and food security. Analysts increasingly warn that sustained disruption could push vulnerable regions closer to hunger and even famine.
An assessment by Financial Times cautioned that worsening food insecurity is a foreseeable consequence of prolonged hostilities, underscoring how tightly intertwined geopolitics and food systems have become.
At the center of this vulnerability lies a deeper structural reality rooted in the mid-20th century Green Revolution. Advances in high-yield crop varieties transformed agriculture across Asia and Latin America, dramatically boosting production and reducing famine risks. But these gains came with a dependency: intensive use of industrial fertilizers, particularly nitrogen-based products such as urea and ammonium nitrate.
These fertilizers are derived from natural gas, effectively linking global food production to energy markets. Over time, hydrocarbon-rich Persian Gulf states leveraged this connection, investing heavily in petrochemical industries to become leading producers of ammonia and urea. By 2024, the region accounted for more than a third of global urea exports.
This concentration of supply has created a strategic bottleneck. Nearly all shipments must pass through the Strait of Hormuz, making the stability of this maritime corridor essential to global agriculture. In periods of conflict, however, the strait’s proximity to Iran transforms it into a point of vulnerability.
Early signs of strain are already visible in key agricultural regions. In the United States, farmers preparing for planting season are facing sharply rising fertilizer costs. Surveys by the American Farm Bureau Federation indicate that a significant majority of farmers are unable to secure sufficient fertilizer, with urea prices reaching record highs.
The consequences are cascading. Reduced fertilizer application leads to lower crop yields, diminished farm incomes and, ultimately, higher food prices for consumers. What begins as a supply disruption in a distant waterway quickly translates into economic pressure on households thousands of miles away.
The situation illustrates a broader paradox. Efforts to pressure Iran have instead exposed the global system’s dependence on stable transit through waters adjacent to its territory. Iran has not formally closed the strait, nor has it directly halted fertilizer shipments, yet the mere risk environment has been sufficient to disrupt trade flows.
This dynamic has placed Tehran in an unexpected position of influence. Its geographic location effectively makes it a gatekeeper of a critical supply route, not through deliberate policy but as a consequence of global dependency on the corridor.
For now, Iran maintains that its posture in the strait is defensive, focused on safeguarding its territorial waters. However, the persistence of conflict continues to amplify uncertainty, leaving markets on edge and supply chains under strain.
The broader lesson is increasingly difficult to ignore. A war intended to reshape regional power dynamics is instead reshaping global economic vulnerabilities, highlighting the limits of military strategy in a deeply interconnected world.
As fertilizer prices climb and food security concerns intensify, attention is shifting toward the same country at the center of the conflict. By virtue of geography and its position along the Strait of Hormuz, Iran has become an indispensable factor in stabilizing a system now at risk of cascading disruption.
Whether that role translates into de-escalation or deeper crisis may determine not only the trajectory of the conflict, but also the resilience of the global food supply in the months ahead.
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