Horizon Accord | Fertilizer | Hormuz | Machine Learning
The Fertilizer Crisis, Famine, and The Headline They Missed
While the world watched oil prices, a slower and more consequential crisis was unfolding. The Hormuz closure severed a third of global fertilizer trade at the exact moment farmers needed it most. Five months on, the record shows the disruption was more intermittent than the original piece assumed — and the food-crisis timeline it warned about still hasn't resolved.
Editor's Update — August 25, 2026
This piece was published April 4, 2026, five weeks into what it described as an effective closure of the Strait of Hormuz. The core argument — that fertilizer has no equivalent to the IEA's emergency oil architecture, and that the resulting food-price shock would arrive quietly, months after the oil story faded from headlines — has held up. Two things it got wrong or oversimplified are corrected below, followed by what has and hasn't been confirmed since.
The Strait did not remain under one continuous closure. Iran's foreign minister declared it fully open to commercial vessels on April 17, tied to a ceasefire due to expire within days — market participants treated the reopening as fragile from the start. A US-Iran memorandum of understanding reopened the Strait toll-free around June 17; that agreement broke down in early July, and by late July traffic had fallen back to roughly ten vessels a day against a pre-crisis baseline near 88 to 130, moving under naval escort. The corridor spent the year cycling between closure and contested transit rather than sitting shut for five straight months.
Even the brief reopenings did not restore flow. Fertilizer market analysts noted that hundreds of vessels stranded in the region — carrying a mix of cargo — would compete for access once transit cleared, meaning movement of crop nutrients would stay gradual "even once there is more clarity on the resumption of trade."
The "no equivalent to the IEA" claim held for the United States but needs a footnote for Europe. The European Commission adopted a Fertiliser Action Plan on May 19 — tariff exceptions, a duty-free quota on nitrogen inputs, and CBAM carve-outs — and the Council formally adopted a regulation on July 13 boosting the EU's agricultural reserve and letting member states pay farmers directly for input-cost relief. None of this is a physical strategic reserve comparable to the Strategic Petroleum Reserve. It is closer to the cash-and-liquidity playbook the original piece said didn't exist yet for fertilizer — and by mid-year, it existed in Brussels, not in Washington.
The FAO's own agrifood assessment of the conflict, published in the weeks after this piece, made nearly the identical structural argument: because no large strategic fertilizer reserves exist comparable to oil stocks, any sustained interruption to Gulf flows can quickly elevate global fertilizer costs and contribute to broader food-price inflation. That the same gap was independently flagged by the FAO is the strongest confirmation the original thesis has received.
Urea prices rose approximately 46 percent month-on-month between February and March 2026. Source: World Bank Food and Nutrition Security Update, May 29, 2026.
Overall fertilizer prices were projected to average 31 percent higher across 2026 — the least affordable level since 2022. Source: World Bank Commodity Markets Outlook, cited in the same update.
EU nitrogen fertilizer prices ran 71 percent above 2024 levels by mid-May, the trigger for the Commission's Fertiliser Action Plan. Source: Wikifarmer, citing EU Commission data, May 25, 2026.
The piece's central prediction — a harvest shortfall and food-price spike arriving quietly, roughly six months out from the April planting window — has not yet resolved as of this update. The World Bank's June 30 assessment noted that fertilizer markets had begun to ease from their spring peak, but that the effects of reduced spring application "are likely to become visible only later in harvest outcomes." That data point is still ahead of us, not behind us.
The UN Security Council's August 2026 hunger-hotspot review names the Hormuz-driven fertilizer and fuel disruption as a compounding driver of famine risk in four contexts — Sudan, South Sudan, Gaza, and Somalia — on top of an already severe global hunger baseline. The review describes a narrowing window to prevent widespread loss of life across those contexts, not a resolved outcome.
