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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.

Crop field with various areas highlighted to show variations in crop performance.

Smarter Farming Decisions Using ArcGIS and Satellite Imagery

How-to guide on using ArcGIS and satellite imagery to find value insights on crop performance.

Group of cattle grazing corn stalks near Pierre, South Dakota.

Stretch the Grazing Season by Grazing Corn Residue

Grazing corn residue can be an excellent strategy for stretching the grazing season. Learn some expert tips for making the most of corn residue before switching over to the feed tractor in the winter.

Gardener holding a box of vegetables

South Dakota Produce Harvest Calendar

A resource highlighting different harvest times for common South Dakota fruits and vegetables.

strawberries growing on a vine in a pot

Fruit

View information to grow, harvest and enjoy fruit.

Cream colored larva that has an accordion shape and a brown head in the stem of a sunflower.

Dectes Stem Borer in South Dakota Sunflowers

Factsheet covering Dectes stem borer in sunflowers.

Cattle grazing corn residue in late fall.

Why Cropland Grazing Now?

The evidence is consistent: cropland grazing delivers measurable economic returns, proven soil health benefits, and growing adoption in South Dakota.

Two side-by-side fields. The left is a no-till field with crop residue throughout and minimal erosion. The right is a tilled field with no surface cover and notable erosion throughout.

SDSU Extension to host soil health meeting in Freeman

November 12, 2025

South Dakota State University Extension will host a Managing Soil: Maximizing Profit meeting on Dec. 9, 2025.

A red sprayer in a green field with a cloudy sky in the background.

Commercial Applicator Training for Pesticides

Those who apply pesticides for hire or as a government employee that applies pesticides while performing work duties, must have a commercial applicator license.

Plastic bag containing numerous green larvae.

Learn about alfalfa weevil at Northern Plains Forage Association annual meeting

November 17, 2025

South Dakota State University Extension encourages producers to attend the Northern Plains Forage Association annual meeting and seminars, which will feature forage-related education and research.