Content by Eric Jones

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

June 20 Was the Last Day to Apply Dicamba Postemergence in Dicamba-Tolerant Soybean in South Dakota

The cutoff date to apply dicamba postemergence was June 20, 2023. Eric Jones, Assistant Professor and SDSU Extension Weed Management Specialist, shares some important updates now that the deadline has passed.

Tractor applying preemergence herbicide on a freshly planted field.

Considerations for Preemergence Herbicides

Weeds emerging with crop plants have the potential to reduce yields. Learn some tips for applying preemergence herbicides to control weeds before emergence to ensure that your yields aren't limited by early-season weeds.

Aerial photo of a field revealing crop productivity within a specified management zone.

Knowing the Soil Types in Your Fields Can Increase Weed Control

As soil temperatures increase, many farmers are beginning to plant crops and start preemergent weed control. Learn the important role that soil type can play in getting the most out of preemergence herbicide applications.

Patch of broadleaf weeds growing in a spring lawn.

Considerations for Weed Control in Lawns

A weed-free lawn requires continuous maintenance year-round. From mowing considerations to herbicide applications, learn some expert tips for getting your lawn off to a great start this spring!

SDSU Extension welcomes new weed management specialist

April 21, 2023

South Dakota State University Extension is pleased to announce the hire of Eric Jones as the new weed management specialist.

Field with field peas and blue sky with fluffy white clouds

Weed Control: Pulse Crops

Weed competition can cause significant yield reduction in pulse crops. Pulse crops are weak competitors with weeds, therefore planning an effective weed control program is one of the keys to profitable production.

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

Weed Control: Noxious Weeds

Weed control recommendations for noxious weeds 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 many undesirable plants or invasive plant species in South Dakota's 24 million acres of native and tame pasture range. This guide provides a summary of different herbicide suggestions and uses.

A sprawling sorghum field ready for harvest

Sorghum Weed Control

Early competition, especially from grass, is critical for successfully controlling weeds in sorghum. There are preemergence as well as postemergence herbicides available for this crop. Early treatment provides the best control of broadleaved weeds with crop stage also being a critical factor for some postemergence treatments.