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Gardener holding a tray of tomato seedlings ready for transplanting.

When Should I Plant My Warm-Season Vegetables?

Knowing when to plant warm-season vegetables can be a challenge in South Dakota when there are dramatic temperature swings each spring. Learn some expert tips for getting started!

Picture of multiple green plants and tan, corn residue with brown soil in the background.

Reminder: One herbicide in the postemergence application will likely not be effective

The SDSU Extension Weed Science Project is currently conducting a plethora of field research evaluating weed management in soybean. One study is investigating the effectiveness of 2,4-D and tank mixtures applied one time to 4-inch weeds.

2025 Rangeland Grasshopper Hazard map. Photo Courtesy of USDA APHIS, PPQ.  ALT TEXT: 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 2025

In 2025, it is likely that grasshopper populations will once again reach levels capable of causing issues in some areas of the state. Scouting should begin shortly after planting in areas where they were problematic in 2024 and continue throughout the growing season.

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.

A farmer watching the sun rise in a bare, unplanted field.

Cash Flow and Income Considerations for S.D. Farms: Part 1

Grain farming is facing a reduced income outlook for 2020. Unpriced old crop revenue has decreased and projected revenue for 2020 crop is reduced. Offsetting these decreases are chances that some input prices may fall, fuel related expenses and possibly higher payments from commodity title programs.

Organic cabbage and sweet corn plants at the SDSU Southeast Research Farm.

Producing Organic Cabbage and Sweet Corn with Cover Crop Integration and Reduced Tillage: Updates from the SDSU Southeast Research Farm

Research on clover cover crops grown in combination with four tillage and weed suppression methods was conducted at the SDSU Southeast Farm. Vegetable crops trialed included sweet corn and three varieties of cabbage.

Dried corn growing in a field with visible damage and molding.

Mycotoxins: Should you be concerned?

Environmental stress caused by the weather or damaged crops increases the potential for mold and mycotoxin development. Learn some answers to common questions about mycotoxins and how to manage them.

Row of young corn plants in dry soil.

Herbicide Carryover Concerns for 2024

Herbicides with residual activity have great utility for weed management. However, due to environmental conditions, some herbicides can persist so that the crop grown next year can be injured.

Color-coded map of the United States indicating predicted precipitation for July 2019. South Dakota is set to experience above normal precipitation.

July 2019 Climate Outlook: Challenges Continue

This year’s seasonal pattern of wetter than average conditions is projected to continue through July and the rest of the summer season. The latest climate outlook, released June 20, 2019, shows an increased chance of wetter than average conditions in the next one to three months for the state of South Dakota.

Green caterpillar with prolegs at the end of its body that form “V” shape.

Diamondback Moth Caterpillars Active In South Dakota

Diamondback moth caterpillars have been observed in South Dakota gardens. These pests feed primarily on cole crops, such as broccoli, Brussel sprouts, cabbage, cauliflower and kale, leaving behind irregular-shaped holes.