CASE STUDY REPORT March 2026

Executive Summary

The ongoing Middle East conflict has catalysed a severe disruption to global fertiliser supply chains, with Iran’s effective closure of the Strait of Hormuz severing approximately one-third of seaborne fertiliser trade. This case study examines the structural causes of this disruption, its global reverberations, and the specific vulnerabilities and policy imperatives it creates for Singapore — a city-state with near-total dependence on food imports and a strategic interest in regional agricultural stability.

KEY FINDING

Without nitrogen, phosphorus, and potassium fertiliser inputs, global crop production could fall by up to one-third (INRAE modelling). The southern hemisphere sowing season beginning June 2026 represents the nearest hard deadline for policy intervention.

1. Case Study: The Fertiliser Supply Shock

1.1 Background and Trigger Event

Artificial fertilisers — supplying nitrogen (N), phosphorus (P), and potassium (K) — underpin modern agricultural productivity. Global demand has grown continuously, driven primarily by Asian population growth and dietary transition. The Gulf Cooperation Council (GCC) states, endowed with abundant natural gas reserves, have emerged over several decades as the world’s principal fertiliser manufacturing hub.

The escalating Middle East conflict — triggered by US and Israeli strikes on Iran, followed by Iranian retaliatory action against Gulf neighbours — has produced two compounding shocks: (1) the physical shutdown of fertiliser production facilities, particularly in Qatar, and (2) the effective closure of the Strait of Hormuz to commercial shipping, through which approximately one-third of globally seaborne fertiliser transits.

1.2 The Gulf’s Structural Dominance in Fertiliser Production

The region’s supremacy in fertiliser production is not incidental but structurally determined by feedstock availability. Natural gas is the primary input for nitrogen-based fertilisers (urea, ammonium nitrate), while sulphur — a co-product of the oil and gas industry — is essential for phosphate processing. Where gas and oil extraction is concentrated, fertiliser manufacturing follows.

Fertiliser / Input	Gulf Region’s Global Market Share
Sulphur (globally traded)	~50%
Urea (globally traded)	~33%
Ammonia (globally traded)	~25%
Phosphate rock (Saudi Arabia alone)	~20%

Asia’s dependency is particularly acute: the region imports 64% of its ammonia and more than 50% of its sulphur and phosphates from Gulf states (Kpler, 2024 data). Beyond Asia, Brazil — the world’s largest soybean producer — sources most of its urea from Qatar and Iran. India relies on Saudi phosphate. The United States and Australia import substantial shares of their urea and phosphate from the Gulf.

1.3 Transmission Channels of the Disruption

The disruption propagates through three distinct but interconnected channels:

Direct Channel: Physical Production Shutdown

Fertiliser production facilities in Qatar and other Gulf states have been forced to curtail or halt output due to conflict proximity and safety concerns. The Strait of Hormuz remains largely unnavigable; as of mid-March 2026, approximately 20 vessels laden with fertiliser cargo were reported awaiting transit by commodity tracker Kpler.

Indirect Channel: Intermediate Input Dependencies

Nations superficially less exposed are affected through intermediate production inputs. Europe, while sourcing only 11% of its urea directly from the Gulf, faces indirect exposure through Morocco (Europe’s major phosphate supplier, itself dependent on Gulf sulphur) and Egypt (which supplies 26% of European urea but has lost natural gas pipeline supply from Israel). Egyptian urea prices have risen from approximately USD 500 to over USD 650 per tonne since the conflict began — a 30% increase absorbed by European farmers.

Tertiary Channel: Substitution and Rationing Effects

Nations sourcing gas from the Middle East for domestic fertiliser production — including India — have been forced to ration factory supplies. Bangladesh has temporarily shuttered five of its six fertiliser plants. These capacity losses further tighten global availability and drive up prices for the remaining supply.

