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Artwork for Turfgrass Epistemology

Turfgrass Epistemology

Travis Shaddox
Turfgrass Management
Soil Testing
Turfgrass Science
Dollar Spot
Soil Health
Turfgrass
Base Cation Saturation
Liquid Aeration
Turf Management
Plant Growth Regulators
Phosphorus
Nutrient Management
Tall Fescue
Soil Ph
Turf Quality
Kentucky Bluegrass
Irrigation Practices
Creeping Bentgrass
Irrigation
Turfgrass Quality

This podcast explores how we know what we know about turfgrass science. If you are a lawn care operator, sport field manager, sod producer, golf superintendent, or a home owner, this podcast provides evidence-based information to help you better manage your turfgrass.

PublishesDailyEpisodes288Founded3 years ago
Number of ListenersCategories
Earth SciencesEducationScience

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Artwork for Turfgrass Epistemology

Latest Episodes

Can wetting agents improve water movement in golf course turf? In this video, we explore the classic paper "Turfgrass Improvement with a New Water" by Robert A. Moore (1957) and examine how wetting agents help water penetrate the soil, reduce localiz... more

Did your brain make your decision before you became aware of it? In this video, we explore the groundbreaking neuroscience study that found brain activity can predict a person's choice seconds before conscious awareness, and what it means for free wi... more

Did Benjamin Libet's famous 1983 experiment prove that your brain decides before you do? In this episode, we examine Libet, Gleason, Wright, & Pearl (1983), "Time of Conscious Intention to Act in Relation to Onset of Cerebral Activity (Readiness-Pote... more

In this episode of Turfgrass Epistemology, we examine Stanley Milgram's classic paper, Behavioral Study of Obedience (1963), and explore how authority influences our beliefs and decisions. Why do turf managers, consultants, and consumers often accept... more

Key Facts

Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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Recent Guests

Chun Siong Soon
PhD student, first author on the later study discussed
Singapore/National University research team
Episode: S4 E38 Did Your Brain Decide Before You Did?
Dr. Jada Powlen
Research scientist at Purdue University
Purdue University
Episode: S4 E31 Dr. Jada Powlen - Summer Nitrogen on Tall Fescue?
Steve (Doc)
Presenter in the How To With Doc channel; proponent of Dirt Booster
Anderson's Dirt Booster
Episode: S4 E26 Tinfoil Turfgrass - How to With Steve and BS Booster!
Greg Phillips
YouTuber critiqued on turf practices
Episode: S4 E24 Tinfoil Turfgrass - He Thinks Aerification is the Most Important Thing for Your Lawn. 🤦‍♂️
Polo Fields
Polo Fields Lawn Services, based out of Louisville, Kentucky
Polo Fields Lawn Services
Episode: S4 E22 Elevated Lawnscapes, Turf Therapy, and Polo Fields
Scott McElroy
Professor, weed biology and turfgrass systems expert
Auburn University
Episode: S4 E19 Dr. Scott McElroy - Herbicide and Insecticide Interations
Tim Cartwright
Vice President of Technical Services at Floratine Products Group
Floratine Products Group
Episode: S4 E18 Tinfoil Turfgrass - Floratine 'Master Class' of BS
Dr. John Inguagiato
Associate Professor of Turfgrass Pathology at the University of Connecticut
University of Connecticut
Episode: S3 E66 Dr. John Inguagiato. Can Phosphite Reduce Algae?
Dr. Lee Miller
Director of research and extension programs focused on disease control in turf grasses at Purdue University
Purdue University
Episode: S3 E62 Dr. Lee Miller - Turf Fungicide Resistance?

Host

Travis Shaddix
Host of Turfgrass Epistemology; prominent voice in evidence-based turf discussions

Reviews

4.9 out of 5 stars from 41 ratings
  • Informative and entertaining

    We need more Tinfoil Turfgrass episodes! Keep up the good work!

    Apple Podcasts
    5
    Madison Grassman
    United Statesa year ago
  • Love Shaddox!

