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  • Forest Residue Biochar with Dr. Dipita Ghosh
    Aug 21 2026

    "Role of biochar made from low-value woody forest residues in ecological sustainability and carbon neutrality" with Dipita Ghosh.

    Forest debris can clutter forests, squelch healthy growth, and increase the risks of dangerous wildfires, but open burning these residues can be just as problematic, with increased greenhouse gas emissions, pollution, and, that's right, wildfire risks. Turning forest debris into biochar instead can alleviate a lot of these problems while increasing soil health in degraded regions, but to what degree is biochar useful and how can we get it where it needs to go? In this episode, Dipita joins me to discuss her work on all things biochar.

    If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/saj2.20793

    This paper will be freely available for the next two weeks.

    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 Dipita Ghosh, you can find her here:

    dipita.ghosh@nau.edu

    https://eri.nau.edu/dipita-ghosh-2/

    https://www.researchgate.net/profile/Dipita-Ghosh?ev=hdr_xprf

    https://scholar.google.co.in/citations?user=e5NLhKUAAAAJ&hl=en

    https://www.linkedin.com/in/dipita-ghosh-ph-d-686877a5/

    https://www.facebook.com/dipita.ghosh?rdid=nM84vtfHGDVYHnHH

    Resources

    Transcripts: Coming soon

    CBC Radio Article: https://www.cbc.ca/radio/whatonearth/biochar-climate-change-1.7461819

    CBC Radio Podcast: https://www.cbc.ca/player/play/audio/9.6631258

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

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    33 Min.
  • Connections July 2026, Soil Judging with John Galbraith, Holden Mrizek, and Liz Eroshenko
    Jul 31 2026

    John Galbraith, Holden Mrizek, and Liz Eroshenko join Jim Cudahy to discuss soil judging and the recent International Soil Judging Contest.

    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 John, you can find him here:
    ttcf@vt.edu

    Resources

    Transcripts: https://www.rev.com/app/transcript/NmE1OGZlZDQ5NzFjZDJlNjJkY2M1YmExOFIxSG5oQUxZd3c1/o/VEMwOTUyNjM2ODE5

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

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    26 Min.
  • Novaluron and Annual Bluegrass Weevil with Dr. Benjamin McGraw
    Jul 17 2026

    "Lethal and sublethal effects of novaluron, a novel insect growth regulator, on annual bluegrass weevil, Listronotus maculicollis Kirby, lifestages in turfgrass" with Benjamin A McGraw.

    Today we'll be talking to Dr. Benjamin McGraw. Annual bluegrass weevil or ABW is a pest that preys on golf course turf. Novaluron is a new pesticide that may be able to help control ABW, but how does it work and at which life stages is it most effective? In this episode, Benjamin joins me to discuss his work studying novaluron.

    If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/csc2.70042

    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 Ben, you can find him here:
    bam53@psu.edu

    Resources

    Penn State Turf: https://plantscience.psu.edu/research/centers/turf

    Penn State Turf X: https://x.com/psuplantscience

    Penn State Turf Instagram: https://www.instagram.com/psuplantscience/

    CEU Quiz: https://web.sciencesocieties.org/Learning-Center/Courses/Course-Detail?productid=%7bBFDA7038-5981-F111-AB0E-70A8A59D1B85%7d

    Transcripts: https://www.rev.com/app/transcript/NmE1OGZlZDc5NzFjZDJlNjJkY2M1YmFkb0pEQVM0amJvdWJz/o/VEMwMzU0Mjc0Nzg2

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

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    34 Min.
  • Geophysical Methods and Agriculture with Dr. Sophia Becker
    Jun 19 2026

    "Geophysical tools for agricultural management: trends, challenges, and opportunities" with Dr. Sophia Becker

    Geophysical tools can help boost productivity and cut costs in the field, but, as with all areas of technology, work must be done to ensure smooth and useful implementation. In this episode, Sophia joins me to discuss her work studying opportunities and challenges for geophysical methods.

