War in Iran Drives Up Fertilizer Prices, Threatening Crop Yields
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IN SHORT
Global fertilizer prices are surging due to the conflict in Iran, disrupting supply chains and threatening crop yields worldwide. Farmers are facing difficult decisions, including cutting back on fertilizer use, switching crops, or scaling back planting, which could impact the output of key crops like wheat, corn, and barley in the 2026 season. India is increasing its focus on biofertilizers amid these supply fears. Meanwhile, a separate study suggests expanding biofuel demand could boost farm profitability by increasing harvests and broadening the market for corn-based ethanol.
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Key Numbers
2026season for potential crop output impact
Who's Involved
Iran
country where conflict is driving fertilizer price increases
India
country increasing focus on biofertilizers due to supply fears
Farmers
global actors facing difficult choices due to fertilizer costs
American farms
beneficiaries of potential biofuel demand growth
lawmakers
considering broadening the market for corn-based ethanol
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Key facts
The conflict in Iran has disrupted global fertilizer supply chains.
Fertilizer prices for nitrogen, phosphorus, and potassium have significantly increased.
Farmers face choices between reducing fertilizer use or absorbing higher costs.
Reduced fertilizer use risks lower crop yields.
Surging fertilizer costs could impact wheat, corn, and barley output in the 2026 season.
The Middle East conflict has strained shipping routes.
India is increasing its focus on biofertilizers.
India's farmers are preparing for the monsoon planting season.
Concerns exist about the availability of diammonium phosphate.
Expanding biofuel demand could boost farm profitability.
Lawmakers are considering broadening the market for corn-based ethanol.
The ongoing conflict in Iran is severely disrupting global fertilizer supply chains, leading to significant price increases for essential nutrients like nitrogen, phosphorus, and potassium. These surging costs are forcing farmers worldwide to make difficult choices. Many are considering cutting back on fertilizer application, a move that risks lower crop yields, or absorbing the increased expenses, which threatens their financial stability. The situation is particularly concerning for the 2026 season and beyond, with potential impacts on the output of wheat, corn, and barley. This disruption signals a potential structural shift in the global fertilizer market as shipping routes are strained.
In response to these anxieties, India is increasing its focus on biofertilizers as farmers prepare for the monsoon planting season. Concerns about the availability of key ingredients, such as diammonium phosphate, are driving this shift. Globally, farmers are being compelled to cut nutrient use, switch to different crops, or scale back their overall planting intentions due to the elevated fertilizer costs. This situation highlights the vulnerability of agricultural production to geopolitical events and supply chain disruptions.
Separately, a new study indicates that expanding biofuel demand could serve as a catalyst for restoring profitability to American farms. This potential boost comes as harvests are increasing and lawmakers are considering measures to broaden the market for corn-based ethanol. The growth in biofuel demand could offer a pathway to improved farm economics, potentially offsetting some of the pressures faced by farmers due to fertilizer costs.
↳ Why This Matters
The ongoing conflict in Iran is severely disrupting global fertilizer supply chains, leading to significant price increases for essential nutrients like nitrogen, phosphorus, and potassium. These surging costs are forcing farmers worldwide to make difficult choices. Many are considering cutting back on fertilizer application, a move that risks lower crop yields, or absorbing the increased expenses, which threatens their financial stability. The situation is particularly concerning for the 2026 season and beyond, with potential impacts on the output of wheat, corn, and barley. This disruption signals a potential structural shift in the global fertilizer market as shipping routes are strained.
Frequently asked questions
The ongoing conflict in Iran has disrupted global supply chains, particularly affecting the Strait of Hormuz, through which a significant portion of the world's fertilizer supply passes.
Prices for major fertilizers like nitrogen, phosphorus, and potassium have seen double-digit increases. Nitrogen fertilizer costs have reportedly risen by approximately 40% for some farmers.
A survey indicates that around 70% of farmers cannot afford all the fertilizer they need, and nearly 60% have experienced financial worsening due to rising fertilizer and fuel costs.
Farmers are facing the choice between cutting back on fertilizer, which risks lower crop yields, or absorbing the high costs, which threatens their financial viability.
What Happens Next
01The flow of ships through the Strait of Hormuz will be monitored for improvements.
02The U.S. government will continue to explore measures to support farmers facing fertilizer shortages and price increases.
03Farmers will continue to make planting decisions based on fertilizer availability and cost.
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