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Mosquito resting on a dandelion seed head.

West Nile Virus Update: Sept. 17, 2021

The South Dakota Department of Health's latest update indicated that West-Nile-virus-positive mosquitoes were detected in Beadle, Brookings, Brown, Codington, Hand, Hughes, Lincoln and Minnehaha counties in South Dakota.

Field with extensive injury caused by fall armyworm caterpillars.

Fall Armyworm Caterpillars Causing Issues in South Dakota

This week we started to receive reports of pastures and alfalfa stands that have been heavily fed on by fall armyworm caterpillars. Typically, these pests are not an issue in South Dakota. However, populations have been very large in many states during 2021, and they have now moved into South Dakota.

Tan grasshopper with light colored stripes on its back sitting on the soil surface.

Will Grasshoppers Be an Issue in 2021?

With much of South Dakota experiencing dry conditions this year, grasshoppers are one of the insect pests that will need to be monitored. Large grasshopper populations may cause economic loss in cash crops and reduce forage in range and pasture lands.

Group of Rangeland and Soils Day competitors observing grassland conditions during the competiton.

SDSU Extension Announces Rangeland and Soils Day Results

June 14, 2021

The first place 4-H teams in each judging event from both contest locations will now advance to the National Land and Range Judging Contest in Oklahoma City, Oklahoma in May 2022.

Mosquito resting on a dandelion seed head.

West Nile Virus Update: Aug. 2, 2021

As of Aug. 2, 2021, the South Dakota Department of Health indicated that West-Nile-virus-positive mosquitoes were detected in Brookings, Codington, Hughes, Lincoln and Brown counties in South Dakota.

Green beetles feeding on the tip of a corn ear.

Northern and Western Corn Rootworm in South Dakota

Fact sheet on Northern and Western Corn Rootworm in South Dakota

sunflower field

Best Management Practices for Sunflower Production

This is your unbiased, research-based guide to sunflower production, providing the latest recommendations to help increase yield, reduce input costs and protect your investment.

man holding a small pile of soil in his hands

Optimal Design Drainage Rates for Eastern South Dakota

Fact sheet for the optimal design drainage rates for Eastern South Dakota.

A no-till and conventionally managed watershed side-by-side. The no-till field has dramatically less flooding and runoff.

Tale of Two Watersheds

See the difference that cover crops and a no-till cropping system can have on watersheds when high winds and heavy rains impact our region. The difference in the amounts of run-off water is astounding!

Group of youth participants at rangeland and soil days.

38th Annual Rangeland and 17th Annual Soils Days Held in Murdo

August 16, 2022

SDSU Extension, along with the Jones County Conservation District and the South Dakota Natural Resources Conservation Service (NRCS), hosted the 38th Annual Rangeland and 17th Annual Soils Days June 14-15, 2022, in Murdo, South Dakota.