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Three girls in button down shirts with matching purple scarves smile for the camera

SDSU Extension 4-H members earn high marks at national contests

April 01, 2025

SDSU Extension 4-H members continued to shine at national livestock contests in 2024-2025, including a third-place finish for the hippology team.

Green alfalfa weevil larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 22, 2025

Degree day accumulations for alfalfa weevil larvae indicate that third to fourth instar larvae should be active in fields throughout South Dakota.

Alfalfa weevil larvae and adult.

Alfalfa Weevils Are Active in Some Parts of South Dakota

Degree day accumulations indicate that alfalfa weevil larvae should be active throughout South Dakota.

Green alfalfa weevil larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 29, 2025

The lowest calculated degree days in South Dakota indicate that fourth instar larvae should be active, while the highest calculated degree days suggest that pupation is occurring in the field.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 29, 2025

Based on degree day estimates for common stalk borer caterpillar activity, no scouting in corn fields is necessary at this time.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: June 5, 2025

In the southern counties of South Dakota, degree day estimates indicate that common stalk borer caterpillars are beginning to move from weedy hosts along field edges into corn fields.

Landowner viewing information on a laptop computer in a farm office.

South Dakota Ag Land Income Tracker

The South Dakota Ag Land Income Tracker is designed to estimate and display changes to the annual revenue per acre derived from standard agricultural practices on an average, unimproved cropland acre in South Dakota counties.

Left: Small group of cattle in a bud box pen. Right: Cattle gathered in a round tub structure.

Bud Box vs. Round Tub Systems

Cattle working systems have evolved, giving producers more options than ever before. Two of the most popular designs today are the bud box and the round tub.

Gardener inspecting soil in a backyard garden plot.

Are Cheap Home Garden Soil Test Kits Accurate?

Inexpensive soil test kits are a method available for gardeners available to estimate soil pH and the level of nitrogen, phosphorous and potassium present in the soil.

Judge shaking 4-H members hand

4-H Supporters

4-H supporters are dedicated individuals, organizations, and community partners who share a common commitment to empowering youth through hands-on learning, leadership development, and civic engagement.