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David Karki

Assistant Professor & SDSU Extension Crop Production Specialist

605-688-4211

Raven Precision Ag Building 117
Box 2100A
Brookings, SD 57007

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.

State & Regional Offices

SDSU Campus

Also by David Karki

A cornfield with severely wind-injured corn throughout.

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.

Rye test plots

Rye Variety Trial Results

The 2024 Rye Variety Trial Results include data from three locations across South Dakota.

Left: Drill-planted cereal rye cover crop. Right: Pre-harvest broadcast cereal rye cover crop.

Choosing Whether to Preharvest Broadcast Vs. Post-Harvest Drill Cover Crops

Cover crops are frequently planted following the harvest of the grain commodity crops. A decision for producers to make is to whether to preharvest broadcast or postharvest drill the cover crop.