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Subsurface Drip Irrigation: Increased Efficiency for Irrigation and Nutrient Delivery

Subsurface drip irrigation maintenance, lifespan, and cost, the variables that can impact subsurface drip irrigation design.

Constructed Wetlands: Engineering Nature’s Filter

How do constructed wetlands emulate the natural process of a wetland? In what ways do the different designs of a constructed wetland have to meet the needs of the area?

Vast winter prairie on the Rosebud Reservation.

Climate Resilience Toolkit for the Northern Plains Region

In September 2021, the U.S. Climate Resilience Toolkit announced the publication of a new Northern Great Plains Region section. The new section can help producers recognize climate hazards, assess vulnerabilities and confront risks.

Tall, slender kochia weed growing in a test plot.

The Fall Advantage of Kochia Control

Kochia is a problem in north central South Dakota row crops. New post-emergent options in corn and soybean have helped alleviate kochia competition from many fields, but these herbicide options shouldn’t be completely relied upon for a long-term control plan.

Small cluster of dandelions among fallen leaves on a lawn.

Fall Weed Control in Lawns

In lawns, fall is the best time to chemically control broadleaf perennial weeds. Examples of these weeds could include dandelions, Canada thistle, creeping bellflower, field bindweed and ground ivy.

a map of South Dakota showing the levels of drought for June 2021

Next SDSU Extension Drought Hour Set for June 28

June 17, 2021

Nearly 90% of South Dakota is now in some level of drought. According to the latest U.S. Drought Monitor, 56% of the state is in the Severe Drought (D2) and Extreme Drought (D3) classifications.

Three poisonous rangeland plants. From left: Hemlock, Halogeton and Buffalo Bur.

Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur

Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.

Color-coded drought monitor map of South Dakota. As of July 27, north-central South Dakota is facing extreme drought, while the rest of the state is under abnormally dry to severe drought conditions. A small portion of the southwest has adequate moisture.

Controlling Grasshoppers, Salvaging Drought Corn Kick Off August Drought Hours

August 04, 2021

According to the latest U.S. Drought Monitor, nearly 18% of the state is in Extreme Drought (D3), while another 70% follows as Severe Drought (D2).

A lush, green lawn with a few scattered weeds throughout.

Use Caution With Turf Herbicide Applications During Extreme Heat and Drought

Dry conditions cause weeds to be under stress. This decreases herbicide effectiveness with annual, biannual and perennial plants. So, is there a safe option for weed control in yards during high temperatures and dry conditions?

ALT: Left: Green Plamer amaranth next to a green sunflower. Right: Green plant with green, spiny structure at leaf base.

Palmer Amaranth: Now Is the Time to Scout

South Dakota State University (SDSU) Extension encourages farmers, ranchers and other landowners to start scouting for Palmer amaranth, a weed that has been rapidly spreading north into the United States and is likely to be glyphosate-resistant.