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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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Nov 4, 2022

“Assessment of Kernel Characteristics to Predict Popping Performance in Grain Sorghum” with Kent Mitchell

Popping sorghum is a niche alternative to popcorn, with no large hulls, a neutral flavor, and smaller kernels. While the tasty snack is growing in popularity, much remains to be learned about the practices that can produce the best popping product. This episode, Mitchell discusses his research on finding the best production practices, commercial varieties, and popping quality traits for this up-and-coming snack time star.

Tune in to learn:

  • Which qualities can be used to measure popping quality in sorghum
  • How popping sorghum differs from other crops like popping corn
  • How threshing methods can affect popping ratios in sorghum
  • Which new popping sorghum shape the team discovered

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

It will be freely available from 4 November to 15 November, 2022.

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 Mitchell, you can find him here:

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



CEU Quiz:


“Variation among sorghum genotypes for reduction in popping caused by threshing-induced kernel damage” published in Journal of Crop Improvement.

“Registration of Tx3489 and Tx3490 sorghum germplasm with enhanced popping attributes” published in Journal of Plant Registrations.

“Effects of Field Processing of Sorghum Grain on Popping Traits” published in Agronomy.

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