Turfgrass Epistemology - podcast cover

Turfgrass Epistemology

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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Episodes

S3 E5 Organic Management Practices on Athletic Fields

Explore the impact of organic management on athletic fields! 🌱 In this video, we dive into the study, "Organic Management Practices on Athletic Fields and the Effects on Turfgrass Color, Quality, Cover, and Weed Populations." Discover how organic practices influence turfgrass health, aesthetics, and weed control, and see how they compare to conventional methods. Whether you're a turf manager, sports field professional, or just curious about sustainable practices, this research has valuable insi...

Jan 28, 20251 hr 9 minSeason 3Ep. 187

S3 E4 How Do We Measure Soil Health?

What exactly is soil health, and why does it matter? In this video, learn how soil functions as a living, dynamic system, supporting plant growth, storing carbon, cycling nutrients, and filtering water. Discover key indicators of soil health, including organic matter, microbial activity, nutrient levels, structure, and water-holding capacity. Join us as we explore the science and practical tools to evaluate and improve soil health for a sustainable future! 🌍 📌 Don’t forget to like, comment, an...

Jan 23, 20251 hr 4 minSeason 3Ep. 186

S3 E3 Double the Videos! Double the Bullsh?t!

This video challenges common misconceptions about soil testing for your lawn. It highlights misinformation about soil pH and boron levels, explaining how these factors are often misunderstood or misrepresented. Learn the science behind soil tests and how to interpret results accurately to improve your lawn care routine. Think you need a long list of expensive products for a healthy lawn? Think again! This video debunks claims about so-called "essential" lawn care products, helping you separate m...

Jan 22, 20251 hr 27 minSeason 3Ep. 185

S3 E2 Base Saturation and Soil Health

Does base cation saturation really improve soil health? In this video, we explore the science behind base cation saturation ratios and why they may not deliver the soil health benefits often claimed. Learn how real-world data and research challenge this common misconception, and discover what truly matters for improving soil fertility and productivity. Watch now to separate myth from fact! Chaganti VN, Culman SW, Herms C, Sprunger CD, et al., (2021). Base cation saturation ratios, soil health, a...

Jan 16, 20251 hr 12 minSeason 3Ep. 184

S3 E1 Organic vs. Synthetic Nitrogen Influence on Sport Turf Wear Tolerance and Soil Health

How do synthetic and organic fertilizers impact athletic turfgrass performance and soil health? In this video, we dive into research on the effects of these fertilizers on turfgrass traffic tolerance, durability, and overall soil quality. Whether you're managing sports fields or curious about sustainable practices, this breakdown will give you insights to optimize turf performance and maintain soil health. Watch now for expert analysis and tips! Dest, W. M., & Ebdon, J. S. (2025). Sustainabi...

Jan 15, 20251 hr 32 minSeason 3Ep. 183

S2 E120 December Comments and Emails

Join me as I dive into your comments and emails about lawns, golf courses, sod farms, and sports turfgrass! 🌱 From turf maintenance tips to the environmental impact of these green spaces, I’ll address your questions, concerns, and curiosities. Let’s talk about the science, sustainability, and care behind these grassy spaces we see every day. Don’t forget to like, comment, and subscribe for more insights! Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnH...

Dec 19, 20241 hr 47 minSeason 2Ep. 120

S2 E119 Cold Reading the Barnum Effect - Part 3

Ever wondered how psychics, fortune-tellers, and even some salespeople seem to know so much about you? In this video, we dive into the fascinating psychology behind cold reading and the Barnum Effect—techniques used to make general statements feel deeply personal. Understanding these methods is crucial to protect yourself from being misled or manipulated by con artists, scammers, and those who exploit trust. Learn how these tricks work, why they’re so convincing, and how to spot them before you’...

Dec 18, 20242 hr 16 minSeason 2Ep. 119

S2 E118 Effect of Ozonated Water on Bentgrass.

Does ozonated water really boost turfgrass health? In this video, we explore the science behind ozonated water and its impact on turfgrass performance. Despite its popularity in some circles, research shows limited benefits for turf health, growth, or resilience. Learn why traditional turf management practices often outperform ozonation and how you can focus on proven methods for healthier turf! Sloan, J. J., & Engelke, M.C. (2005). Effect of Ozonated Water on Creeping Bentgrass Growth in a ...

Dec 17, 202453 minSeason 2Ep. 118

S2 E117 Why Does Dog Urine Kill Lawns?

