In this episode of Turfgrass Epistemology, we dive into a study from Oregon State University that looked at how turfgrass species and mowing height affect water requirements in western Oregon. The results might surprise you—tall fescue and perennial ryegrass significantly outperformed fine fescues when it came to conserving water. We’ll break down the data on evapotranspiration replacement, irrigation intervals, and how mowing height can influence your watering schedule. Should you mow higher? S...
Jun 24, 2025•53 min•Season 3Ep. 217
In this episode, I dive into the comment section and my inbox to respond to the most interesting, insightful, and downright puzzling messages I’ve received from viewers. From soil test questions and fertilizer theories to passionate turf debates and a few questionable product claims—nothing is off limits. Whether you're here to learn, laugh, or just see if your message made the cut, this video is a behind-the-scenes look at the community that makes Turfgrass Epistemology what it is. Let’s talk t...
Jun 20, 2025•1 hr 37 min•Season 3Ep. 216
In this episode, I dive into the comment section and my inbox to respond to the most interesting, insightful, and downright puzzling messages I’ve received from viewers. From soil test questions and fertilizer theories to passionate turf debates and a few questionable product claims—nothing is off limits. Whether you're here to learn, laugh, or just see if your message made the cut, this video is a behind-the-scenes look at the community that makes Turfgrass Epistemology what it is. Let’s talk t...
Jun 17, 2025•1 hr 5 min•Season 3Ep. 215
In this video, I critically examine the advice presented in "How to Fertilize in Hot Weather. Dog urine spot prevention, fungus recovery, general fertilizer." While the original video offers practical tips on lawn care during hot weather, it's essential to scrutinize the recommendations to ensure they align with best practices and scientific understanding. Key Points Discussed: - Fertilizing in High Temperatures: Assessing the risks and benefits of applying fertilizer during peak heat and its im...
Jun 12, 2025•1 hr 42 min•Season 3Ep. 214
In this episode of Turfgrass Epistemology, we analyze a pivotal field study that tested the drought resistance and irrigation needs of five common turfgrass species under real-world conditions in northern Texas. Using a unique linear gradient irrigation system, Qian and Engelke evaluated how ‘Tifway’ bermudagrass, ‘Meyer’ zoysiagrass, ‘Rebel II’ tall fescue, ‘Prairie’ buffalograss, and ‘Nortam’ St. Augustinegrass performed under a wide range of watering regimes—from excess irrigation to complete...
Jun 10, 2025•59 min•Season 3Ep. 213
He flashes university research to sell Air 8—but is it the whole story? In this video, I break down the science he didn’t show you. Liquid aeration sounds impressive, but does the data actually support the hype? Let’s dig into what the university study really says—and what he conveniently left out. If you're serious about turfgrass and tired of marketing spin dressed up as science, this one's for you. Join Turfgrass Epistemology to get access to perks: https://www.youtube.com/channel/UC-UZnHkJhA...
Jun 05, 2025•1 hr 24 min•Season 3Ep. 212
Which Grass Survives Water Restrictions? Science Has the Answer. On this episode of Turfgrass Epistemology, we dive into a long-term study that puts warm-season turfgrasses to the test under real-world municipal water restrictions. Which species held up best when irrigation was limited to once or twice a week? How do turf quality, coverage, and drought resilience stack up over time? Join me as we examine what the science actually says—not the marketing claims—about how Zoysia, Bermuda, and other...
Jun 04, 2025•1 hr 1 min•Season 3Ep. 211
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? Whe...
May 29, 2025•1 hr 19 min•Season 3Ep. 210
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 Podcast https://podcasts.apple.com/us/podcast/tur...
May 22, 2025•1 hr 24 min•Season 3Ep. 209
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 ...
May 21, 2025•1 hr 1 min•Season 3Ep. 208
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-bas...
May 15, 2025•1 hr 13 min•Season 3Ep. 207
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:...
May 13, 2025•56 min•Season 3Ep. 206
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 Podcas...
May 08, 2025•2 hr 3 min•Season 3Ep. 205
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: https://acsess.onlinelibrary.wiley.com/doi/abs/10.2134/agronj1984.0002196200760...
May 06, 2025•1 hr 15 min•Season 3Ep. 204
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 perks: https://www.youtube.com/channel/UC-U...
May 01, 2025•1 hr 20 min•Season 3Ep. 203
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 turfgr...
Apr 29, 2025•2 hr 6 min•Season 3Ep. 202
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...
Apr 24, 2025•1 hr 22 min•Season 3Ep. 201
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 ...
Apr 22, 2025•1 hr 7 min•Season 3Ep. 200
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....
Apr 03, 2025•1 hr 3 min•Season 3Ep. 199
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 Podcast https://po...
Apr 01, 2025•1 hr 21 min•Season 3Ep. 198
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 #F...
Mar 27, 2025•1 hr 45 min•Season 3Ep. 197
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 & Subscrib...
Mar 25, 2025•1 hr 33 min•Season 3Ep. 196
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...
Feb 27, 2025•2 hr 2 min•Season 3Ep. 195
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 ...
Feb 26, 2025•1 hr 10 min•Season 3Ep. 194
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, thi...
Feb 20, 2025•1 hr 18 min•Season 3Ep. 193
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...
Feb 13, 2025•1 hr 23 min•Season 3Ep. 192
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! #SustainableLandscapi...
Feb 11, 2025•1 hr 19 min•Season 3Ep. 191
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. #SoilCompacti...
Feb 06, 2025•1 hr 4 min•Season 3Ep. 190
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...
Feb 04, 2025•1 hr 12 min•Season 3Ep. 189
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 he...
Jan 30, 2025•1 hr 1 min•Season 2Ep. 188