1.4 Timeline of Key Events

Period	Event	Impact
Pre-conflict	Gulf produces ~33% of global urea, ~50% of sulphur	Baseline concentration risk
Conflict onset	US/Israeli strikes on Iran; Iranian retaliation against Gulf neighbours	Production shutdowns begin
Early March 2026	Strait of Hormuz effectively closed to fertiliser shipping	~20 vessels stranded; prices spike
7 March 2026	Single Chinese sulphur vessel departs	Minimal relief; 20 ships remain
Mid-March 2026	Egyptian urea reaches USD 650/tonne (+30%)	Direct cost pass-through to farmers
June 2026 (upcoming)	Southern hemisphere sowing season begins	Hard deadline for supply normalisation

2. Global Outlook

2.1 Near-Term Scenario (0–6 Months)

The most critical immediate pressure point is the southern hemisphere planting season commencing June 2026. Agricultural systems in Brazil, Argentina, South Africa, and Australia require fertiliser application in this window; delayed procurement cannot be fully compensated by retrospective purchases. Current stockpiles provide near-term coverage for existing contracted orders, but replenishment pipelines are disrupted.

RISK	If the Strait of Hormuz remains closed through May 2026, southern hemisphere food production for the 2026–27 harvest year will be materially compromised. Brazil’s soybean sector — which feeds global protein supply chains including Southeast Asia — is directly exposed.

Price escalation is already entrenched. Global fertiliser indices have risen sharply, echoing (though not yet matching) the price spikes following the 2022 Russian invasion of Ukraine, when European gas disruptions removed a major fertiliser supplier from world markets. The precedent from 2022–23 demonstrated that even a partial supply contraction can translate into food price inflation with a 6–12 month lag.

2.2 Medium-Term Scenario (6–18 Months)

The medium-term outlook is shaped by two variables with high uncertainty: the duration of the conflict and the extent of physical damage to production infrastructure. Fertiliser plants are capital-intensive and technically complex facilities; even a negotiated ceasefire does not guarantee rapid production restoration. Repair timelines for major damage could extend 12–24 months.

Structural responses are already being activated. The European Union, which underwent a painful reckoning with energy and fertiliser dependency following the Ukraine war, is likely to accelerate efforts to develop a diversified fertiliser supply strategy. Alternative production from Russia (currently partially sanctioned), North Africa, Canada (potash), and the United States may partially offset Gulf losses, but full substitution is unlikely in the near term given infrastructure constraints.

2.3 Long-Term Structural Implications

This crisis reinforces a pattern observed across multiple commodity sectors: geographic concentration of production creates systemic fragility that markets consistently underestimate during stable periods. The concentration of fertiliser production in a geopolitically volatile region was a known risk for decades; the absence of strategic stockpiling and supply diversification at national and multilateral levels reflects a collective action failure.

Long-term, the shock may accelerate investment in: (1) alternative fertiliser chemistries and biologicals reducing synthetic fertiliser dependency; (2) precision agriculture technologies lowering per-hectare nutrient requirements; (3) strategic national fertiliser reserves analogous to petroleum strategic reserves; and (4) renewed investment in domestic or regional fertiliser production capacity in food-import-dependent nations.

3. Impact on Singapore

3.1 Singapore’s Food Security Profile

Singapore presents an extreme case of food import dependency. Approximately 90% of the country’s food supply is sourced from over 170 countries and regions. The city-state produces less than 10% of its nutritional needs domestically, a structural reality driven by land scarcity (728 km² total area, much of which is urbanised) and the economics of urban land use.

Singapore’s ’30 by 30′ goal — producing 30% of nutritional needs locally by 2030, as set by the Singapore Food Agency (SFA) — represents an ambitious but still partial mitigation of this dependency. As of 2026, domestic production remains well below this target.

CONTEXT

Singapore imports ~630,000 tonnes of food annually. Key sources include Malaysia (fresh produce, poultry), Brazil and the US (soybeans, processed foods), Indonesia (seafood, palm oil), India (rice, pulses), and Australia (meat, dairy). All of these supply chains are exposed to the fertiliser shock with varying degrees of directness.

