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Soybean field with volunteer corn stalks growing throughout.

Stalk Grazing to Combat Volunteer Corn

Fall aftermath grazing by livestock, particularly cows, can dramatically reduce the amount of volunteer corn in the field. Learn some key benefits that stalk grazing can bring to your operation.

Variety of pepper samples split open to reveal internal rot symptoms.

Pepper Internal Rot: Disease information and research updates

A new disease has been found in South Dakota pepper plants. While plants appear healthy and produce peppers that appear normal, many peppers will have a black mold growing inside. So, what’s going on with these plants?

A large monarch caterpillar exploring the flowers of a swamp milkweed plant (Asclepias incarnata) in a field plot.

Range Roundup: SDSU Native Plant Initiative Strengthens Conservation and Supply of Native Plants

SDSU’s Native Plant Initiative has been hard at work on research that focuses on the conservation and supply of native plants.

purple flower with yellow center and green, fuzzy stem

Common Flowering Plants (Forbs) of South Dakota

This guide focuses on forbs, or flowering “broad-leaved” herbaceous plants, but forbs can be narrow-leaved as well.

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.

oats

Oat Variety Trial Results

In 2025, oat variety trials were planted throughout various locations in South Dakota.

Wheat growing in a field with rain clouds in the distance.

Optimizing Wheat Success for 2026

Whether it be winter wheat or spring wheat, there are many things to consider to help improve the health and success of these crops in the upcoming growing season.

Field with field peas and blue sky with fluffy white clouds

Weed Control: Pulse Crops

Weed competition can cause significant yield reduction in pulse crops. Pulse crops are weak competitors with weeds, therefore planning an effective weed control program is one of the keys to profitable production.

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 sprawling sorghum field ready for harvest

Sorghum Weed Control

Early competition, especially from grass, is critical for successfully controlling weeds in sorghum. There are preemergence as well as postemergence herbicides available for this crop. Early treatment provides the best control of broadleaved weeds with crop stage also being a critical factor for some postemergence treatments.