The Gap Between the Headline and the Consequence
On February 28, 2026, the United States and Israel launched Operation Epic Fury, striking Iranian nuclear and military infrastructure. Within hours, Iran retaliated against commercial shipping in the Persian Gulf and declared the Strait of Hormuz closed to enemy-affiliated vessels. By early March, commercial tanker traffic through the strait had dropped approximately 97 percent from baseline — an effective closure of the world's most critical maritime chokepoint. Oil prices surged past $126 per barrel. The International Energy Agency coordinated the largest emergency release of strategic petroleum reserves in its fifty-year history — 400 million barrels across thirty-two member states.
That is the story the world has been told. It is accurate. It is also incomplete.
The Strait of Hormuz is not only an energy corridor. It is the transit point for approximately one third of globally traded fertilizer — the ammonia, urea, and sulfur that farmers in the Northern Hemisphere apply to their fields every spring. With commercial transit collapsed, those shipments stopped moving. That application window was open at the time of writing. It closes in weeks. And unlike oil, there is no strategic fertilizer reserve. There is no coordinated international release. There is no equivalent of the IEA.
When the fertilizer does not arrive, it does not make headlines. It makes a smaller harvest, six months from now, in countries that are already at the edge.
The Window That Does Not Reopen
Fertilizer is not a commodity that can be delayed and caught up with later. Nitrogen fertilizer, specifically urea, must be applied before crops begin growing. Miss the window and the 2026 harvest is already compromised — no amount of subsequent supply can correct it. As one agricultural analyst put it plainly: if it were fall, farmers would have time to adjust. It is not fall.
The American Farm Bureau Federation warned in mid-March that fertilizer supply shortages could directly hit the US food supply. The president of the South Carolina Farm Bureau reported that farmers are not going to be able to finance planting their crop. According to reports, US Agriculture Secretary Brooke Rollins acknowledged the administration was looking at every possible avenue and said an announcement on solutions was coming. As of April 4, 2026, no coordinated response to the fertilizer crisis existed that was equivalent in scale or structure to the energy sector's emergency architecture.
The 2026 Farm Bill, which passed the House Agriculture Committee with bipartisan support, still needed to move through the Senate. It was written before this crisis existed. The farm safety net farmers were operating under was designed in 2017.
The FAO gave a three-month window before the disruption would affect global planting decisions for 2026 and beyond. That window opened February 28. It closed at the end of May — before the Strait's brief June reopening and July re-closure.
How Fertilizer Becomes Food Becomes Crisis
The Gulf region produces nearly half of the world's urea — the most widely used nitrogen fertilizer — and approximately 44 percent of globally traded sulfur, a critical input for processing phosphate rock into fertilizer. Qatar's state-run QatarEnergy halted output at the world's largest urea plant after its LNG facilities were attacked. India, which depends heavily on Qatari supply, cut output from three of its own urea production facilities in response.
The price response was faster than any comparable disruption in recent history. Urea prices rose more than 28 percent within three weeks of the transit collapse — faster than the 2022 Russia-Ukraine fertilizer shock, which was itself the largest since the 1970s. At US Gulf ports, urea prices were recorded above $823 per ton in some retail markets, a 42 percent increase from pre-conflict levels. Fitch Ratings raised its 2026 ammonia and urea price expectations by 25 percent and warned the figure could go higher.
Fertilizer supply chains are not substitutable in-season. Domestic production cannot scale within weeks. Rerouting around Hormuz via the Cape of Good Hope adds weeks to transit times that are already incompatible with the spring application window. The American Farm Bureau Federation has noted that fertilizer loaded onto ships in the Gulf can take weeks to reach US markets — and must then transfer to river barges, trucks, and trains to reach farmland. Supplies arriving after crops begin growing cannot be used for the 2026 harvest. There is no workaround for a missed planting window.
One third of global seaborne fertilizer trade transits the Strait of Hormuz. Source: United Nations UNCTAD.
46 percent of global urea supply originates in Gulf states. Source: Kpler data analytics.
38 percent of global nitrate-based fertilizer supply was disrupted. Source: Kpler.
Urea prices up 28-42 percent within three weeks. Source: Argus, farmdoc daily, University of Illinois.
China restricted fertilizer exports through August 2026 to protect domestic supply. Source: Reuters, American Farm Bureau Federation.
Russia suspended ammonium nitrate exports in March 2026 citing domestic planting needs. Source: Financial Content markets analysis.
