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Four photos showing a derecho approaching the SDSU campus in Brookings, South Dakota.

What is a derecho?

In the aftermath of the May 12, 2022 derecho that impacted eastern South Dakota, many are wondering what derechos are and what conditions can cause them.

Seecorn maggot larva feeding on a seed in a field.

Seedcorn Maggot Degree Day Activity Estimates: May 18, 2022

Degree day accumulations continue to approach the peak emergence of the second generation of seedcorn maggots. See our latest management recommendations based on this activity.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 18, 2022

At this point in the season, no scouting is necessary for common stalk borers, but many areas of the state are reaching the point where weeds along field edges should not be managed for the time being.

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

Alfalfa Weevil Activity Prediction Update: May 18, 2022

At this point in the season, all alfalfa fields should be scouted weekly to ensure that large populations of alfalfa weevils do not cause excessive defoliation.

Color-coded map showing the spring 2022 first-leaf return interval. For assistance reading this graphic and data set, please call SDSU Extension at 605-688-4792.

Late Spring Bloom in 2022

In South Dakota, with temperatures cooler than average in 2022, the arrival of spring has been later than usual. Indicators like the first leaf or bloom of some common plants can be used to define the arrival of spring.

Roughly oval shaped insect with a black head and upper body, and a brown and white pattern on its wings. The insect is on a green leaf and its thin mouthpart is piercing a round, white egg.

Minute Pirate Bug: Beneficial Predators in Managed and Agricultural Landscapes

Learn about minute pirate bugs, beneficial insects that feed on numerous arthropod pests of both garden and agricultural crops.

United States Map showing precipitation outlook for June through August 2022. For assistance reading this graphic and data set, please call SDSU Extension at 605-688-4792.

2022 Summer Climate and Drought Outlook

On May 19, the NOAA’s Climate Prediction Center released their temperature and precipitation outlooks for June and the summer season ahead. See a full report of what to expect for the summer of 2022.

large multi-row sprayer adding chemicals to a field

Early Season Insecticide Applications in Wheat

Many wheat producers in South Dakota have adopted more intensive management practices in the last few years, including an early season application of fungicide and, in some cases, insecticide.

Sunset over two grain bins in a field.

Inspecting Grain Bins After a Windstorm

Due to their high profile and light structure, metal grain bins are highly susceptible to wind damage. View a step-by-step guide for inspecting them in the aftermath of a windstorm.

Storm debris in a pasture.

Dealing With Storm Debris in Pastures and Hay Fields

Storm debris in pastures and forage-producing fields can pose a significant health risks to livestock. Learns some expert tips for mitigating risks and protecting your animals.