David supports the citizens of South Dakota in his role as an Assistant Professor & SDSU Extension Crop Production Specialist based on the South Dakota State University campus in Brookings. He is also the South Dakota Coordinator of USDA-SARE.
David Karki
Assistant Professor & SDSU Extension Crop Production Specialist
Also by David Karki
Northeast Research Farm Tour
Attend the annual Northeast Research Farm Tour on Thursday, July 9, 2026, from 4:00 p.m. CDT to dusk at the Northeast Research Farm (15710 455th Ave. South Shore, SD 57263). The farm is located on the junction of State Highway 20 and Codington County Highway 11, or 2.5 miles west of Exit 193 on I-29.
Agronomic Considerations During Drought
Despite technological advances, weather factors still play a major role in crop production, especially during dry times. Making smart agronomic decisions can prevent a drought situation from getting worse.
Late-Spring Frost Damage to Corn and Soybeans
Early planting may increase yield potential in some years, but it also puts crops at risk for damage caused by early-season or late spring low temperatures.