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Watertown Regional Center

white office building near a street

Address:
SDSU Extension Watertown Regional Center
1910 W. Kemp Ave.
Watertown, SD 57201

Phone: 605-882-5140

Email

The office is located in the Codington County Extension Complex, in the same building as the county 4-H office. Use Entrance A to visit the regional center.

  • Classroom: There is a smart classroom with seating for 30 that is available to rent. Rental rates are available for full or half days. It is $50 for a half day without technology or $75 with technology; a full day without technology is $100 or $150 with technology.
  • Commercial Applicator Testing: Tests are offered in four-hour time blocks, 8:00 a.m.-12:00 p.m. or 1:00-5:00 p.m. Call to schedule an appointment.
  • Livestock Water Testing: On-site livestock water testing services is offered at this location.
Wheat growing in a field with rain clouds in the distance.

Optimizing Wheat Success for 2026

Whether it be winter wheat or spring wheat, there are many things to consider to help improve the health and success of these crops in the upcoming growing season.

Field with field peas and blue sky with fluffy white clouds

Weed Control: Pulse Crops

Weed competition can cause significant yield reduction in pulse crops. Pulse crops are weak competitors with weeds, therefore planning an effective weed control program is one of the keys to profitable production.

West River Research and Extension

brown office building near a parking lot

Address:
SDSU West River Research and Extension
711 N. Creek Drive
Rapid City, SD 57703

Phone: 605-394-2236

Email

West River Research and Extension is located on the eastern side of Rapid City near Menards. The building houses both SDSU West River Research and SDSU Extension, with SDSU Extension’s offices downstairs. When entering the parking lot, turn right. The entrance is on the side nearest the stoplight.

  • Commercial Applicator Testing: Tests are offered in four-hour time blocks, 8:00 a.m.-12:00 p.m. or 1:00-5:00 p.m. Call to schedule an appointment.
  • Livestock Water Testing: On-site livestock water testing services is offered at this location.

Winner Regional Center

sign with the words South Dakota State University SDSU Extension Winner Regional Center in a landscaped area with bricks and rocks

Address:
SDSU Extension Winner Regional Center
325 S. Monroe St., Ste. 125
Winner, SD 57580

Phone: 605-842-1267

Email

The office is one block west and one block south of the stoplight in Winner. The building is a former middle school, also housing other city and state agencies.

  • Classroom: There is a smart classroom with seating for 25 that is available to rent. Rental rates are available for full or half days. It is $50 for a half day without technology or $75 with technology; a full day without technology is $100 or $150 with technology.
  • Commercial Applicator Testing: Tests are offered in four-hour time blocks, 8:00 a.m.-12:00 p.m. or 1:00-5:00 p.m. Call to schedule an appointment.
  • Livestock Water Testing: On-site livestock water testing services are offered at this location.

Mooving the Calving Season

In this episode of Cattle HQ, Taylor Grussing, SDSU Extension Cow Calf Field Specialist visited with Pete Bauman, SDSU Extension Natural Resources and Wildlife Field Specialist about how to manage moving the calving season from March to May to reduce input costs and calve on grass.

Women standing in a circle learning about rangeland plants

Annie's Project

Annie's Project is open to all who would like to learn more about agricultural business.

Two cows graze in a green pasture

SDSU Extension hosts risk management webinar series

March 20, 2026

South Dakota State University Extension is hosting a series of free Strong Minds, Strong Farms webinars for anyone involved in agriculture.

A person gives a presentation to a room of people

65 people attend 47th annual Ranchers Workshop

March 20, 2026

outh Dakota State University Extension was proud to help plan the 47th annual Ranchers Workshop in Mission, which drew 65 people from the region.

Color-coded map showing South Dakota Soybean Yield Average by County from 2015 to 2024. For a detailed description, please call SDSU Extension at 605-688-4792.

Statewide Soybeans Production and County-Level Yield Variation in South Dakota

South Dakota’s soybean production has experienced fluctuations in both planted acres and total production over the past decade.