Pasture

All Pasture Content

A green field bindweed with a white flower at top.

In a Bind With Field Bindweed?

It’s August and field bindweed, one of our most-persistent perennial weeds, is flowering. Although field bindweed is not statewide noxious, it’s locally noxious in Bennett, Bon Homme, Clarke, Lake, Stanley, and Yankton counties.

Green Canada thistle with whitened leaves at the top. Various green plants throughout.

White Thistle Disease: Biological management at work

White thistle disease can be seen among many Canada thistle plants throughout South Dakota this growing season. Plants infected with the disease exhibit significant reductions in both growth and seed head compared with non-infected plants.

A field of flowering alfalfa.

Nitrate QuikTest for Forages

The Nitrate QuikTest for Forages is available at various SDSU Extension locations and veterinary clinics across the state and is designed to be used with standing forages prior to harvesting for hay or grazing.

A picture of producers (ranchers) in a rangeland pasture looking into another pasture that has different forage biomass quantities. The

Systems Thinking for Agriculture: A tool for addressing complex ranch problems

A systems approach to management encourages producers to take multiple factors into consideration to solve problems within their agricultural operation.

A photo of a winter grazing pasture with a variety of grasses, shrubs and forbs that was taken at the SDSU Cottonwood Field Station that contains some field pennycress.

2025 Field Pennycress Management Considerations

Field pennycress prevalence on pastures has been observed to be in higher abundance this year in Western South Dakota. When consumed in certain quantities it can be toxic to livestock.

A green absinth wormwood plant surrounded by other green vegetation.

Absinth Wormwood Spray Window Passed: Mow now and plan to treat the regrowth in the fall

Absinth wormwood is a statewide noxious weed that inhabits cropland, pasture, rangeland, right-of-ways, and waste sites. If not effectively managed, the species can displace desirable vegetation, reduce crop yield and decrease land value.

Beef cattle grazing summer pasture.

Summer Pasture Report: Discussing Rain, Pasture Recovery, and Preparing for Fall

Drought conditions across northern South Dakota have seen some relief due to the precipitation received in the past few months. Despite some decent rainfall occurring, most of the state is still behind normal for the water year.

Green plant with bright yellow flowers throughout.

Leafy Spurge: Do I spray now or wait until fall?

In June, leafy spurge is one of our most problematic rangeland, pasture, and roadside weeds. It is also one of South Dakota’s noxious weeds that landowners are required by law to control. So should you spray it now or wait until fall?

Redlegged and differential grasshopper nymphs.

Grasshoppers Are Showing up in Large Numbers in Eastern South Dakota

While scouting spring wheat in Brookings County this week, we noticed grasshopper nymph populations that were close to threshold.

mostly black cattle stand around a dugout with water. the grass is green and the sky is blue

SDSU Extension offering livestock water testing across state

June 18, 2025

South Dakota State University Extension is encouraging producers to take advantage of its free, on-site livestock water testing services across the state.