    If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/vzj2.70029

    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 Sophia, you can find her here:
    sophbecker16@gmail.com

    Resources

    CEU Quiz: https://web.sciencesocieties.org/Learning-Center/Courses/Course-Detail?productid=%7bDF24CF1D-266B-F111-A826-0022480A5E44%7d

    Transcripts: https://www.rev.com/app/transcript/NmEzM2YwMTIyNTVkN2IyN2QwZjg0YjE1bzRzODNvLW4zQTRq/o/VEMxMDUwMTAxNTEy

    VZJ Agrogeophysics Special Section: https://acsess.onlinelibrary.wiley.com/toc/15391663/2021/20/4#heading-level-1-2

    Geophysics conquering new territories: The rise of "agrogeophysics" by Sarah Garré: https://doi.org/10.1002/vzj2.20115

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

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    41 Min.
  • Soil Health Principles in Iowa with Dr. Marshall McDaniel and Hillary Olson
    May 22 2026
    "Putting the Soil Health Principles to the Test in Iowa, USA" with Dr. Marshall McDaniel and Hillary Olson Soil health principles can help guide farmers in best practices for long term soil health and improvement. However, it's important to test these principles across locations and contexts to see how their implementation is actually shaping soil health. In this episode, Marshall and Hillary join me to discuss testing the soil health principles in Iowa and how this might be expanded into further regions. Tune in to learn: · What the soil health principles are · Which soil health indicators are fast or slow movers · Why it's difficult to weight soil health principles · What future research is yet to be done If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/saj2.20761 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 Marshall, you can find him here: marsh@iastate.edu If you would like to reach out to Hillary, you can find her here: hillary.olson@usda.gov Resources CEU Quiz: https://web.sciencesocieties.org/Learning-Center/Courses/Course-Detail?productid={599CC6CF-E055-F111-BEC7-0022480A5E44} Transcripts: https://www.rev.com/app/transcript/NmEwZWZmOWI2MGY5M2E0NzIxNzBhMzk0N3dEdVNTQTJSZlpW/o/VEMwNzE0NTg0MjI2 NRCS Soil Health website: https://www.nrcs.usda.gov/conservation-basics/natural-resource-concerns/soil/soil-health In field soil health assessment: https://www.nrcs.usda.gov/conservation-basics/soil/soil-health/soil-health-assessment McDaniel lab: https://www.soil-plant.com McDaniel lab X: https://x.com/Soil_Plant_IXNs McDaniel lab Blue Sky: https://bsky.app/profile/soil-plant.bsky.social McDaniel Lab LinkedIn: https://www.linkedin.com/in/soil-plant-ixns/ Soil Health Institute: https://soilhealthinstitute.org/ Soil Health Institute Slakes Test: https://soilhealthinstitute.org/our-work/initiatives/slakes/#overview Maximum water holding capacity with a DIY method: A simple, affordable, do-it-yourself method for measuring soil maximum water holding capacity. Communications in Soil Science and Plant Analysis, 55(8), 1190-1204. Permanganate oxidizable carbon (POXC) study: Permanganate oxidizable carbon reflects a processed soil fraction that is sensitive to management. https://doi.org/10.2136/sssaj2011.0286 A Soil Owner's Manual: How to Restore and Maintain Soil Health by John Stika: https://www.amazon.com/Soil-Owners-Manual-Restore-Maintain/dp/1530431263 Teaming with Microbes by Jeff Lowenfels and Wayne Lewis: https://www.amazon.com/Teaming-Microbes-Organic-Gardeners-Revised/dp/1604691131 Field, Lab, Earth is Copyrighted by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.
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    1 Std. und 2 Min.
  • Connections April 2026, Science Policy Updates with Michael Torrey and Julie McClure
    Apr 24 2026

    Michael Torrey and Julie McClure of Torrey Advisory Group join Society CEO Jim Cudahy to discuss the impacts of the current administration on the Societies' sciences, the Farm Bill, and how our members can be involved.

