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Welcome to the web home for Field, Lab, Earth, the podcast from the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. The podcast all about past and present advances in agronomic, crop, soil, and environmental sciences, our show features timely interviews with our authors about research in these fields.

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  2. Giant Ragweed Suppression with Guilherme Chudzik and Dr. Rodrigo Werle

Giant Ragweed Suppression with Guilherme Chudzik and Dr. Rodrigo Werle

Nov 21, 2025

“Cereal Rye Biomass Effects on Giant Ragweed Suppression Inform Management Decisions” with Guilherme Chudzik and Rodrigo Werle.

For farmers in the Midwest, giant ragweed can be a giant problem. In Wisconsin, where long emergence windows, aggressive growth, herbicide resistance, and power-packed seeds make suppression difficult, farmers are always looking for more hammers to hit this nasty nail on the head. In this episode, Guilherme and Rodrigo join me to discuss their work investigating cereal rye as an additional tool in this long-running fight.

Tune in to learn:

·         What challenges farmer’s face when trying to incorporate cereal rye for weed suppression.

·         How much biomass is needed to suppress giant ragweed by 50%

·         When to terminate cereal rye for the best impacts

·         How implementing cereal rye is like a tiny hammer

If you would like more information about this topic, this episode’s paper is available here: https://doi.org/10.1002/agg2.70023

This paper is always freely available.

Contact us at podcast@sciencesocieties.org or on Twitter @FieldLabEarth if you have comments, questions, or suggestions for show topics, and if you want more content like this don’t forget to subscribe. If you’d like to see old episodes or sign up for our newsletter, you can do so here: https://fieldlabearth.libsyn.com/.

If you would like to reach out to Guilherme, you can find him here:
https://www.linkedin.com/in/guilhermechudzik
chudzik@wisc.edu

If you would like to reach out to Rodrigo, you can find him here:
rwerle@wisc.edu

Resources

CEU Quiz: Coming soon

Transcripts: Coming soon

WiscWeeds new website: https://badgercropnetwork.com/

WiscWeeds X: https://x.com/WiscWeeds

Field, Lab, Earth is Copyrighted by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.