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Stephen Robertson

SDSU Extension Pesticide Education Field Specialist

605-688-5550

Berg Agricultural Hall 114
Box 2207D
Brookings, SD 57007

Stephen supports the citizens of South Dakota in his role as an SDSU Extension Pesticide Education Field Specialist at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus

Also by Stephen Robertson

Several damaged plastic pesticide containers grouped together on a driveway.
Mar 12

Fumigation Endorsement Private Applicator Training

SDSU Extension will host a free private applicator training on March 18, 2026, from 1:30 - 4:30 p.m. CT (12:30 - 3:30 p.m. MT).

Swarm of mosquitoes.

West Nile Virus Update: October 16, 2025

As of October 16, 2025, the South Dakota Department of Health reported 86 human cases of West Nile virus from Aurora, Beadle, Bon Homme, Brookings, Brown, Charles Mix, Clay, Codington, Corson, Douglas, Grant, Gregory, Haakon, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Roberts, Sanborn, Spink, Stanley, Todd, Union, Walworth, and Yankton counties.

Young farmer analyzing data on a tablet computer beside a crop sprayer.
Dec 03

2026 Commercial Applicator Training Online Course

SDSU Extension partners with DANR to offer pesticide certification program required for commercial applicators. The 2026 online course will be offered through Traininghouse and will be open from December 3, 2025, through February 28, 2026.