    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 Michael, you can find him here:
    mtorrey@torreydc.com

    If you would like to reach out to Julie, you can find her here:
    jmcclure@torreydc.com

    Resources

    Transcripts: https://www.rev.com/app/transcript/NjllMTRjNWU3NzQ2MzEwZDYwZDAxZjYxcWRtRmxqVHJ6dGU4/o/VEMwODEwNzc1NDIw

    Torrey Advisory Group: https://torreydc.com/

    Societies' Science Policy efforts: https://www.sciencesocieties.org/science-policy

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

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    27 Min.
  • Wild Bee Sunflower Nectar Preferences with Dr. Jarrad Prasifka
    Apr 17 2026

    "Wild bee visitation unaffected by disparate nectar phenotypes in a sunflower inbred line population" with Dr. Jarrad Prasifka.

    Bees are important pollinators for sunflowers. But, just like humans, they also have preferences, which means it's important for sunflower breeders to breed the kinds of sunflowers that bees like best. In this episode, Dr. Jarrad Prasifka joins me to discuss sunflower nectar and how much it affects wild bee preferences for sunflower lines.

    Tune in to learn:

    · How sunflower lines are bred

    · How researchers check for bee preferences

    · How nectar phenotypes affect wild bee preferences in sunflower

    · Which other factors affect wild bee preferences in sunflower

    If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/csc2.70093

    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 Jarrad, you can find him here:
    Jarrad.Prasifka@ars.usda.gov

    Resources

    CEU Quiz: https://web.sciencesocieties.org/Learning-Center/Courses/Course-Detail?productid=%7b303FF088-DA39-F111-88B5-00224808D3E1%7d

    Transcripts: https://www.rev.com/app/transcript/NjllMTRjNWM3NzQ2MzEwZDYwZDAxZjUzQ19FcFQxLVFkX2RC/o/VEMwOTU2NjY4ODM4

    Xerces Society Wild Bees page: https://www.xerces.org/endangered-species/wild-bees

    Rachel Mallinger's Website: http://www.rachelmallinger.com/research.html

    Rachel Mallinger's Field, Lab, Earth podcast: https://fieldlabearth.libsyn.com/insect-pollinators-and-confection-sunflowers-with-dr-rachel-mallinger

    Review Article from Frontiers in Plant Science: https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2018.00812/full

    Entomological Society of America Instagram: https://www.instagram.com/entsocamerica/

    Entomological Society of America Facebook: https://www.facebook.com/entsoc

    Entomological Society of America X: https://twitter.com/EntsocAmerica

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

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    40 Min.
  • Living Mulches in Organic Corn with Ben Brockmueller
    Mar 20 2026

    "Mechanical management strategies improve corn production in organically managed living mulch systems" with Ben Brockmueller.

    Organic farming is a rich and rewarding challenge for farmers, but without the use of herbicides and other conventional methods, weed suppression can be a problem. Cover crops functioning as living mulches can be one way to overcome this challenge, but what works in one crop may not necessarily work in another. In this episode, Ben joins me to discuss cover crop management in corn as a means of weed suppression.

    Tune in to learn:

    · What a living mulch is

    · What challenges farmers face moving organic practices between soybean and corn

    · Which methods most effectively suppress cover crops without killing them

    · What can help close the yield gap between living mulch and conventional systems

    If you would like more information about this topic, this episode's paper is available here: https://doi.org/10.1002/agj2.70100

    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 Ben, you can find him here:
    brockmueller@wisc.edu

    Resources

    CEU Quiz: https://web.sciencesocieties.org/Learning-Center/Courses/Course-Detail?productid=%7b30B00AB1-5E24-F111-8341-00224808D88D%7d

    Transcripts: https://www.rev.com/app/transcript/NjliYWVlZDc0ODM3N2UwN2RjZGNkYzY0WmYzWkNjeHRBTUxx/o/VEMwNzk4NjQ3MDgx

    Organic Grain Resources and Information Network (OGRAIN): https://ograin.cals.wisc.edu/

    OGRAIN YouTube: https://www.youtube.com/@ograin-organicgrainresourc9263

    Sustainable Cropping systems Lab at Cornell University: https://blogs.cornell.edu/scslab/

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

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    39 Min.