3.2 Direct and Indirect Exposure Pathways

Pathway 1: Food Import Price Inflation

The most immediate impact on Singapore is price transmission through food imports. As fertiliser price increases reduce agricultural profitability and output in producing nations, food commodity prices rise globally. Singapore’s food Consumer Price Index is directly susceptible — a dynamic that is politically and socially sensitive given Singapore’s role as a high-cost-of-living city. Low-income households spend a disproportionate share of income on food; prolonged food price inflation is regressive.

Pathway 2: Supply Disruption Risk from Key Source Countries

Several of Singapore’s key food suppliers face direct fertiliser supply exposure:

Source Country	Key Exports to Singapore	Fertiliser Exposure
Brazil	Soybeans, processed protein	High — dependent on Qatari/Iranian urea
India	Rice, pulses, spices	High — dependent on Saudi phosphate; factory rationing ongoing
Australia	Meat, wheat, dairy	Moderate — Gulf urea dependency; partially substitutable
Indonesia	Palm oil, seafood, produce	Moderate — Gulf fertiliser dependency for food crops
Malaysia	Fresh produce, poultry	Moderate — indirect via global fertiliser price inflation

Pathway 3: Port and Shipping Disruption

As a major global transshipment hub, Singapore’s port operations are sensitive to any reconfiguration of shipping routes. While the Strait of Hormuz disruption primarily affects the Middle East-to-Asia shipping lane, prolonged conflict can induce broader maritime risk repricing, insurance premium increases, and shipping route adjustments that affect Singapore’s transshipment volumes and costs.

Pathway 4: Regional Agricultural Stability

Singapore’s food security is embedded in ASEAN’s agricultural system. If fertiliser scarcity reduces rice, palm oil, or vegetable output across the ASEAN region, Singapore faces heightened competition for available supplies and possible export restrictions from neighbouring countries protecting domestic food availability — a risk that materialised briefly during COVID-19 and the 2022 commodity shock.

3.3 Vulnerability Assessment

Vulnerability Dimension	Singapore Risk Level
Food import price inflation	HIGH — near-total import dependency
Supply volume disruption	MEDIUM-HIGH — diversified sourcing reduces risk
Specific commodity scarcity (rice, staples)	MEDIUM — stockpile buffers provide short-term cover
Regional export restriction risk	MEDIUM — ASEAN relationships partially mitigate
Port and shipping cost exposure	MEDIUM — Hormuz route less critical than Malacca
Downstream economic impact	MEDIUM — food inflation affects household welfare and F&B sector

4. Policy Responses and Solutions

4.1 Immediate Measures (0–6 Months)

Strategic Stockpile Activation and Procurement Diversification

Singapore’s existing food stockpiling mechanisms — managed by the SFA in coordination with major importers — should be reviewed for adequacy against the extended disruption scenario. Urgent procurement from non-Gulf fertiliser supply chains (Canadian potash, Russian nitrogen where not sanctioned, Moroccan phosphate with alternative sulphur sourcing) can partially substitute for disrupted Gulf supply.

Price Stabilisation Measures

Targeted intervention in food markets may be warranted if price inflation becomes severe. Options include temporary import duty waivers on priority food commodities, enhancement of the existing CDC (Community Development Council) voucher system for low-income households, and coordination with supermarket operators on pricing transparency and anti-profiteering measures.

ASEAN Diplomatic Activation

Singapore should intensify diplomatic engagement through ASEAN frameworks to coordinate regional responses to the fertiliser shock, advocate for continued agricultural trade flows within the bloc, and discourage unilateral export restrictions that would exacerbate food security risks for import-dependent members.

4.2 Medium-Term Measures (6–24 Months)

Acceleration of the ’30 by 30′ Programme

The crisis provides political impetus for accelerating Singapore’s domestic food production targets. While land constraints remain binding, the following vectors merit intensified investment:

• High-technology indoor vertical farming (leafy vegetables, herbs)
• Aquaculture expansion in sea-based and land-based recirculating systems (seafood)
• Precision fermentation and alternative protein production reducing dependence on conventional livestock supply chains
• Rooftop and community farming for nutritional supplementation and social resilience

Fertiliser Supply Chain Intelligence

The SFA and Economic Development Board should develop ongoing fertiliser market monitoring capabilities — tracking global production, pricing, and shipping flows — to provide early warning of food supply risks. Integration with commodity intelligence providers such as Kpler and Argus Media can enhance Singapore’s situational awareness.

