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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.

Field, Lab, Earth releases on the third Friday of each month in addition to the occasional bonus episode. If you enjoy our show, please be sure to tell your friends and rate and review. If you have a topic, author, or paper you would like featured or have other feedback, please contact us on Twitter @fieldlabearth or use the email icon below. You can join our newsletter to receive notifications about new episodes and related resources here.

Field, Lab, Earth features graduate and undergraduate students at the end of each episode. If you would like to be featured, please let us know by filling out this brief application form. Please note you must be a student member with ASA, CSSA, or SSSA to apply.

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Jun 2, 2023

“Comparison of methods to recover amaranth weed seeds from manure” with Drs. Anthony Brusa and Melissa Wilson, Minnesota State University

Palmer Amaranth is a pesky pest that can devastate crops, and when this sneaky pest’s seeds creep into animal feed, they can find their way into unsuspecting farmers’ fields. This episode, Drs. Anthony Brusa and Melissa Wilson give us the inside scoop on what farmers can do when they find out they’ve fed their animals contaminated feed.

Tune in to learn:

·        What makes palmer amaranth such a hearty pest

·        What methods work best to remove seeds from contaminated manure

·        What makes it difficult to separate amaranth out from liquid and bedded manures

·        What future research still needs to be done to stop the spread of palmer amaranth

If you would like more information about this topic, this episode’s paper is available here:

This paper is always freely available.

Contact us at 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:

If you would like to reach out to Anthony, you can find him here:

If you would like to reach out to Melissa, you can find her here:

If you would like to reach out to Karl Kunze from our Student Spotlight, you can find him here:


CEU Quiz: 


Minnesota Department of Agriculture Palmer amaranth Fact Sheet:

University of Minnesota Extension Preventing Palmar amaranth in Minnesota fact sheet:

University of Wisconsin Palmer amaranth identification tips:

Todd Gaines Herbicide Resistance Work:

Eric Patterson Weed Science Work:

Minnesota Department of Agriculture:

Cornell small grains website:

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