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Corn Stalk Residue Could Take Us to the Stars

By Lori Walsh and Ellen Koester et.al

A new NASA EPSCoR grant will help South Dakota Mines researchers explore the next generation of lithium sulfur batteries. Those batteries could be powered by the waste produced from processing plants.

The research was a team effort that spanned disciplines at South Dakota Mines. A few of the experts who worked on this project joined In the Moment to explain their work and unexpected discovery.

Rajesh Shende, Ph.D., is a professor of chemical and biological engineering. He specializes in finding uses for agricultural byproducts.

And Edward Duke, Ph.D., is a professor of geology and geological engineering and the director of the South Dakota Space Grant Consortium and the South Dakota NASA EPSCoR Program.

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Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Video: Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Can supplemental nitrogen help soybeans reach higher yield potential? Technical Agronomist Tim Sickman walks through an ongoing trial at the Nutrien Innovation Farm in Owensboro, Kentucky, exploring whether a modest amount of nitrogen applied at planting can support higher-yielding soybean environments.

The trial compares 30 pounds of supplemental nitrogen across both 15- and 30-inch rows, along with treatments that include sulfur and micronutrients. Similar trials conducted in 2024 and 2025 delivered a six- to seven-bushel yield response, prompting the team to expand the research this season.

Early observations show that treated soybeans are slightly taller and averaging about two additional nodes on the main stem. These added nodes could create more opportunities for blooms and pods, but the true results will come at harvest when the team evaluates pod development, seed fill and final yield.

In This Video:

Why high-yield soybeans may need supplemental nitrogen

Results from the 2024 and 2025 trials

Nitrogen treatments in 15- and 30-inch rows

Fertilizer placement and application methods

Differences in plant height and node counts

Potential effects on pod development and yield