Investment in Regional Agricultural Productivity

Singapore’s sovereign wealth infrastructure (GIC, Temasek) and development finance institutions could direct investment toward agricultural productivity improvement in ASEAN, including fertiliser-efficient crop varieties, precision agriculture deployment, and soil health programmes. Improving the efficiency of fertiliser use in supplying nations reduces Singapore’s exposure to supply shocks.

4.3 Long-Term Structural Reforms (2+ Years)

Formal Food Security Treaty Architecture

Singapore should advocate for a formal ASEAN Food Security Treaty with binding commitments on minimum intra-bloc food trade volumes during crises, analogous to energy security frameworks in other regional blocs. The absence of such architecture was exposed during COVID-19 and remains a systemic gap.

Strategic Fertiliser Reserve

Analogous to Singapore’s petroleum strategic reserves, the government should evaluate the feasibility of a fertiliser strategic reserve held offshore or in partnership with agricultural importing nations. This would provide buffer time during supply disruptions for diplomatic resolution and alternative procurement. A multilateral approach through ASEAN or the G20 may offer more cost-effective scale.

Alternative Protein and Food System Transition

A long-run structural solution to fertiliser vulnerability is reducing reliance on fertiliser-intensive conventional protein production. Singapore has positioned itself as a hub for alternative proteins (cultivated meat, plant-based proteins, precision fermentation). Scaling these technologies — which are largely fertiliser-independent — would structurally decouple Singapore’s food security from agricultural commodity cycles.

STRATEGIC OPPORTUNITY

This crisis — the third major commodity shock in four years (after COVID-19 and the 2022 Ukraine war) — creates a clear political window for Singapore to make a comprehensive food security investment case domestically and to build multilateral frameworks that have been repeatedly deferred. The window for structural reform is typically short after each shock; it should not be missed.

5. Conclusion

The Middle East conflict’s impact on global fertiliser supply represents a textbook case of how geographic concentration of critical input production, combined with geopolitical volatility, creates systemic food security risk with potentially global consequences. The Gulf region’s structural dominance in sulphur, urea, ammonia, and phosphate production — built on natural gas abundance — is now a single point of failure for agricultural systems on multiple continents.

For Singapore, the disruption activates food security vulnerabilities that have been acknowledged in policy but insufficiently addressed in practice. The near-total dependence on food imports, the complexity of supply chains connecting Singapore to fertiliser-dependent producing nations, and the absence of robust multilateral food security architecture collectively expose Singapore to food price inflation and potential supply disruption.

The pathway forward requires action across multiple timeframes: immediate stabilisation through stockpile management and diplomatic engagement; medium-term acceleration of domestic production and supply chain diversification; and long-term structural reforms including a fertiliser strategic reserve, ASEAN food security treaty architecture, and accelerated transition toward fertiliser-independent food production technologies.

Each major commodity shock of the past four years has renewed the urgency of these reforms without producing sustained institutional response. The fertiliser crisis of 2026 provides a further — and potentially decisive — impetus for Singapore to move from strategic acknowledgement to structural action.

References and Sources

AFP / Yahoo News. (12 March 2026). ‘War disrupts fertiliser supplies, puts food security at risk.’ Singapore edition.

Argus Media. (2026). Fertiliser market intelligence and price data. Analysts: Sarah Marlow, Arthur Portier.

Kpler. (2024–2026). Commodity flow tracking data: Gulf region fertiliser exports, Strait of Hormuz shipping.

INRAE (Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement). Modelling of global crop production sensitivity to NPK fertiliser availability. Analyst: Sylvain Pellerin.

Singapore Food Agency. (2026). ’30 by 30′ Food Production Target. https://www.sfa.gov.sg

United Nations. (March 2026). Statement on fertiliser access in developing countries.

ASEAN. (2022–2026). ASEAN Integrated Food Security (AIFS) Framework documentation.