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Image of 2-digit HUC boundaries in continental United States. For a complete description of this graphic, please call SDSU Extension at 605-688-4792.

What is a Hydrologic Unit Code (HUC)?

HUC is the acronym for Hydrologic Unit Code. It is a hierarchical land area classification system that is based on surface hydrologic features in a standard, uniform geographical framework.

black-colored snow in a ditch

“Snirt” and How To Minimize It

Blowing soils, dust storms and “snirt” (snow with dirt on it) are frequent challenges during dry, windy winters. Learn some soil health principles to limit erosion and minimize snirt on field edges this planting season.

Small flock of sheep grazing in a pasture.

Multispecies Grazing: Benefits of Sheep Integration on Rangelands

Fact sheet about diversifying your operation to benefit your rangeland.

Group of farmers and ranchers attending a drought meeting.

SDSU Extension to Host Drought Management Meetings

April 29, 2022

SDSU Extension will host drought management meetings across South Dakota May 10-12.

Image showing locations of the five South Dakota reservoirs managed by the US BOR

Spring Storms Help Bureau of Reclamation Reservoirs in Northwestern South Dakota

While the moisture was needed, the systems were severe with blizzard conditions occurring from multi-day, strong-gusting winds across the area.

Tilled field with signs of erosion along the field edge.

The Costs of Erosion: Topsoil’s Role in Food Security

The thin layer of topsoil covering our earth sustains almost all of the life we know. Learn some answers to common questions about protecting it from erosion.

A heavily tilled field showing signs of severe topsoil loss due to erosion. Next to it, there is a no-till field with no noticeable signs of erosion.

Multiple Rounds of Severe Weather Bring Heavy Rainfall, High Winds, and Soil Erosion

A combination of tillage, no residue, and lack of crop canopy can lead to severe erosion and topsoil loss in the face of extreme weather patterns in the spring. The most effective strategy for producers to adapt to these extreme events is to improve soil health.

Several wrapped bales of hay lined up near a barn.

Round Bale Storage Conservation

Fact sheet discussing conservation of round bale storage.

A group of red and white calves grazing in a field of switchgrass.

Integrating Perennial Crops in Annual Crop Rotations

The Dakota Lakes Research Farm is working to develop cropping systems that include perennial crops, such as switchgrass, big bluestem and alfalfa, to improve long-term soil health and farm productivity.

NOAA climate map with preciptation outlook as of July 12, 2020. Most of South Dakota is predicted to have average to above average precipitation.

Late Summer 2020 Climate Outlook

Drought concerns in South Dakota may be relieved later this summer, according to the NOAA Climate Prediction Center’s seasonal outlook released this week.