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
Winter Wheat and Nitrogen: Decisions for 2026 Growing Season
With fertilizer representing one of the largest variable costs in wheat production, inefficient nitrogen use can quickly erode profit margins. This being said, an emphasis should be placed on how to improve nutrient management during the 2026 growing season.
Wind Injury in Corn
In the aftermath of severe weather, levels of wind damage in corn can vary greatly from field to field. How plants recover largely depends on wind velocity and corn growth stage.
Forage Variety Trial Results
The 2025 Forage Variety Trial Results include data from different locations in South Dakota.