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Canada thistle growing in a pasture.

Fall Noxious Weed Control

Fall weed control can give the best weed control, but it also can be a poor time. If the noxious weeds were sprayed or clipped earlier this summer, and there is good weed growth now, this would be an excellent time to spray these weeds and get a good kill.

soybean pods

New Multi-State Extension Publication: Managing Insecticide-Resistant Soybean Aphids

The first pyrethroid resistant soybean aphids were reported in Minnesota in 2015. Since then, pyrethroid resistant soybean aphids have been reported in Iowa, North Dakota, and South Dakota. In an effort to address resistance, researchers from those states have put together a new extension publication.

A country garden with four raised garden beds.

New season of SDSU Extension Garden Hour starts May 5

April 23, 2026

The latest season of Garden Hour, South Dakota State University Extension’s popular webinar series for gardeners, will start on May 5, 2026.

Annual trials garden at McCrory Gardens
Jun 30

Garden Hour

Make the most of your garden and landscaping with weekly insights and ideas from our team of experts.

Professional portrait of Jack Davis

Davis retires after 30 years with SDSU Extension

July 17, 2024

South Dakota State University Extension Crops Business Management Specialist Jack Davis is retiring after 30 years of serving South Dakota’s agricultural community.

A tall, grassy warm-season cover crop blend grown in South Dakota.

Alternative Forage Options During Dry Times

Although there are many factors to take into consideration, annual forages and cover crops can be an excellent tool to boost forage production, reduce fallow acres, and enhance soil health.

Two pictures of green soybeans with a blue sky in the background.

Strong, Effective Herbicide Programs Can Be Complimented With Narrow Row Spacing

While strong herbicide programs will result in effective weed management, a cultural tactic, such as row spacing can result in a complementary increase in effectiveness.

soybean pods

Soybean

SDSU Extension is your partner to increase yields and improve efficiency.

a person holding a leaf that has yellow, brown and green streaking.

Bacterial Leaf Streak in Wheat Varieties Adapted to South Dakota

Research trial results for Bacterial Leaf Streak tolerance in winter and spring wheat varieties grown in a disease nursery near Volga, South Dakota.

A tiger swallowtail drinking nectar from a purple blazing star flower.

Five Range Management Principles: #3 Ecosystem Biodiversity

Milkweed can help make rangelands a better environment for both cattle and neighboring plants and animals by having a shielding effect on companion plants, preventing erosion and accelerating the decomposition process, whole also providing nectar, habitat and organic material for ecosystem services.