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Cyst nematode on soybean plant

Integrating Precision Ag Tools for Smarter SCN Assessment and Management

Fact sheet on integrating Precision Ag tools for Soybean Cyst Nematode (SCN) assessment and management

Hand folding back a soybean leaf revealing several soybean aphids.

Should I Spray for Soybean Aphids at the End of August?

Soybean aphid populations are persisting in many soybean fields throughout eastern South Dakota. In many cases, these soybean aphid populations are either at the 250 aphids per plant threshold, or very close.

A green Palmer amaranth weed surrounded by various other green plants.

Palmer Amaranth Confirmed in Turner County: Is this weed in your fields?

Palmer amaranth has recently been confirmed in Turner County. Currently, the estimation of Palmer amaranth infestations has been confirmed in 18 counties across South Dakota

Two white flowers with green leaves. The first flower has an abnormal fused bloom.

Fasciation: What’s going on with my plant?

Fasciation is a malformation of plant parts commonly manifested as enlargement, flattening or cojoining. The abnormal growth of plants can be uniquely puzzling and beautiful at the same time.

Christmas cactus plant in full bloom with bright-pink, tubular flowers.

SDSU Extension to host off-season Garden Hour series

September 09, 2025

South Dakota State University Extension will continue its popular Garden Hour series during the off-season with webinars every other month.

Freshly harvested sweet potatoes on display at an outdoor market.

Sweet Potatoes: How to Grow It

Sweet potatoes are native to Central and South America, and their tasty orange flesh is a dietary staple in warm climates. Learn some expert tips for planting, growing, and harvesting them in this resource!

Gardeners browsing a tablet computer while visiting a garden center.

Home Horticulture Resources for Gardeners

Horticulture is the branch of plant agriculture dealing with garden crops. In addition to our website, there are many horticulture resources available on the web to provide research-based information to help every gardener succeed.

Field of pumpkins

SDSU Extension hosting specialty crop tours near Sturgis, Colton to celebrate 20 years of Annie’s Project

September 01, 2023

To celebrate the 20th anniversary of Annie’s Project, South Dakota State University Extension will host tours of two South Dakota specialty crop growing operations.

Swarm of mosquitoes.

West Nile Virus Update: September 10, 2025

As of September 10, 2025, the South Dakota Department of Health (SD DOH) reported 59 human cases of West Nile virus from Beadle, Bon Homme, Brookings, Brown, Charles Mix, Codington, Corson, Grant, Gregory, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Sanborn, Spink, and Walworth counties.

Farmer viewing precision seed application data on a tablet.
Nov 12

Agriculture Cybersecurity Workshop and Seminar

This workshop will highlight results from three collaborative research projects between South Dakota State University and Dakota State University.