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man holding a small pile of soil in his hands

Recommended Soil Sampling Methods and Instructions

Proper collection of soil samples is extremely important as the accuracy of the soil test depends on the quality of the soil sample provided to the lab.

A herd of cattle gather around a stock pond on a vast, lush grassland. Courtesy: USDA [CC BY 2.0]

2017 Weed Control: Pasture and Range

There are 24 million acres of native and tame pasture and range as well as 1.4 million acres of grass hayland in South Dakota.

Green soybeans with yellowing throughout.

Bacterial Blight Developing In Some Soybean Fields

Bacterial blight was found developing in a few soybean fields scouted the week of July 19. Leaf tattering is a common symptom of bacterial blight and happens when expanding bacterial blight lesions coalesce and form large brown patches.

Young corn seedlings emerging from a spring field.

Watch Closely for Weed Emergence

Cool, dry conditions have slowed weed emergence and growth, but dry conditions also have limited the activation of preemergent chemicals. Given this scenario, fields need to be scouted closely to ensure that weeds do not get away.

Gardener holding a handful of healthy soil.

Learn about your backyard’s natural resources with SDSU Extension

May 01, 2024

Lawn and garden enthusiasts are invited to attend Backyard Natural Resources, a new four-part webinar series from South Dakota State University Extension.

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

Being Proactive and Prepared During the COVID-19 Pandemic: Tips for South Dakota Farmers and Ranchers

August 10, 2020

Are you prepared to be gone from your operation for a month?

Red-brown colored weevil with bent antennae originating on the elongated mouthparts.

Is it Time to Spray Red Sunflower Seed Weevils?

Red sunflower seed weevil adult activity is well underway on sunflowers in South Dakota. Even though the red sunflower seed weevil numbers are down, we are still observing populations in South Dakota that are above threshold.

Large patch of grab grass growing on lawn.

Is Crabgrass Taking Over Your Lawn?

Each year homeowners and businesses typically find crabgrass invading their lawns. If you desire a nice lawn, you may not be happy about this. Crabgrass can be a bit tricky to control—especially after it has established itself for the season.

2021 South Dakota Pest Management Guides Now Available

February 04, 2021

SDSU Extension has released the 2021 South Dakota Pest Management Guides.

A soybean leaf infested with numerous soybean aphids.

Soybean Aphids Exceeding Thresholds in Some Parts of South Dakota

There have been a few fields this week that were infested with soybean aphids that are getting closer to threshold. We have also received reports of insecticides being applied to manage soybean aphids in South Dakota.