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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.
Poisonous Plants on Rangelands: Larkspur and Poisonvetch
Larkspurs are the second leading cause for all livestock deaths from toxic plant poisoning. Poisonvetches are considered accumulator plants that uptake excessive levels of selenium and cause toxicity problems in cattle.
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.
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.
‘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.
Noxious Weeds of South Dakota
Pictorial reference guide of noxious weeds in South Dakota
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.
Understanding the Critical Role of Broadleaf Pollinator Plants in Pastures
Understanding the economic role of pollinators is the first step towards understanding their diverse values to grassland and crop systems.
Backyard Biodiversity: Nest boxes for native bees
Many of our native bee species are solitary. In order to ensure that these kinds of bees spend more time in our yards and gardens, it is important to make sure we include places for them to nest.
Soil Testing for Vineyards in South Dakota
Not all soils are conducive to growing quality grapes, so prospective vineyard sites should be tested before a decision is made to plant grapes. Tests can identify soils that are either too high in pH, salts, or salinity, or that are “too rich” (too high in organic matter and nitrogen) for grapes. In addition, testing before planting allows for the incorporation of nutrients—such as phosphorus—that do not move easily through the soil to plant roots.