education
Hosted by Travis Shaddox · education · EN
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.
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Contact path
Verified email
Booking probability
37%
Guest openness
Selective
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Signup to Generate a PitchThis 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.
Turfgrass Epistemology is hosted by Travis Shaddox. The show has published 309 episodes to date.
Recent episodes include "S4 E60 Can water retention products improve turfgrass quality without increasing soil moisture? + Comments" (22 October 2026, 81 minutes), "S4 E59 Can fungicides eliminate soil water repellency? + Comments" (20 October 2026, 79 minutes), and "S4 E58 Can sand actually become waterproof?" (13 October 2026, 50 minutes).
Turfgrass Epistemology publishes roughly weekly, with episodes averaging 82 minutes across 309 episodes.
Booking probability for Turfgrass Epistemology is 37%, and the host is rated Selective on guests. Turfgrass Epistemology requires a Pod Score of 80 or higher. Turfgrass Epistemology's contact route on record: verified email.
The strongest fits for Turfgrass Epistemology are Other Crop Farming and Crop Farming Services. Turfgrass Epistemology has an education audience.
Travis Shaddox hosts Turfgrass Epistemology, an education podcast with 309 episodes published.
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Episode #309
This video examines the 2019 study “Evaluation of Water Retention Products to Conserve Urban Water Resources in Home Lawns” by Vikram B. Baliga, Joseph R. Young, and Mario A. Carrillo, exploring wetting agents...
This video examines the 2001 study “Effects of Flutolanil Fungicide and Primer Wetting Agent on Soil Water Repellency in Creeping Bentgrass” by Karnok and colleagues, exploring flutolanil, Primer wetting agent...
Episode #307
This video examines “Localized Dry Spots as Caused by Hydrophobic Sands on Bentgrass Greens” by Tucker and colleagues (1990), investigating water-repellent sand, organic coatings on sand particles, soil moisture, and...
This video examines research comparing low and high surfactant rates for managing soil water repellency, localized dry spot (LDS), turf quality, and wilting—and asks whether more product actually provides more benefit...
This video examines the 1987 study “Root Growth, Seedhead Production, and Quality of Annual Bluegrass as Affected by Mefluidide and a Wetting Agent” by R. J. Cooper, P. R. Henderlong, J. R. Street, and K. J. Karnok...
This video examines the 1985 study “Annual Bluegrass Growth and Quality as Influenced by Treatments of Growth Retardants” by A. M. Petrovic, R. A. White, and M. K. Bhowmik, including the surprising effects of Aqua Gro...
This video examines the 1978 study “Investigation and Treatment of Localized Dry Spots on Sand Golf Greens” by J. F. Wilkinson and R. H. Miller, exploring soil water repellency, wetting agents, coring, and water...
This video examines the 1977 study “Effect of Management Practices on Thatch Accumulation, Turf Quality, and Leaf Spot Damage in Common Kentucky Bluegrass” by J. J. Murray and F. V. Juska, including the surprising...
Can CytoGro + Hydretain really reduce irrigation water use in turfgrass? In this video, I examine the science behind cytokinins, plant growth regulators, and Hydretain to determine whether these products actually...
Does Mirimichi Green CarbonPro-G really “unlock” nutrients—or could some of the turf response come from nutrients already in the product? In this commentary, we examine the CarbonPro-G marketing claims, product label...
Episode #298
Where do wetting agents actually go after they enter the soil? This video explores the 1975 study “Movement of Two Nonionic Surfactants in Wettable and Water-Repellent Soils” by R. H. Miller, N. Valoras, and J. Letey...
Episode #297
Can surfactants harm turfgrass roots and reduce plant growth? This video examines the science from “Effects of Nonionic Surfactants on Monocots” by R. M. Endo, J. Letey, N. Valoras, and J. F. Osborn (1969), published in...
Episode #296
Can low oxygen in the soil stop turfgrass roots from growing deeper? This video examines the science from “Physical Soil Amendments, Soil Compaction, Irrigation, and Wetting Agents in Turfgrass Management III. Effects...
Can Hydretain reduce irrigation while maintaining healthy turf? We examine the 2026 study by I. Alejandra Sierra Augustinus, J. Bryan Unruh, Kevin Kenworthy, Alex J. Lindsey & Marco Schiavon, “St. Augustinegrass can...
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...
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...
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...
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...
Episode #289
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...
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