Sarah supports the citizens of South Dakota in her role as an Assistant Professor and SDSU Extension Sustainable Farm and Food Systems Specialist at the South Dakota State University campus in Brookings.
Sarah Sellars
Assistant Professor & SDSU Extension Sustainable Farm & Food Systems Specialist
Also by Sarah Sellars
Internet Access in South Dakota
The percentage of the population without an internet subscription varies considerably across South Dakota. The regional disparities observed in South Dakota are consistent with a previous USDA report showing lower household internet subscription rates in counties with persistently high poverty rates.
Does It Pay to Build Up Soil Phosphorus in High-pH Fields?
In high-pH soils, Phosphorus fertilizer can react with calcium already in the soil and form compounds that crops cannot easily use. It means that applied Phosphorus fertilizer can become “tied up” in the soil, leaving many farmers wondering whether the fertilizer they pay for is really working for them.
SDSU Extension collecting custom farming rates through new survey
March 16, 2026
South Dakota State University Extension is collecting data on the state’s custom farming rates and inviting producers to participate.