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PODCAST

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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All Episodes

01:04:20

S3 E8 Tinfoil Turfgrass #2 - Soil Compaction Has a...

Turfgrass Epistemology ·

2025/02/06

Is liquid aeration really the solution to compacted soil, or just a scam? In this video, we break down what soil compaction is, how it affects plant growth, and why liquid aeration might not be the magic fix it claims to be.🔹 What causes soil compaction? 🔹 Why mechanical aeration works better 🔹 The science (or lack of it) behind liquid aeration Don’t fall for marketing gimmicks—get real solutions for healthy, breathable soil! 🌱💪 Like & subscribe for more lawn care truths. #SoilCompaction

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01:12:04

S3 E7 Fate and Activity of Applied Soil...

Turfgrass Epistemology ·

2025/02/04

Discover what happens to microorganisms when they are introduced into the soil! This video explores their survival, adaptation, and role in nutrient cycling, plant growth promotion, and soil health. Learn how factors like environmental conditions, competition, and soil properties influence microbial activity and effectiveness. 🌍✨ 🔹 Microbial interactions in soil 🔹 Environmental influences on survival 🔹 Benefits for agriculture and sustainability Don't forget to like, share, and subscribe for

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01:01:18

S3 E6 Nanobubbles for Dollar Spot Suppression?

Turfgrass Epistemology ·

2025/01/30

Discover the latest research on innovative turfgrass management! 🌱 This video explores the scientific article, "Evaluation of oxygenated and ozonated nanobubble water treatments for dollar spot suppression in seashore paspalum." Learn how advanced nanobubble water technology is being tested to combat dollar spot disease in seashore paspalum turfgrass. Can oxygenated and ozonated water treatments offer sustainable solutions? Watch to find out more about these groundbreaking approaches to turf health

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01:08:34

S3 E5 Organic Management Practices on Athletic Fields

Turfgrass Epistemology ·

2025/01/28

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 insights

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01:03:59

S3 E4 How Do We Measure Soil Health?

Turfgrass Epistemology ·

2025/01/23

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, and

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01:26:34

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

Turfgrass Epistemology ·

2025/01/22

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

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01:12:09

S3 E2 Base Saturation and Soil Health

Turfgrass Epistemology ·

2025/01/16

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, and

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01:31:54

S3 E1 Organic vs. Synthetic Nitrogen Influence on...

Turfgrass Epistemology ·

2025/01/15

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). Sustainability

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01:47:29

S2 E120 December Comments and Emails

Turfgrass Epistemology ·

2024/12/19

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

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02:16:14

S2 E119 Cold Reading the Barnum Effect - Part 3

Turfgrass Epistemology ·

2024/12/18

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’re

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52:59

S2 E118 Effect of Ozonated Water on Bentgrass.

Turfgrass Epistemology ·

2024/12/17

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 Sand

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58:58

S2 E117 Why Does Dog Urine Kill Lawns?

Turfgrass Epistemology ·

2024/12/12

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:

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01:30:34

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

Turfgrass Epistemology ·

2024/12/11

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

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01:07:25

S2 E115 Do Nanobubbles Increase Root and Shoot Growth...

Turfgrass Epistemology ·

2024/12/10

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

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55:46

S2 E114 Growing Degree Days Trinexapac and Prohexadione

Turfgrass Epistemology ·

2024/12/05

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 lawn

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01:14:09

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

Turfgrass Epistemology ·

2024/12/04

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 and

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55:14

S2 E112 Prohexadione and the Rebound Effect

Turfgrass Epistemology ·

2024/12/03

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

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01:01:49

S2 E111 Trinexapac, Nitrogen, and Traffic on Kentucky...

Turfgrass Epistemology ·

2024/12/01

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

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01:33:59

S2 E110 Micronutrients and BS Go Hand-in-Hand

Turfgrass Epistemology ·

2024/11/30

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

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56:19

S2 E108 PGRs, Carbon Exchange, and Turfgrass Growth

Turfgrass Epistemology ·

2024/11/26

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/cropsci2005.11.0432Join 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

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