Iran Conflict Sparks Fertilizer Crisis

What's happened

As of April 2026, Iran's blockade of the Strait of Hormuz has severely disrupted global fertilizer shipments, causing nitrogen fertilizer prices to nearly double. This has hit US and global farmers during critical spring planting, raising production costs and threatening crop yields for staples like corn, wheat, and rice. The shortage risks global food security and will likely push consumer food prices higher worldwide.

What's behind the headline?

Fertilizer Supply Shock and Global Food Security

The Iran conflict has triggered a fertilizer supply crisis by blocking the Strait of Hormuz, a critical artery for global fertilizer and energy shipments. This disruption has caused nitrogen fertilizer prices to surge by up to 70%, with urea prices nearly doubling in some markets. Given that nitrogen, phosphate, and potassium fertilizers are essential for staple crops like corn, wheat, and rice, the shortage will directly reduce crop yields worldwide.

Impact on Farmers and Food Prices

Farmers in the US, India, and other major agricultural producers face sharply increased input costs during the crucial spring planting season. Many are forced to reduce fertilizer use or switch to less fertilizer-intensive crops, which will lower overall productivity. This will ripple through the food supply chain, increasing prices for meat and processed foods reliant on corn and other staples.

Geopolitical and Economic Dimensions

The fertilizer crisis compounds existing pressures from the Ukraine war and global energy price volatility. Russia, a major fertilizer producer, faces its own production challenges due to drone strikes and sanctions, limiting its ability to offset Middle Eastern supply losses. China’s export restrictions on phosphate further tighten global supplies.

Forecast and Consequences

Even if the Iran conflict ends soon, fertilizer supply chains will take months to normalize due to production lead times and shipping delays. Food prices will remain elevated, with US consumers potentially facing grocery bill increases of 12% to 18%. Poorer countries dependent on imports risk food insecurity and crop failures, exacerbating global hunger.

Broader Implications

This crisis highlights the fragility of global agricultural supply chains and the heavy reliance on geopolitically sensitive regions for critical inputs. It underscores the need for diversified fertilizer production and more resilient food systems to withstand future shocks.

How we got here

The Iran conflict began in late February 2026, leading to Tehran's near shutdown of the Strait of Hormuz, a vital shipping route for 20% of the world's oil and nearly a third of global fertilizer trade. This blockade, combined with attacks on regional energy infrastructure, has disrupted fertilizer production and exports, especially nitrogen-based fertilizers critical for crop yields.

Our analysis

The Independent and AP News report on the immediate impact of Iran's blockade of the Strait of Hormuz, emphasizing the sharp rise in fertilizer prices and the threat to global food security. Carl Skau of the World Food Program warns of potential crop failures and higher food costs next year. Business Insider UK highlights the timing during the spring planting season and the domino effect of higher input costs leading to lower yields and shrinking grain stockpiles. The Moscow Times details Russia's position as a major fertilizer producer facing its own production constraints, noting that Russian fertilizer exports could partially fill the gap but are limited by sanctions and domestic demand. The Guardian features Yara International's CEO Svein Tore Holsether, who calls the situation "catastrophic" if the conflict persists, warning of up to 50% yield reductions in some crops. The New York Times and NY Post provide perspectives on the US farming sector's struggles, including rising diesel costs and the Trump administration's policy responses, such as loan guarantees and efforts to increase imports from Venezuela. Reuters offers a detailed analysis of the fertilizer market dynamics, noting that energy costs make up 70% of fertilizer production expenses and that no producer can quickly replace lost Middle Eastern supply. Together, these sources paint a comprehensive picture of a global fertilizer crisis driven by geopolitical conflict, with widespread implications for food production and prices.

Go deeper

• How is the Iran conflict affecting global fertilizer supplies?
• What are the consequences for food prices worldwide?
• What measures are governments taking to support farmers?

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