Dog urine can damage your lawn, but how does it? Many people claim high levels of nitrogen or salt in the urine kills the grass but you may be surprise to find these have very little influence. Learn how to prevent those unsightly brown spots and keep your grass green and healthy while caring for your furry friend! 💚🐾 #DogCare #LawnTips #PetFriendlyYards Chang, Z., Huang, S. and Li, D. (2018), Lactic Acid is a Major Contributor to Dog Urine Injury in Cool-Season Lawn Species. Crop Science, 58:...

Dec 12, 202459 minSeason 2Ep. 117

S2 E116 Soil Testing Ca, Mg, pH, and Micros Nonsense. Part III.

Ion exchange soil tests might seem like a modern solution for analyzing your soil, but they lack scientific backing and often provide unreliable results. In this video, we break down why these tests aren't evidence-based, how they can mislead your gardening or turfgrass management practices, and what trusted alternatives you should consider for accurate soil health insights. Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemai...

Dec 11, 20241 hr 31 minSeason 2Ep. 116

S2 E115 Do Nanobubbles Increase Root and Shoot Growth of Bentgrass?

Nanobubbles are marketed as a breakthrough for turfgrass health, but scientific evidence doesn't support their effectiveness. In this video, we explore why nanobubbles won’t benefit your turfgrass, debunk the claims, and offer proven alternatives to maintain a thriving lawn. Don’t fall for the hype—get the facts! DeBoer, E. J., Richardson, M. D., & McCalla, J. H. (2024). Irrigation of Sand-based Creeping Bentgrass Putting Greens with Nanobubble-oxygenated Water. HortTechnology, 34(1), 60-70....

Dec 10, 20241 hr 7 minSeason 2Ep. 115

S2 E114 Growing Degree Days Trinexapac and Prohexadione

Unlock the secret to optimizing bermudagrass health with the power of Plant Growth Regulators (PGRs)! In this video, we explore how applying PGRs based on Growing Degree Days (GDD) can enhance turfgrass management, promoting strong, uniform growth while reducing maintenance needs. Learn how understanding GDD helps you time your PGR applications for maximum effectiveness, improving bermudagrass quality, resilience, and overall performance. Don’t miss this essential guide for turf managers and law...

Dec 05, 202456 minSeason 2Ep. 114

S2 E113 Bullsh?t is His Business, and Business is Good!

Turfgrass managers, it’s time to stop falling for YouTube hucksters pushing quick fixes that just don’t work! In this video, we expose common turf management scams, like liquid aeration, base cation saturation, and applying calcium sulfate to reduce soil acidity. These so-called "solutions" lack scientific backing and can do more harm than good. Instead, we’ll show you why evidence-based practices, grounded in research and data, are the best way to achieve healthy, thriving turf. Skip the myths ...

Dec 04, 20241 hr 14 minSeason 2Ep. 113

S2 E112 Prohexadione and the Rebound Effect

Husiny, J., Ficht, A., Watson, J. R., & Lyons, E. M. (2023). Plant growth regulation and the rebound effect when prohexadione calcium is applied to fairway-height annual bluegrass and creeping bentgrass swards. Crop, Forage & Turfgrass Management, 9, e20224. https://doi.org/10.1002/cft2.20224 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgras...

Dec 03, 202455 minSeason 2Ep. 112

S2 E111 Trinexapac, Nitrogen, and Traffic on Kentucky Bluegrass

Ervin, E.H. and Koski, A.J. (2001), Kentucky Bluegrass Growth Responses to Trinexapac-Ethyl, Traffic, and Nitrogen. Crop Sci., 41: 1871-1877. https://doi.org/10.2135/cropsci2001.1871 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast h...

Dec 01, 20241 hr 2 minSeason 2Ep. 111

S2 E110 Micronutrients and BS Go Hand-in-Hand

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Nov 30, 20241 hr 34 minSeason 2Ep. 110

S2 E109 PGRs, Carbon Exchange, and Turfgrass Growth

Beasley, J.S., Branham, B.E. and Spomer, L.A. (2007), Plant Growth Regulators Alter Kentucky Bluegrass Canopy Leaf Area and Carbon Exchange. Crop Sci., 47: 757-764. https://doi.org/10.2135/cropsci2005.11.0432 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wk...

Nov 26, 202456 minSeason 2Ep. 109

S2 E108 Comments and Emails.

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Nov 21, 20241 hr 36 minSeason 2Ep. 108

S2 E107 Cold Reading and the Barnum Effect. Part 2.

