# Defining Optimal Soybean Sowing Dates across the US

> A Scientific Reports study using 2007-2016 cultivar trial data from 27 states finds that sowing soybeans about 12 days earlier would have raised US yields by 10% and generated roughly $9 billion in cumulative gains. Drought effects through vapor pressure deficit are also identified.

- Date: 2019-03-01 · published 2019-03-01T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/60456-defining-optimal-soybean-sowing-dates-across-the-us
- Commodities: [Soybeans](https://feedsoft.ai/c/SOY.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

The study suggests planting-date adjustments could lift future US soybean output, a modest long-run bearish factor for soybean and meal prices if widely adopted.

## Read by commodity

- SBM: neutral
- SOY: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SOY | 2017-02-16 | [Soybean harvest varies across Brazil - Morning Ag Clips](https://feedsoft.ai/events/72330-soybean-harvest-varies-across-brazil-morning-ag-clips.md) | -4.7% | -5.6% |
| SOY | 2021-09-27 | [Low humidity reduces the pace of soybean sowing in Brazil - Revista Cultivar](https://feedsoft.ai/events/44916-low-humidity-reduces-the-pace-of-soybean-sowing-in-brazil-revista-cultivar.md) | -3.0% | -5.0% |
| SOY | 2018-12-13 | [Brazil soybean update and U.S. weather outlook - Morning Ag Clips](https://feedsoft.ai/events/61420-brazil-soybean-update-and-u-s-weather-outlook-morning-ag-clips.md) | -2.2% | -2.3% |
| SOY | 2021-08-10 | [US corn and soybean futures decline - Markets - Business Recorder](https://feedsoft.ai/events/12610-us-corn-and-soybean-futures-decline-markets-business-recorder.md) | -4.0% | -11.5% |
| SOY | 2017-01-24 | [Brazil's Soybean Crop Seen as Amazing](https://feedsoft.ai/events/72859-brazil-s-soybean-crop-seen-as-amazing.md) | -3.3% | -3.0% |
| SBM | 2024-07-31 | [The status of the Midwest and U.S. soybean crop heading into August — AgVenture WSC](https://feedsoft.ai/events/13169-the-status-of-the-midwest-and-u-s-soybean-crop-heading-into-august-agventure-wsc.md) | -1.0% | -8.2% |
| SBM | 2026-03-11 | [Argentina's Soybean Outlook Hinges on BCR vs. USDA Divergence—February Rains Buy Time, But the Skies Remain the Final Arbiter](https://feedsoft.ai/events/13803-argentina-s-soybean-outlook-hinges-on-bcr-vs-usda-divergence-february-rains-buy.md) | -0.8% | -0.4% |
| SBM | 2024-01-18 | [Have Brazilian soybean estimates slipped too far from reality?](https://feedsoft.ai/events/13595-have-brazilian-soybean-estimates-slipped-too-far-from-reality.md) | +1.1% | -3.7% |

## Sources

- nature.com: https://www.nature.com/articles/s41598-019-38971-3

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