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Patch of broadleaf weeds growing in a spring lawn.

Considerations for Weed Control in Lawns

A weed-free lawn requires continuous maintenance year-round. From mowing considerations to herbicide applications, learn some expert tips for getting your lawn off to a great start this spring!

A yellow beetle with a black head, and square black markings on its back standing on a soybean leaf.

South Dakota Overwintering Bean Leaf Beetle Predicted Mortality: 2022-2023

With bean leaf beetle emergence rapidly approaching, it’s important to start thinking about early-season management of the overwintering population. View our latest recommendations based on observations from winter 2022-2023.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: April 27, 2023

As temperatures warm up, degree days will accumulate more rapidly, and alfalfa weevils could quickly become an issue. See our latest observations from around the state.

many hands raised in the air with sky background and the word volunteer

Volunteers

SDSU Extension volunteers participate in a variety of service programs through our organization, helping us expand the scope and effectiveness of our mission. In exchange for their service, volunteers receive training on a wide array of topics of interest to them. 

Adult female emerald ash borer

Emerald Ash Borer Life Cycle in South Dakota

This fact sheet is a general description of the emerald ash borer life cycle in South Dakota.

Teacher pouring a small amount of seed into a student's hand to construct a tiny greenhouse.

Super Seeds

Lesson for youth to explore the many types of seeds that are eaten or grown and learn how they grow.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 4, 2023

With warmer temperatures during the last week, there was an increase in the accumulation of degree days for alfalfa weevils. See our latest observations from around the state.

Emerging soybean seedlings with chilling injury.

Chilling Injury

Concerned about row crop emergence due to cool spring weather? Learn what crops are most vulnerable to chilling injury and how you can mitigate risk during spring planting.

Aerial photo of a field revealing crop productivity within a specified management zone.

Knowing the Soil Types in Your Fields Can Increase Weed Control

As soil temperatures increase, many farmers are beginning to plant crops and start preemergent weed control. Learn the important role that soil type can play in getting the most out of preemergence herbicide applications.

Caterpillar with brown and black stripes running down the length of its body. The caterpillar has a tan head and is feeding on green plant material.

Army Cutworms Are Active in South Dakota

Army cutworms can rapidly reduce winter wheat stands if large populations are present. See our latest management recommendations based on observations from around the state.