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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.

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.

A low-gradient prairie river that is very meandering.

Understanding Western South Dakota Prairie Streams

This document provides information and guidance for landowners and land managers in western South Dakota who are managing small intermittent streams.

Hands holding a clump of healthy soil from a no-till field.

Biological Agronomy

Biological agronomy is an adaptive soil management system used to build soil microbiology through intensive regenerative practices that increase carbon and nutrient availability for profitable crop production.

Muddy field with no residual forage exhibiting signs of extreme soil erosion.

Five Range Management Principles: #4 Residual Forage

Residual forage is the amount of green leaf left after a grazing event. Understanding its importance can help producers capitalize on the symbiotic relationship that occurs when soil health is front and center on rangelands.

Healthy soil with ample organic matter throughout.

Why Is Carbon So Important to Agriculture and Society?

Carbon is not only vital to soil health—it’s the foundation of our long-term food security. Learn some incredible facts about the role carbon plays in our soil and environment.

Color-coded map of South Dakota indicating the fiftieth percentile, for first fall occurrence of 32 degrees Fahrenheit. For assistance reading this graphic and data set, please call SDSU Extension at 605-688-4792.

First Fall Frost Dates

The first fall frost often marks the end of the growing season, and many garden plants may not survive the freezing temperatures. Learn about some available tools we can use to predict the first fall frost dates around the state.

Soil fertilizer spread within a one square foot box.

Seven Grams of Fertilizer Is All It Takes: Growing Optimal Corn in South Dakota

Have we really asked how much fertilizer is really takes to grow a decent corn crop? Learn some important considerations for fertilizing corn and improving long-term soil health and fertility.