Higher fertilizer costs may influence US corn acreage yields and prices
Nitrogen fertilizer prices have risen sharply in recent weeks, creating new concerns for corn producers preparing for the 2026 growing season. Since nitrogen fertilizer is a major input in corn production, rising costs can affect planting decisions, crop yields, and profit expectations across U.S. farms.
Recent retail price data show that fertilizer prices have increased noticeably. Urea prices reached about $674 per ton in mid-March, rising 12% compared to a month earlier and 23% higher than the previous year. Prices for UAN28 fertilizer also climbed to around $464 per ton, which is 13% higher than a month ago and 31% higher than the same time last year.
Analysts link the latest price spike to geopolitical tensions in the Middle East. The conflict involving Iran and threats to shipping routes through the Strait of Hormuz have created uncertainty in global fertilizer supply. Countries in the Gulf region are major exporters of nitrogen fertilizers, and disruptions in shipping routes can affect fertilizer availability and costs worldwide.
Higher fertilizer prices directly increase the cost of producing corn. When production costs rise, farmers often reconsider planting decisions. In many regions of the United States, corn is commonly rotated with soybeans. Crop rotation helps maintain soil health and often results in better yields. However, farmers may adjust their planting plans depending on expected profits.
Because soybeans require less nitrogen fertilizer than corn, higher fertilizer prices could encourage some farmers to plant more soybeans. Current projections suggest U.S. farmers may plant around 94 million acres of corn and 85 million acres of soybeans in 2026. Some analysts believe the fertilizer price increase could reduce corn acreage slightly.
Corn prices have also increased during the same period. Futures prices for corn rose from about $4.47 per bushel in early January to nearly $4.79 by mid-March. Strong demand and rising production costs have helped support this price increase.
Higher fertilizer costs may also lead some farmers to apply less fertilizer. Reduced fertilizer use could lower crop yields, which may further support corn prices later in the season.
Although fertilizer and fuel costs have increased, recent corn price gains have helped offset some of these expenses. Market conditions during the rest of the growing season will largely depend on global supply conditions and developments in the Middle East.
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