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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

01:19:19

S3 E28 Is Liquid Aeration a Scam?

Turfgrass Epistemology ·

2025/05/29

You've seen the ads: "Liquid aeration breaks up soil compaction—no plugs, no mess!" But does it really work? This video dives into a new peer-reviewed study that compares liquid aeration products (humic acids, seaweed, fertilizer blends) with mechanical hollow-tine cultivation on hybrid bermudagrass fairways.The results are eye-opening. ✅ Did liquid aeration improve turf health? ✅ Can it reduce compaction like traditional aerification? ✅ What really increases water infiltration and rooting? Whether

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01:24:24

S3 E27 Tinfoil Turfgrass - How to Apply Iron from...

Turfgrass Epistemology ·

2025/05/22

Is "fast green" always the right goal? In this episode, I critique the video [How to Get a GREEN LAWN FAST] and unpack the science behind the three quick tips it promotes. Are these practices sustainable—or just shortcuts with hidden consequences? Join me as we separate turfgrass fact from flashy fiction.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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01:01:16

S3 E26 Tall Fescue Response to Irrigation Intervals

Turfgrass Epistemology ·

2025/05/21

Discover how tall and hard fescue respond to water stress in this deep dive into the science of deficit irrigation. In this episode, we explore a peer-reviewed study that reveals how reduced water inputs affect turf performance, rooting, and drought resilience. If you're managing turf in a water-limited environment, this research has critical insights you don't want to miss.article: https://acsess.onlinelibrary.wiley.com/doi/abs/10.2135/cropsci1989.0011183X002900060045x 👍 Like & Subscribe for

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01:12:44

S3 E24 Irrigation Frequency on Bentgrass Rooting

Turfgrass Epistemology ·

2025/05/15

In this episode of Turfgrass Epistemology, I provide commentary on the scientific article "Effect of Irrigation Frequency on Turf Quality, Shoot Density, and Root Length Density of Five Bentgrass Cultivars." We examine how irrigation intervals influence turfgrass performance, with a focus on shoot density and root development. I discuss the experimental design, key findings, and what this research means for managing bentgrass under varying irrigation regimes. If you're interested in evidence-based

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55:59

S3 E24 Irrigation Frequency on Zoysiagrass Rooting

Turfgrass Epistemology ·

2025/05/13

In this episode of Turfgrass Epistemology, I provide commentary on the scientific article "Irrigation frequency effects on Prizm zoysiagrass establishment from sprigs." We examine how different irrigation intervals influenced establishment speed, coverage, and quality during early growth. I break down the study’s design, highlight the key findings, and discuss how the results apply to real-world turf management decisions—especially for professionals establishing zoysiagrass from sprigs.article:

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02:02:34

S3 E23 AI Answers Every Turf Question. But Is It...

Turfgrass Epistemology ·

2025/05/08

In this episode of Turfgrass Epistemology, we put artificial intelligence to the test by asking it turfgrass management questions—fertility, irrigation, mowing, and more. Can AI provide sound, evidence-based answers, or does it fall into common misconceptions? As a soil scientist, I evaluate its responses and reveal what the science actually says.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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01:15:09

S3 E22 St. Augustinegrass Response to Irrigation...

Turfgrass Epistemology ·

2025/05/06

In this episode of Turfgrass Epistemology, I review the scientific article "Physiological Response of St. Augustinegrass to Irrigation Scheduling." We explore how different irrigation strategies impact turf health, drought stress, and water use efficiency. As a soil scientist, I break down the study’s methods and findings to understand what truly benefits St. Augustinegrass under varying moisture conditions.article:

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01:19:35

S3 E21 Dr. Matteo Serena - Optimizing Irrigation...

Turfgrass Epistemology ·

2025/05/01

In this episode of Turfgrass Epistemology, I sit down with Dr. Matteo Serena to discuss his paper, "Optimizing Frequency and Amount of Irrigation Needed to Establish Cool-Season Turfgrasses." We explore the key findings, practical applications, and how this research can improve turfgrass establishment strategies. Join us for a deep dive into the science behind efficient irrigation and better turf management.Join Turfgrass Epistemology to get access to

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02:05:46

S3 E20 Comments and Emails. April 2025.

Turfgrass Epistemology ·

2025/04/29

On this episode of Turfgrass Epistemology, I discuss some of the recent comments, emails, and Twitter conversations related to turfgrass science. From thoughtful questions to common misconceptions, I highlight the importance of critical thinking and scientific evidence when evaluating turf management practices. Join me as we explore how public discussions shape what we know—and how we can sharpen our understanding of turfgrass through better communication.👍 Like & Subscribe for more turfgrass

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01:21:40

S3 E19 Water Movement In Soils

Turfgrass Epistemology ·

2025/04/24

Join me, a soil scientist, as I delve into the classic educational film "Water Movement In Soils" (https://youtu.be/DmTNFIEc2VA). This video, produced by Washington State University in 1959, provides a foundational understanding of how water moves through different soil types, highlighting the roles of soil texture, structure, and layering.YouTube In my commentary, I explore key concepts such as capillary action, infiltration, and percolation, and discuss how these processes affect soil health and

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01:06:52

S3 E18 Do Irrigation Intervals Affect Turfgrass Rooting?

