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Hosted by Travis Shaddox · 🇺🇸 US · EN · 293 episodes
Established thought leaders with verified media credentials.
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.
Travis Shaddox hosts Turfgrass Epistemology, a education show with 293 episodes published.
Do wetting agents affect turfgrass growth and soil salinity? This video examines the science from “Physical Soil Amendments, Soil Compaction, Irrigation, and Wetting Agents in Turfgrass Management II. Effects on Top Grow
Do wetting agents always help water move into soil? We revisit the classic 1962 study The Effect of Wetting Agents on Infiltration by R. E. Pelishek, J. Osborn, and J. Letey, which found that wetting agents improved infi
In Part 2 of my Turfgrass Q&A series, I answer more of your YouTube comments and emails on topics including soil testing, heat stress, nitrogen management, and other common turfgrass questions. Every answer is backed by
Have questions about urea fertilizer, coated nitrogen, university research, or real-world turf management? In this first Q&A episode, I respond to your YouTube comments and emails using peer-reviewed turfgrass research t
Is it really time to stop using urea fertilizer? In this Tinfoil Turfgrass, I review the claims made in a popular YouTube video and compare them with peer-reviewed turfgrass research to separate evidence from misinformat
Can water really become "wetter"? In this video, we explore the classic paper Soil Wetting Agents by Robert A. Moore (1959) and explain how wetting agents improve water infiltration, root development, and turfgrass perfo
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 pene
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,
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 Cer
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, consultan
In this episode of Turfgrass Epistemology, we examine one of the most influential scientific papers ever published: Judgment Under Uncertainty: Heuristics and Biases by Amos Tversky and Daniel Kahneman (1974). This landm
Why do smart people search for evidence that confirms their beliefs instead of trying to prove themselves wrong? In this video, we explore Peter Wason's famous 2-4-6 experiment and the origins of confirmation bias. Paper
Why do generic soil reports feel surprisingly accurate? In this video, we explore the Forer Effect and discuss how vague, universally true statements can create the illusion of personalized insight—whether in personality
Why do people conform to group pressure even when they know the group is wrong? In this video, we explore Solomon Asch's landmark conformity study, Opinions and Social Pressure (1955), and reveal what his famous experime
Does summer nitrogen really make brown patch worse in tall fescue? In this interview, Dr. Jada Powlen discusses her 2024 study and explains why cultivar selection may be more important than nitrogen rate for managing bro
In this video, I break down the classic study “Optimizing Manganese Fertilization for the Suppression of Take-All Patch Disease on Creeping Bentgrass.” We examine whether manganese applications can suppress take-all patc
In this video, I break down the study “Evaluation of Calcium Silicate for Brown Patch and Dollar Spot Suppression on Turfgrasses.” We examine whether calcium silicate (Si fertilizers) actually suppress turfgrass diseases
In this video, I break down the research on biological and oil-based fungicides for dollar spot control in turfgrass. We examine whether products like biological fungicides, mineral oils, and plant-based treatments actua
In this video, I break down a lawn care discussion on nitrogen fertilizers and turfgrass performance, separating what’s scientifically sound from what may be oversimplified. We take a closer look at how nitrogen source,
In this video, I break down the “DirtBooster Organic Lawn and Garden Treatment” video from How to With Doc and take a closer look at the claims around soil microbes, biochar, humic substances, and “super compost.” The pr
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Turfgrass Epistemology is hosted by Travis Shaddox. The show is categorised under education (science) and has published 293 episodes.
Turfgrass Epistemology has published 293 episodes.
Turfgrass Epistemology regularly covers education, science, earth. It sits in the education category, with a science focus.
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Episodes of Turfgrass Epistemology average 75 minutes, giving guests a long-form format with plenty of time to expand on their expertise.
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