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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

Herbicide sprayer on the edge of an emerging soybean field.

Syngenta to Stop Production of Gramoxone®

Global pesticide developer Syngenta announced on March 3, 2026 that they will cease global production of the herbicide product Gramoxone® (paraquat), a pivotal source of weed control in corn and soybean production, by June 30, 2026.

Mesonet camera overlooking spring pasture and cropland in Avon, South Dakota.

Great Temperature Shifts This Spring: Implications for burndown herbicide applications

The 2026 growing season is beginning as temperatures begin to increase. The increased temperatures are favorable for growing conditions, however, great temperature shifts throughout the day may adversely affect the activity of herbicide applied for preplant burndown.

Early spring lawn with noticeable weed growth.

Organic Herbicides for Lawns

Organic herbicides are becoming more common on the market due to the perception that these products as safer towards humans, pets, and the environment. For those interested in these products, there are several factors to consider.