    Really enjoy having this podcast queued up. Dr. Shaddox does a great job of sharing his knowledge (especially with a trained monkey like myself) while still holding my attention.

    Apple Podcasts
    5
    Jrpinkerton
    United States2 years ago
  • I want to like this podcast.

    Travis speaks like a true professor. Dull and monotone. His sentences start off normal and then he eventually ends them mumbling in a low voice. Maybe it’s just me, but if there is any background noise I can’t understand half of what he’s saying. Grab a good pair of isolation headphones. You’ll need them.

    Apple Podcasts
    1
    dbstover
    United States2 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Listeners praise the mix of rigor and practicality, with clear emphasis on evidence over hype.
Credibility grows from university and industry perspectives, with guests often enriching the debates on turf science.
Some listeners appreciate the host's depth of knowledge, though a few find delivery hard to follow at times.

Talking Points

Recent interactions between the hosts and their guests.

S4 E31 Dr. Jada Powlen - Summer Nitrogen on Tall Fescue?
Q: Is that basically it, or is there more to the study's main takeaway?
The main takeaway is that host genetics largely governs brown patch outcomes in tall fescue under summer nitrogen regimes, with nitrogen rate having limited or cultivar-dependent effects; practical implications include prioritizing resistant cultivars and nuanced fertilization strategies.
S4 E31 Dr. Jada Powlen - Summer Nitrogen on Tall Fescue?
Q: Can you walk me through the photograph and what message you were communicating?
The photo compared a susceptible cultivar (Kingdom) at two nitrogen rates, showing similar brown patch symptoms, while more resistant cultivars (Raptor 3 and Inspiration) showed clear differences in disease severity at the same rate, illustrating genetic resistance as a key factor.
S4 E27 Tinfoil Turfgrass - 35 Years of Experience. 35 Years of Bullsh*t.
Q: Is there a real advantage to stabilized urea versus regular urea in terms of turf response and economics?
The host argues that stabilized urea can reduce volatilization but does not consistently improve turf response enough to justify higher costs, citing literature and practical data showing similar performance but higher price.
S4 E27 Tinfoil Turfgrass - 35 Years of Experience. 35 Years of Bullsh*t.
Q: What would you do if you're dead set on putting a slow release out and you want to minimize burn?
The host suggests using 20% urea blended with 80% slow-release coating to balance early response with extended release, reducing burn risk while still delivering a visible and prolonged turf response.
S4 E19 Dr. Scott McElroy - Herbicide and Insecticide Interations
Q: What is your elevator definition of herbicide resistance?
Resistance is the evolved ability of a weed population to tolerate or survive herbicide exposure due to selection pressure over generations, which is distinct from inherent tolerance that exists in a weed population from the outset.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Turfgrass Epistemology

What is Turfgrass Epistemology about and what kind of topics does it cover?

This show leans into evidence-based turfgrass science, often filtering marketing hype through careful analysis of peer‑reviewed studies and real-world results. Episodes mix long-form host monologues with critical discussions of fertilization, disease management, aeration, and soil testing, frequently contrasting university research, extension guidance, and industry claims with practical implications for turf professionals and serious homeowners. A recurring strength is rigorous skepticism paired with actionable takeaways, helping listeners separate gimmicks from proven practices, while featuring guests from universities, lawn-care businesses, and product manufacturers to reveal multiple perspectives.

Noteworthy traits include a strong empha... more

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Which podcasts are similar to Turfgrass Epistemology?

These podcasts share a similar audience with Turfgrass Epistemology:

1. The ATC Doublecut with Micah Woods
2. TurPh.Dudes Podcast
3. Turf Talk
4. USGA Green Section Podcast
5. TurfNet Podcasts

How many episodes of Turfgrass Epistemology are there?

Turfgrass Epistemology launched 3 years ago and published 288 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Turfgrass Epistemology?

Recent guests on Turfgrass Epistemology include:

1. Chun Siong Soon
2. Dr. Jada Powlen
3. Steve (Doc)
4. Greg Phillips
5. Polo Fields
6. Scott McElroy
7. Tim Cartwright
8. Dr. John Inguagiato

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