Brazil imports 80-85 percent of its fertilizer. India is the world's largest rice exporter and was cutting domestic urea production. Source: FAO, Foreign Policy.
WFP estimated the fertilizer shortage could push an additional 45 million people into extreme hunger by late 2026. Source: World Food Programme.
The Policy Gap Nobody Named
When the oil supply was threatened, the international response was immediate and coordinated. The IEA exists precisely for this scenario. Member states maintain emergency petroleum reserves equivalent to ninety days of net imports. The release mechanism is established, tested, and large enough to move markets.
There was no equivalent architecture for fertilizer at the time of publication. The G7 countries maintained no strategic fertilizer reserves. There was no international coordinating body for agricultural input emergencies, no release mechanism, no stockpile, no protocol.
This is a structural gap that predates the current crisis. It was visible after the 2022 Russia-Ukraine fertilizer shock. It was not addressed. The Carnegie Endowment for International Peace noted at the time that because fertilizer has less value than oil, political and business leaders expend fewer resources to ensure it keeps flowing — and that a ship captain willing to brave the Strait would prefer to carry oil over fertilizer. So would any potential naval escort.
The Hormuz closure exposed that assumption. The Update above shows the EU has since begun revisiting it, in its own way. The United States, as of this writing, has not.
Who Absorbs the Cost
The countries with the least capacity to absorb this shock were the ones absorbing it first. Ethiopia sources nearly all of its nitrogen fertilizer through Gulf supply routes and was confronting acute shortages during its crucial planting period. Sub-Saharan African nations that import significant shares of their grain from Brazil and India — which were themselves facing input shortages — would feel the downstream effects of yield reductions that had not yet occurred.
Brazil accounts for more than 50 percent of global soybean exports. India is the world's largest rice exporter. When input costs force farmers in those countries to reduce fertilizer application or shift to less input-intensive crops, the consequences propagate through global food supply chains. The FAO projected global fertilizer prices could average 15 to 20 percent higher in the first half of 2026 if the crisis persisted. That projection assumed the Strait would not reopen. It has, intermittently — and prices climbed past that projection anyway.
American farmers were not insulated. Some fertilizer prices in the United States increased more than 70 percent in the ninety days before publication. Trump administration tariffs had added an estimated $100 per ton to some fertilizer costs before the crisis began. USDA conservation program funding was paused in 2025, leaving farmers who had already paid upfront costs without the reimbursements they were promised. The 2026 spring planting season arrived at the intersection of a geopolitical shock, a structural policy failure, and a farm safety net that was not designed for any of it.
What the Record Shows
The energy crisis was managed, imperfectly, through established emergency architecture. The food crisis that followed from the fertilizer disruption had no equivalent management structure in the United States — and, five months on, still does not. The window during which intervention could have meaningfully altered 2026 harvest outcomes closed months ago.
The American Farm Bureau Federation had formally asked the Trump administration to use the US Navy to provide safe transit for fertilizer shipments through the Strait of Hormuz. The administration implemented a Jones Act waiver to improve domestic transport capacity between ports. It distributed $12 billion in existing farm aid. It explored alternative fertilizer sources from Venezuela and Morocco. These were responses to a crisis already in motion — and, per the Update above, they were not matched by the kind of strategic-reserve architecture the piece argued was missing.
The FAO was clear about the timeline: a disruption of up to one month allows markets to stabilize within approximately three months. A disruption of three months or longer affects global planting decisions for 2026 and beyond. By the time the Strait's status stabilized into the intermittent pattern described above, the disruption had already run well past that three-month threshold.
The harvest report, the price spike at the grocery store, and any WFP famine bulletin tied specifically to this disruption are still ahead. When they arrive, the cause will already be known — because it was named here, in April, before the headline caught up.
That is what was not being said loudly enough in April. The oil story had the infrastructure of international response built around it. The food story did not — and outside of Europe's mid-year response, largely still does not. The people who eat at the edges of the global food system are still absorbing the cost of a policy gap that, in the United States, nobody in a position of power has yet moved to close.
