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A close up view of the stem of palmer amaranth which is hairless.

Identification and Management of Palmer Amaranth in South Dakota

Guide for the identification and management of Palmer Amaranth in South Dakota

A herd of cattle gather around a stock pond on a vast, lush grassland. Courtesy: USDA [CC BY 2.0]

Weed Control: Pasture and Range

There are 24 million acres of native and tame pasture and range as well as 1.4 million acres of grass hayland in South Dakota.

A flock of white sheep grazing in a small pasture.

All American Sheep Day at the Black Hills Stock Show

January 10, 2020

The Black Hills Stock Show All American Sheep Day will be held Feb. 6, 2020 at the Kjerstad Event Center in Rapid City, S.D. (915 Centre St).

A young lamb standing in a barn stall.

SDSU Extension Lambing Season Tour

January 10, 2020

SDSU Extension will be hosting a lambing season tour on Wednesday Jan. 22, 2020, in Newell, S.D. The group will gather at TJ’s Café & Waterin’ Hole (214 Dartmouth Ave, Newell, SD).

grass with field bindweed, a viny green weed with white flowers

Weed Control: Noxious Weeds

Noxious Weed Recommendations: Herbicides for pasture, range, and non-crop areas, including roadside and other right-of-way that may be harvested for hay or grazed, are given a priority.

Two side-by-side fields. The left field is planted with perennial grass. The right field is bare with salty soil exposed.

Managing Weeds While Transforming Marginal Land Into Perennial Forages Production

There are currently millions acres across South Dakota impacted by saline and sodic conditions. Research has shown that salt-tolerant perennial grasses are a possible way to bring land back into production.

A patch of soil with kochia weeds growing throughout.

Temperature and Herbicide Performance

In South Dakota, the spring can come with a wide range of temperature fluctuations. This will affect the performance of burndown herbicides. Depending upon the target weed, type of herbicide and application rate, there will likely be decreased weed control in cooler temperatures.

A red sprayer in a green field with a cloudy sky in the background.

How to Stop Drift

The goals of applying any crop protection products include: increasing effectiveness, mitigating drift, and maximizing profits. We will focus on mitigating drift, even though all three interact with each other.

Two dandelions side by side. The left has a bee foraging on it. The right has a hover fly foraging on it..

Why Those Dandelions in Your Yard Aren’t So Bad

While research has shown that pollinators, specifically honey bees, can’t survive on dandelion pollen alone, this doesn’t mean that the dandelions aren’t still important for pollinators.

A closeup of a sheep's face. The sheep looks to be in pain.

Sore Mouth: A “Pox” Virus for Sheep

Just like in children or adults who contract the dreaded chicken pox, sheep and goats can catch their own similar “pox” virus called Sore Mouth, technically known as Contagious Ecthyma. This health problem is most recognizable by red blisters or thick brown scabs on the skin around the lips or muzzle area.