Battle for the Belt: Corn vs. Soybean

Have you ever wondered or debated with others on which crop should be planted first – corn or soybean?

  • Which crop has the smallest yield penalty for delayed planting?
  • Can you adjust your management practices to mitigate losses due to late planting?
  • How are insects, diseases, weeds, and other factors affected by planting date?

For soybean and corn, earlier planting is promoted to maximize yield; however, the planting date window is often short and disconnected due to bad weather. As a result farmers often ‘debate’ which crop should be planted first – corn or soybean.

Follow along with Dr. Laura Lindsey and Dr. Osler Ortez as they ‘Battle for the Belt’. Videos and updates will be posted on the CORN newsletter and the AgCrops Team Youtube channel. Click here to access the YouTube playlist.

Researchthe plan is to conduct field experiments at three locations in 2023: Western, Northwest, and Wooster. Five planting date windows:

  1. Ultra-early (first two weeks of April)
  2. Early (second two weeks of April)
  3. Normal (first two weeks of May)
  4. Late (last two weeks of May)
  5. Very late (first two weeks of June)

Corn and soybean will be planted side by side on each planting date. The plan is to repeat the study in 2024.

Extensionon the extension side, we plan on having short, bi-weekly video updates from the field that will be advertised through the CORN newsletter, YouTube, and Twitter. Video updates will include agronomists (OSU and others), other specialists (e.g., plant pathology, weed science, entomology), and farmers. Each will ‘weigh’ the benefits/drawbacks of planting each crop too early or too late. In addition, the research outcomes will be presented as extension articles and talks at extension programming events and field days across the state.


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