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Two poisonous rangeland plants. Left: Woolly Locoweed. Right: Lambert Crazyweed (Purple Locoweed).

Poisonous Plants on Rangelands: Locoweed and Crazyweed

Locoweed and crazyweed are found throughout South Dakota rangelands, and both can cause livestock poisoning.The names locoweed and crazyweed are often used interchangeably. However, there are notable differences between the species.

Three woody plants. From left: Ponderosa pine tree, chokecherry bush and greasewood.

Poisonous Plants on Rangelands: Woody Species

Several woody plant species that are poisonous to livestock are found throughout South Dakota rangelands, including ponderosa pine, chokecherry, greasewood and broom snakeweed.

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.

several small eastern red cedar trees growing in rangeland

‘Baa-d Cedars’ Field Day Examines Goat-Targeted Grazing on Cedars

September 17, 2021

South Dakota State University Extension invites the public to an interactive Eastern Red Cedar Management Field Day to see the impact goats can have in controlling the most widely distributed conifer across eastern North America.

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.

Canada thistle growing in a pasture.

Noxious Weeds of South Dakota

Pictorial reference guide of noxious weeds in South Dakota

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.