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Eric Jones

Assistant Professor and SDSU Extension Weed Management Specialist

605-688-4591

306 Berg Agricultural Hall
Agronomy, Horticulture & Plant Science-2207A
Brookings, SD 57007

Eric supports the citizens of South Dakota as an Assistant Professor and SDSU Extension Weed Management Specialist at the South Dakota State University campus in Brookings.

State & Regional Offices

SDSU Campus

Also by Eric Jones

Wind carrying a cloud of topsoil over a dry, bare field.

2026 Growing Season: Forecasted dry weather and the implications on postemergence herbicide activity

Weather cannot be controlled, but there are variables we can control to help increase the effectiveness of postemergence herbicides during drought conditions.

Picture of mostly brown soil with two, small, faintly green plants near the center.

Waterhemp Has Emerged in South Dakota

Waterhemp seedlings were observed in Volga, South Dakota and other observations of emerging seedlings have been and reported elsewhere in the state. While the seedlings are still small, forecasted rain and increased temperatures will cause these plants to grow rapidly.

Young absinth wormwood, Canada thistle, and leafy spurge plants emerging.

Start Management Plans Now: Absinth wormwood, Canada thistle and leafy spurge have emerged and are starting to grow

Absinth wormwood, Canada thistle and leafy spurge have emerged and are growing in eastern South Dakota. If not effectively managed, these weeds can displace desirable forage in pasture and rangeland.