UN official warns of looming food crisis as Hormuz fertiliser plan stalls 

A senior United Nations official has warned that parts of Asia and Africa could face a food security crisis unless Iran and the United States quickly agree on a UN-backed plan to move fertiliser through the embattled Strait of Hormuz.

UN ⁠Under-Secretary-General Jorge Moreira da Silva said on Wednesday that it was “absolutely critical” that the two countries agree to the proposal within weeks as planting season approaches. It calls for a UN-staffed coordination centre in Oman to help register vessels and oversee their safe passage in the waterway, through which a large portion of key global fertiliser inputs traditionally flow.

“If we miss that planting season, the productivity of agriculture would significantly drop and the impact on prices will significantly increase,” Moreira da Silva told Reuters on the sidelines of International Monetary Fund and World Bank meetings in Bangkok, Thailand.

Farmers operate strict crop calendars, and even slight delays could severely affect yield.

‘Negligible’ fertiliser shipments

Traffic in the Strait of Hormuz has been severely disrupted since the start of the US-Israel war on Iran, with Iran targeting vessels in the strait and the US and Iran exchanging fire in and around the waterway.

The disruption has hit global supplies of urea, the world’s most widely used nitrogen fertiliser, as well as seaborne sulphur, a key input. Before the war, roughly a third of global urea shipments and nearly half of seaborne sulphur passed through the strait.

Although some ships have been able to sail through amid the crisis, fertiliser products have made up a “very negligible” share of moving cargo, according to the Washington-based International Food Policy Research Institute.

Moreira da Silva said the UN-backed fertiliser mechanism, drawn up in March, could be activated within seven to 10 days if both Iran and the US agree.

Under the plan, UN monitors would work alongside local authorities at Gulf ports to verify cargo loading. Ships would be tracked during transit, and additional inspections could ⁠be carried out if countries raised concerns about a vessel or its cargo, said Moreira da Silva. He did not say why the US and Iran have not yet agreed.

The passage of only five vessels per day through the Strait of Hormuz could keep fertiliser supplies flowing to countries in critical need, he added.

‘Let us do our job’

The UN mechanism could work alongside negotiations for a “comprehensive deal” to restore freedom of navigation in the strait, Moreira da Silva said.

Iran and the US have exchanged proposals through intermediaries since a June interim ceasefire collapsed. Efforts to reopen the Strait of Hormuz have stalled over Tehran’s conditions and Washington’s insistence on addressing Iran’s nuclear programme from the outset.

“What we are telling them is, while you continue your discussions towards a comprehensive deal, let us work, let us do our job,” said Moreira da Silva.

His plea comes amid growing concern that fertiliser shortages could hit global food supplies.

In May, the UN’s Food and Agriculture Organization warned that fertiliser scarcity could tighten food supplies from late 2026 into 2027, and would likely hit countries facing climate or other crises much harder.

In South Asia, where most rely on imported fertiliser, farmers are already struggling because of soaring costs and fertiliser scarcity. On Wednesday, farmers in Spain took to the streets to protest rising production costs amid high oil and fertiliser prices.