It’s Not a Food-Price Crisis. It’s a System Failure.

We have been focusing on oil prices. But the current situation goes far beyond an energy shock.

We are not facing an energy crisis. We are facing an input system crisis.

The closure of the Strait of Hormuz is not just disrupting fuel markets. It is exposing the structural fragility of global agriculture.

The Iran War as a Systemic Shock

The Strait of Hormuz is one of the world’s most critical chokepoints.

• ~20% of global oil trade passes through this corridor
• A substantial share of fertilizer and ammonia trade depends on it

This concentration translates directly into agricultural input risk:

Modern agriculture is fundamentally energy-dependent:

• Nitrogen fertilizers rely on natural gas (Haber–Bosch)
• Agricultural machinery runs on diesel
• Logistics depend on fuel
• Packaging is petroleum-based

Cascade Effect: Energy shock → fertilizer availability → farmer decisions → yield → food system outcomes

• Diesel prices in the U.S. exceeded 5 USD per gallon in March 2026 (EIA; Forbes, 2026)
• Global fertilizer prices increased by 30–35% in early-stage disruption phases (Fertilizer Institute; Fortune, 2026)
• Transport and logistics costs are rising due to fuel and insurance premiums
• Global food prices remain elevated, still above pre-COVID levels (FAO Food Price Index)

This Time Is Different

Unlike the Russia–Ukraine crisis, substitution options are limited.

According to FAO Chief Economist Máximo Torero:

• Gulf-based fertilizer and energy supply has limited short-term substitutes
• Fertilizer production is highly geographically concentrated
• Natural gas dependency is structural
• Global supply chains are optimized for efficiency, not resilience

The most exposed regions include South Asia, East Africa and the Middle East (including Türkiye), where systems are highly dependent on imported inputs (FAO; IFPRI).

Structural Shifts in Production

Input cost pressures are already reshaping farmer decisions.

Under nitrogen constraints, producers shift:

• Away from high nitrogen-demanding crops (e.g., maize)
• Toward less input systems (e.g., soybean, legumes)

This creates downstream effects across the food systems:

• Feed supply constraints
• Higher livestock production costs
• Increased meat and dairy prices
• Reduced affordability of protein

This behavior reflects a classic Cobweb Model, where farmers adjust production decisions based on past prices, leading to delayed supply responses and increased volatility under input shocks.

The Real Crisis: Nutritional Degradation

The dominant discussion focuses on prices. The deeper issue is declining nutritional quality.

This is the ''hidden hunger'' dynamic:

• Calories remain available
• Protein intake declines
• Micronutrient deficiencies increase

Evidence from the Asian financial crisis (Elmira & Qaim, 2025) shows:

• Food price shocks increased child stunting
• At the same time, overweight and obesity also increased

This reflects a structural dietary shift: from nutrient-dense foods toward cheaper, calorie-dense alternatives.

Urban households are more exposed, as they depend on market purchases, whereas rural households partially self-supply (Headey et al., 2020; Elmira & Qaim, 2025).

The Agronomic Blind Spot

Fertilizer demand is price elastic. Higher prices lead to reduced application rates with direct implications for yield (IFA; World Bank). Empirical evidence suggests that a 10% reduction in nitrogen application can lead to yield declines in the range of 3-8%.

The real problem is what is happening in the field.

Reducing nitrogen without improving nitrogen efficiency (NUE) is not a strategy. It is a structural yield loss with cascading system effects.

What is required is a full system redesign under resource and cost constraints.

Nutrient Efficiency

• Precision timing and placement (4R principles)
• Stabilized fertilizers (urease and nitrification inhibitors)
• Controlled-release formulations

Soil System

• Soil pH optimization
• Organic matter restoration
• Enhanced biological nutrient cycling

Water–Nitrogen Coupling

• Irrigation aligned with nitrogen uptake
• Prevention of leaching losses

Crop System Redesign

• Shift toward lower nitrogen-demanding systems
• Integration of legumes and biological nitrogen fixation
• Use of cover crops and resilient varieties

Decision Systems & Technology

• Precision agriculture and variable-rate applications
• Remote sensing and AI-supported decision tools

Policy Implications

What is missing in this crisis is not only supply, it is coordination. Energy, agriculture, and trade systems are reacting, but not acting together.

Without integrated governance:

• Market signals become distorted
• Farmer decisions become more uncertain
• Policy responses arrive too late

This turns volatility into structural instability.

A structured response requires:

• Integrated risk management across energy, agriculture, and logistics
• Monitoring systems for input use, yields, and food prices
• Scenario-based planning for short- and long-term shocks

Priority should be given to:

• Smallholder farmers
• Import-dependent economies

as they represent the most vulnerable segments of the global food system.

Conclusion: A Systemic Crisis

This is no longer:

• An agricultural issue
• A food price issue
• Or an energy issue

It is a systemic crisis. If no action is taken:

• Food price volatility will persist
• Nutritional quality will decline
• Long-term human capital outcomes will deteriorate

The Key Question

What will farmers do next?

• Reduce fertilizer use?
• Shift crop systems?
• Accept lower yields?

Or transition toward a fundamentally different production paradigm?

Dr. Merve Kaya

Global AgriTech Strategist

References

• Elmira, E. S., & Qaim, M. (2025). Macroeconomic shocks and long-term nutritional outcomes. Global Food Security
• FAO (2024–2026). Food Price Index Reports
• IFPRI (2026). Food Policy and Price Sensitivity Analyses
• Headey, D. et al. (2020). Food price shocks and household welfare
• NDSU Agriculture Trade Monitor, 2026
• World Bank (2023–2025). Fertilizer and Food Security Outlook