# US corn planting seen down, soy acres up as Iran war inflates costs, analysts say

> A Reuters analysis says the Iran war has upended US planting intentions, with farmers expected to plant fewer corn acres and the lowest spring wheat area since 1970. Analysts said low grain prices also dim profit prospects ahead of a USDA report due Tuesday.

- Date: 2026-04-01 · published 2026-04-01T12:00:00.000Z
- Category: geopolitics · region US · magnitude medium
- Page: https://feedsoft.ai/events/20180-us-corn-planting-seen-down-soy-acres-up-as-iran-war-inflates-costs-analysts-say
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md), [Wheat (SRW)](https://feedsoft.ai/c/WHEAT.md)

## Why it matters

Fewer corn acres tightens the outlook for feed grain supply, while higher fertilizer costs shift acres toward soybeans, supporting soybean meal and corn prices over time.

## Read by commodity

- SOY: bullish ▲
- CORN: bullish ▲
- WHEAT: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2026-04-07 | [Fertilizer spike adds up to $35/acre for US corn as Iran crisis bites](https://feedsoft.ai/events/20029-fertilizer-spike-adds-up-to-35-acre-for-us-corn-as-iran-crisis-bites.md) | -2.5% | +3.0% |
| CORN | 2026-03-16 | [Iran War: Asian feed millers take ‘wait‑and‑see’ approach as corn prices surge](https://feedsoft.ai/events/20358-iran-war-asian-feed-millers-take-wait-and-see-approach-as-corn-prices-surge.md) | +2.4% | -1.7% |
| CORN | 2022-03-01 | [Morning report: Corn buys back acres amidst Ukrainian planting uncertainty – The Seam](https://feedsoft.ai/events/42330-morning-report-corn-buys-back-acres-amidst-ukrainian-planting-uncertainty-the.md) | +4.7% | +12.1% |
| CORN | 2022-03-01 | [EU corn in demand as Ukraine war brings growing supply gap](https://feedsoft.ai/events/42326-eu-corn-in-demand-as-ukraine-war-brings-growing-supply-gap.md) | +4.7% | +12.1% |
| CORN | 2026-07-15 | [Wheat Skyrockets as Black Sea Exports Threatened, Pulling up Corn and Soybeans - AgWeb](https://feedsoft.ai/events/7275-wheat-skyrockets-as-black-sea-exports-threatened-pulling-up-corn-and-soybeans.md) | +3.2% | -0.3% |
| SOY | 2022-03-01 | [Morning report: Corn buys back acres amidst Ukrainian planting uncertainty – The Seam](https://feedsoft.ai/events/42330-morning-report-corn-buys-back-acres-amidst-ukrainian-planting-uncertainty-the.md) | +1.8% | +1.2% |
| SOY | 2026-07-15 | [Wheat Skyrockets as Black Sea Exports Threatened, Pulling up Corn and Soybeans - AgWeb](https://feedsoft.ai/events/7275-wheat-skyrockets-as-black-sea-exports-threatened-pulling-up-corn-and-soybeans.md) | +1.0% | -4.9% |
| SOY | 2022-05-07 | [Soy boon for Argentina as Ukraine war boosts prices \| The Straits Times](https://feedsoft.ai/events/14033-soy-boon-for-argentina-as-ukraine-war-boosts-prices-the-straits-times.md) | +4.1% | +2.6% |

## Sources

- reuters.com: https://www.reuters.com/world/us/us-corn-planting-seen-down-soy-acres-up-iran-war-inflates-costs-analysts-say-2026-03-27/

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