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A field of alfalfa.

Forage Variety Trial Results

The 2025 Forage Variety Trial Results include data from different locations in South Dakota.

Various chemical symbols for common nutrients found in garden soil over a selection of young plants emerging from garden soil.

Managing Phosphorus and Other Nutrients in Gardens

Fact sheet on managing phosphorus and other nutrients in gardens.

South Dakota State University Extension logo

SDSU Extension Announces Interim Leadership Roles

September 24, 2025

The South Dakota State University College of Agriculture, Food and Environmental Sciences has announced interim roles for several SDSU Extension leadership positions.

Zebra mussels on a rock along a shoreline.

Has a New Pathway for Increased Mercury in Fish Been Found?

There is growing evidence that zebra mussels may be affecting the level of mercury in fish tissue by altering contaminant cycling in inland lakes. While the mechanism of this increase needs to be further studied, it likely means that fish consumption advisories will increase for those lakes invaded by zebra mussels.

A corn leaf is shown

SDSU Extension to host corn disease scouting workshop

September 23, 2025

South Dakota State University Extension will host a scouting session for corn diseases confirmed in the state this season.

SDSU Extension 4-H recognizes volunteers during 2025 State Fair

September 23, 2025

South Dakota State University Extension 4-H is pleased to announce that the 4-H Volunteer Hall of Fame and 4-H Shooting Sports Hall of Fame will add six individuals on Aug. 31, 2025, during the 2025 South Dakota State Fair in Huron. In addition, eight individuals will be recognized for their outstanding 4-H volunteer service.

Multicolored Asian lady beetle, female mosquito, and boxelder bug.

Insects Are Being a Nuisance This Fall

The weather is changing, and many of us are noticing an uptick in the nuisance bites caused by several insects. The continued warm weather is going to increase the activity of all insects, including the ones that are causing us displeasure.

4-H ribbons and awards stacked on a table.

SDSU Extension invites youth and supporters to 2025 4-H Gala

October 01, 2025

South Dakota State University Extension 4-H is pleased to welcome youth and their supporters to the 2025 4-H Gala, “Bright Lights, Bold Legacy”.

4-H member Olivia Miller discussing her mental health presentation with South Dakota 4-H Program Director Tim Tanner.

South Dakota 4-H’ers Step Up to End Mental Health Stigma

November 12, 2021

Hailey Stuck, Allison Fischer and Olivia Miller have certainly done their part in raising mental health awareness across the state over the last year, as each received a purple ribbon for their Mastery Showcase exhibits at the 2021 State Fair.