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Nov 20, 20241 hr 34 minSeason 2Ep. 107

S2 E106 Do Repeated PGR Applications Harm Kentucky Bluegrass?

Lickfeldt, D.W., Gardner, D.S., Branham, B.E. and Voigt, T.B. (2001), Implications of Repeated Trinexapac-Ethyl Applications on Kentucky Bluegrass. Agron. J., 93: 1164-1168. https://doi.org/10.2134/agronj2001.9351164x Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChTo...

Nov 19, 202452 minSeason 2Ep. 106

S2 E105 The Liquid Aeration Scam Strikes Again!

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Nov 14, 20241 hr 9 minSeason 2Ep. 105

S2 E104 Do PGRs Influence Nitrogen Demand and Leaching?

Fagerness, M.J., Bowman, D.C., Yelverton, F.H. and Rufty, T.W. (2004), Nitrogen Use in Tifway Bermudagrass, as Affected by Trinexapac-Ethyl. Crop Science, 44: 595-599. https://doi.org/10.2135/cropsci2004.5950 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wk...

Nov 12, 202459 minSeason 2Ep. 104

S2 E103 Kentucky Bluegrass Response to Trinexapac and Paclobutrazol

Beasley, J.S. and Branham, B.E. (2007), Trinexapac-ethyl and Paclobutrazol Affect Kentucky Bluegrass Single-Leaf Carbon Exchange Rates and Plant Growth. Crop Sci., 47: 132-138. https://doi.org/10.2135/cropsci2005.12.0453 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrC...

Nov 05, 20241 hr 8 minSeason 2Ep. 103

S2 E102 Plant Growth Regulators and Soil Health

Diera AA, Raymer PL, Martinez-Espinoza AD, Bauske E, Habteselassie MY. Evaluating the impact of turf-care products on soil biological health. J. Environ. Qual. 2020; 49: 858–868. https://doi.org/10.1002/jeq2.20080 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFA...

Oct 31, 20241 hr 12 minSeason 2Ep. 102

S2 E101 'Soil Scientist' Explains Liquid Aeration

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Oct 30, 20241 hr 1 minSeason 2Ep. 101

S2 E100 Plant Growth Regulator Effect on Bermudagrass

McCarty, L.B., Willis, T.G., Toler, J.E. and Whitwell, T. (2011), ‘TifEagle’ Bermudagrass Response to Plant Growth Regulators and Mowing Height. Agronomy Journal, 103: 988-994. https://doi.org/10.2134/agronj2010.0467 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToe...

Oct 29, 20241 hr 17 minSeason 2Ep. 100

S2 E99 The Fate of Phosphorus in Turfgrass Ecosystems

Soldat, D.J. and Petrovic, A.M. (2008), The Fate and Transport of Phosphorus in Turfgrass Ecosystems. Crop Sci., 48: 2051-2065. https://doi.org/10.2135/cropsci2008.03.0134 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www....

Oct 24, 20241 hr 25 minSeason 2Ep. 99

S2 E98 Cold Reading and the Barnum Effect - Part 1

Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio Podcast https://www.iheart.com/podcast/1323-turfgrass-epistemology-129043524/ Podbean https://turfgrassepistemology.podbean.com/ Online consulting Calendly.com/TravisShaddox Twitter Twitter.co...

Oct 23, 20241 hr 26 minSeason 2Ep. 98

S2 E97 How Real Scientists Select Soil Test Extracts

Guillard, K. and Dest, W.M. (2003), Extractable Soil Phosphorus Concentrations and Creeping Bentgrass Response on Sand Greens. Crop Sci., 43: 272-281. https://doi.org/10.2135/cropsci2003.2720 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/id1717271379 Spotify Podcast https://open.spotify.com/show/1cTpdrChToeEFAOX9wkXFI iHeart Radio ...

Oct 22, 20241 hr 15 minSeason 2Ep. 97

S2 E96 Dr. John Dempsey - Potassium Phosphite Translocation in Turfgrass

John J. Dempsey, Ian Wilson, Peter T. N. Spencer-Phillips & Dawn L. Arnold (2022) Uptake and translocation of foliar applied phosphite and its effect on growth and development in cool season turfgrass, Journal of Plant Nutrition, 45:13, 2003-2022, DOI: 10.1080/01904167.2022.2044489 Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhAmARDZ4YoHnc_A/join Voicemail: 859-444-4234 Apple Podcast https://podcasts.apple.com/us/podcast/turfgrass-epistemology/...

Oct 19, 20241 hr 12 minSeason 2Ep. 96
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