# US farmers to plant less corn as Iran war spikes fertilizer prices | Reuters

> USDA's first survey-based prospective plantings report shows US farmers intend to plant less corn and more soybeans in 2026 than last year. The Iran war has pushed up fertilizer and fuel costs, and analysts said the survey does not fully capture that impact.

- Date: 2026-04-01 · published 2026-04-01T12:00:00.000Z
- Category: report · region US · magnitude medium
- Page: https://feedsoft.ai/events/19743-us-farmers-to-plant-less-corn-as-iran-war-spikes-fertilizer-prices-reuters
- Commodities: [Soybeans](https://feedsoft.ai/c/SOY.md), [Corn](https://feedsoft.ai/c/CORN.md), [Crude Oil (WTI)](https://feedsoft.ai/c/WTI.md), [Urea](https://feedsoft.ai/c/UREA.md)

## Why it matters

Lower expected corn acreage tightens the future US corn supply, which supports corn prices, while the shift toward soybeans shifts demand into soy and meal.

## Read by commodity

- SOY: neutral
- CORN: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SOY | 2026-06-26 | [Will USDA cut corn acres Tuesday? Iran war, wet weather cloud June 30 report. - Pro Farmer](https://feedsoft.ai/events/18834-will-usda-cut-corn-acres-tuesday-iran-war-wet-weather-cloud-june-30-report-pro.md) | +0.4% | +10.7% |
| SOY | 2017-03-31 | [OPINION — Watch corn and soybean planting estimates because they’ll affect price \| FarmersForum.com](https://feedsoft.ai/events/72028-opinion-watch-corn-and-soybean-planting-estimates-because-they-ll-affect-price.md) | -2.2% | -1.8% |
| SOY | 2020-07-06 | [USDA Surprises Drive Corn Prices Higher - farmdoc daily](https://feedsoft.ai/events/52152-usda-surprises-drive-corn-prices-higher-farmdoc-daily.md) | -0.1% | +0.6% |
| SOY | 2026-04-20 | [Crop Progress: Corn 11% Planted, Soybeans 12% Planted, Winter Wheat Rated 30% Good to Excellent as of April 19](https://feedsoft.ai/events/13002-crop-progress-corn-11-planted-soybeans-12-planted-winter-wheat-rated-30-good-to.md) | -0.3% | +0.8% |
| SOY | 2025-09-12 | [Report Snapshot \| Corn yield trimmed to 186.7 bu. per acre - Pro Farmer](https://feedsoft.ai/events/22799-report-snapshot-corn-yield-trimmed-to-186-7-bu-per-acre-pro-farmer.md) | +2.2% | +0.7% |
| CORN | 2024-03-28 | [USDA Estimates Farmers Will Plant 90M Corn Acres, 86.5M Soybean Acres This Year](https://feedsoft.ai/events/31261-usda-estimates-farmers-will-plant-90m-corn-acres-86-5m-soybean-acres-this-year.md) | -2.0% | -3.8% |
| CORN | 2026-10-28 | [Maize plantings to fall 12% as farmers face rising costs](https://feedsoft.ai/events/119-maize-plantings-to-fall-12-as-farmers-face-rising-costs.md) | -0.5% | — |
| CORN | 2024-04-03 | [Fertilizer Market Insights: Planting Report, YTD Urea NOLA Prices, Indian Tender Results, North American Price - Genesis Fertilizers](https://feedsoft.ai/events/5303-fertilizer-market-insights-planting-report-ytd-urea-nola-prices-indian-tender.md) | -0.7% | -0.9% |

## Sources

- reuters.com: https://www.reuters.com/world/us/us-farmers-plant-less-corn-iran-war-spikes-fertilizer-prices-2026-04-01/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.