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Color-coded map showing South Dakota Soybean Yield Average by County from 2015 to 2024. For a detailed description, please call SDSU Extension at 605-688-4792.

Statewide Soybeans Production and County-Level Yield Variation in South Dakota

South Dakota’s soybean production has experienced fluctuations in both planted acres and total production over the past decade.

A person gives a presentation to a room of people

65 people attend 47th annual Ranchers Workshop

March 20, 2026

outh Dakota State University Extension was proud to help plan the 47th annual Ranchers Workshop in Mission, which drew 65 people from the region.

Two pictures of green grass demonstrating their physical differences.

Preemergence Crabgrass Herbicide Decisions

The optimal application window for preemergence herbicides to manage crabgrass in turf is normally during April, and earlier in the month during warmer years.

Beef cattle herd grazing a lush, green grassland.

Spring Pasture Report: Should You Delay Turnout in 2026?

As spring 2026 begins, South Dakota and most of the High Plains region is starting out well behind the mark in the moisture category.

Ants on a sidewalk next to some green grass.

Ants Preparing for Another Busy Year

A wet growing season last year combined with a mild winter has boosted ant activity across the state, and we have already received numerous questions from both curious and concerned residents in South Dakota.

External and internal ring rot symptoms on two potato samples.

Bacterial Ring Rot: Yet another devastating disease of potato

Ring rot is primarily a disease of stored tubers and seed potatoes, where it produces black or brown lines just below the surface of the potato.

Horticulture research plot with rows of tarp-covered crops and living mulch between them.

Research Report: Warm-Season Living Mulch Impacts on Cucumber Yield and Disease Symptoms

A 2025 trial in Brookings, South Dakota aimed to detect the influences of various warm-season cover crop living mulches on pest pressure in tomatoes and cucumbers and the interactions between both grafted and nongrafted tomatoes and cucumbers and the living mulch.

South Dakota Mesonet weather station along agricultural land in Beresford, South Dakota.

Building Resilient Farms Amid Increasing Weather Variability

Recent decades have brought a noticeable increase in climate variability in South Dakota. Understanding these trends and adopting adaptive management practices can help producers strengthen the resilience of their operations.

Map of South Dakota of Northern Great Plains and the Western United States. Colors indicate the number of grasshoppers per square yard in each of the sampled locations. For a detailed description, please call SDSU Extension at 605-688-4792.

South Dakota Grasshopper Prediction for 2026

Almost every year in South Dakota there is a risk that grasshopper populations will reach levels capable of causing issues for producers. Unfortunately, our prediction for the 2026 growing season won’t change the trend.

Wheat plants in a field showing viral symptomology of Wheat Streak Mosaic Virus.

Wheat Streak Mosaic Virus Confirmed in 2026

At the end of April, a winter wheat sample was submitted to the Plant Diagnostic Clinic displaying typical viral symptoms of chlorosis and streaking. Upon testing, this sample was determined to be positive for Wheat Streak Mosaic Virus.