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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).

A drop of dew on a green leaf.

How to Choose the Right Adjuvant for the Job

With the rise of herbicide-resistant weeds, the use of an adjuvants is also on the rise and may be necessary to help control resistant weeds.

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.

An unplanted field with weeds growing throughout.

Managing Weed Seed in 2020

Producers need to plan in advance on how to deal with bare fields that contain an overabundance of weeds. Weeds in these fields have deposited significant amount of seeds on the soil surface, which can easily germinate when adequate moisture and temperature are available.

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 collection of empty pesticide and herbicide containers.

Changes in Pesticide Applicator Certification During COVID-19

April 27, 2020

Due to office closures as a result of COVID-19, commercial pesticide applicator testing is currently unavailable at the SDSU Extension Regional Centers and county offices.

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.