Turfgrass Epistemology ·

2025/04/22

In this video, we delve into the 1985 study by Peacock and Dudeck, titled "Effect of Irrigation Interval on St. Augustinegrass Rooting," published in the Agronomy Journal. The research examines how varying irrigation intervals—every 2, 3, 4, or 6 days—impact the root mass and length density of St. Augustinegrass. Interestingly, the study found that root development remained unaffected across these intervals, suggesting that less frequent irrigation may not compromise root growth. These findings have

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01:03:04

S3 E17 Soil CO2 Tests for Bentgrass Putting Greens.

Turfgrass Epistemology ·

2025/04/03

In this video, I break down the science behind the article “Short-term soil carbon mineralization on golf course sand-based putting green and its effect on creeping bentgrass nitrogen uptake.” What does this research tell us about nitrogen cycling, microbial activity, and nutrient availability in high-performance turf systems? Let’s dive into the data and talk implications for turfgrass management.📢 Watch, learn, and share your thoughts in the comments! Zhou, Q., Soldat, D. J., & Ruark, M. D

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01:20:39

S3 E16 Not Really Tinfoil Turfgrass #5. Particle Size...

Turfgrass Epistemology ·

2025/04/01

As a soil scientist, I’m breaking down the claims made in the video “Stop Overseeding! There’s a Cheaper Way!!” — let’s talk turfgrass science, soil fertility, and whether the advice holds up under scrutiny. Is there really a better, cheaper alternative to overseeding? Let’s find out.👍 Like & Subscribe for more turfgrass science! 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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01:45:03

S3 E15 Tinfoil Turfgrass #4: Fastest Way to Get Your...

Turfgrass Epistemology ·

2025/03/27

Does the FASTEST Way To Get ANY Lawn Green actually work, or is it just another lawn care myth? As a soil scientist, I break down the claims, analyze the science behind turfgrass nutrition, and reveal what REALLY makes a lawn green—fast and sustainably.🌱 Is this method safe and effective? ⚠️ Are there hidden downsides? 🔬 Let’s separate fact from fiction using real soil science! 📢 Watch, learn, and share your thoughts in the comments! #LawnCare #SoilScience #TurfgrassManagement #GreenGrass

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01:32:34

S3 E14 Solvita Soil Test.

Turfgrass Epistemology ·

2025/03/25

How can Solvita soil tests help predict turfgrass response? In this video, we break down key findings from the scientific article "Predicting Cool-Season Turfgrass Response with Solvita Soil Tests, Part 1: Labile Amino-Nitrogen Concentrations." Learn how labile amino-nitrogen measurements can provide insights into soil fertility and turfgrass nutrition, potentially improving nutrient management strategies. 📄 Read the full study: https://doi.org/10.2135/cropsci2018.11.0706 👍 Like & Subscribe

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02:02:22

S3 E13 Comments, Emails, Twitter, and Soil Reports

Turfgrass Epistemology ·

2025/02/27

In this video, I dive into the fascinating world of turfgrass epistemology by analyzing emails, comments, Twitter discussions, and soil reports. How do these sources shape our understanding of turf science? What insights (or misinformation) can we uncover? Join me as we explore the intersection of communication, scientific reports, and the ever-evolving landscape of turfgrass knowledge.📩 Drop your thoughts in the comments! 🔔 Subscribe for more deep dives into turfgrass science! Join Turfgrass

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01:10:14

S3 E12 Does Mulching Leaves Reduce Dandelions?

Turfgrass Epistemology ·

2025/02/26

In this video, I review the scientific article "Mulched Maple and Oak Leaves Associated with a Reduction in Common Dandelion Populations in Established Kentucky Bluegrass." What do the findings mean for turfgrass management? How does this study fit into broader turfgrass epistemology? Join me as I break down the methodology, results, and implications for turf science. 📄 Link to the article https://journals.ashs.org/horttech/view/journals/horttech/19/2/article-p297.xml 💬 Share your thoughts in the

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01:17:45

S3 E11 Will Organic Fertilizer Change Soil Properties...

Turfgrass Epistemology ·

2025/02/20

Discover how organic management practices can improve the sustainability and safety of athletic fields! 🌱⚽🏈 This video explores key findings from the scientific article Organic Management Practices on Athletic Fields, discussing soil health, turf quality, and environmental benefits. Learn about organic fertilizers, pest management strategies, and how these practices compare to conventional methods. Whether you're a sports field manager, turfgrass professional, or sustainability enthusiast, this

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01:23:02

S3 E10 Tinfoil Turfgrass #3 - The Best Cheerleader...

Turfgrass Epistemology ·

2025/02/13

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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01:19:14

S3 E9 Does Mulching Leaves Benefit Soil Health?

Turfgrass Epistemology ·

2025/02/11

Can mulching leaves in place improve turf and soil health while reducing energy use? This research study explores the benefits of leaf mulching, including enhanced soil quality, reduced need for fertilizers, and even potential impacts on tick populations. Watch to learn how this simple practice can promote sustainability in lawn care! 🔬 Read the full study: https://www.tandfonline.com/doi/full/10.1080/1065657X.2024.2370854 🌱 Subscribe for more eco-friendly lawn care tips! #SustainableLandscaping

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