Turfgrass Epistemology
Travis Shaddox
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Recent Episodes
S4E279 S4 E30 Does Manganese Influence Take-All Disease?
In this video, I break down the classic study “Optimizing Manganese Fertilization for the Suppression of Take-All Patch Disease on Creeping Bentgrass.” We examine whether manganese applications can…
S4E278 S4 E29 Can Silicon Reduce Turfgrass Disease?
In this video, I break down the study “Evaluation of Calcium Silicate for Brown Patch and Dollar Spot Suppression on Turfgrasses.” We examine whether calcium silicate (Si fertilizers) actually…
S4E277 S4 E28 Does Biological Disease Control Work on Turfgrasses?
In this video, I break down the research on biological and oil-based fungicides for dollar spot control in turfgrass. We examine whether products like biological fungicides, mineral oils, and…
S4E276 S4 E27 Tinfoil Turfgrass - 35 Years of Experience. 35 Years of Bullsh*t.
In this video, I break down a lawn care discussion on nitrogen fertilizers and turfgrass performance, separating what’s scientifically sound from what may be oversimplified. We take a closer look at…
S4 E26 Tinfoil Turfgrass - How to With Steve and BS Booster!
In this video, I break down the “DirtBooster Organic Lawn and Garden Treatment” video from How to With Doc and take a closer look at the claims around soil microbes, biochar, humic substances, and…
S4E274 S4 E25 Tinfoil Turfgrass - More soil testing nonsense from Steve.
In this video, I break down a popular lawn care video on soil testing, pH, and nutrient recommendations and separate what’s useful from what may be misleading. We take a closer look at how soil test…
S4E273 S4 E24 Tinfoil Turfgrass - He Thinks Aerification is the Most Important Thing for Your Lawn. 🤦♂️
In this video, I break down a lawn care video making the rounds online and separate what sounds right from what’s actually supported by turfgrass science. We take a closer look at the claims, the…
S4E272 S4 E23 Comments and Emails - Why do pet spots last so long?
In this video, I respond to comments and emails and answer a common question: Why do dog urine (pet) spots last so long in turfgrass? We break down the science behind nitrogen burn, salt injury, and…
S4E271 S4 E22 Elevated Lawnscapes, Turf Therapy, and Polo Fields
In this episode, I sit down with Rob from Turf Therapy and Cam from Elevated Lawnscapes to talk all things lawn care, content creation, and turfgrass management. We discuss their approach to building…
S4E270 S4 E21 Calcium vs. Limestone on Dollar Spot.
In this video, I break down the study “Influence of Calcium and Nitrogen Fertilizer on Creeping Bentgrass Infected with Dollar Spot.” We examine whether it is calcium or lime that actually…
S4E269 S4 E20 Can Milorganite, Sea Kelp, or Manure Reduce Dollar Spot + Tinfoil Turfgrass!
In this video, I break down the classic study “Microbial Populations and Suppression of Dollar Spot Disease in Creeping Bentgrass with Inorganic and Organic Amendments.” We take a close look at…
S4E268 S4 E19 Dr. Scott McElroy - Herbicide and Insecticide Interations
In this episode, I interview Dr. Scott McElroy (Auburn University) about weed control in turfgrass, including best practices for herbicide timing, resistance management, and how herbicides interact…
S4E267 S4 E18 Tinfoil Turfgrass - Floratine 'Master Class' of BS
In this video, I break down a Floratine Masterclass where Tim Cartwright discusses a common claim about calcium availability in soils. I examine the argument, the science behind calcium in turfgrass…
S4E266 S4 E17 Organic Fertilizers and Turfgrass Disease
In this video, I break down the research article “Soil Amendments and Fertilizer Source Effects on Creeping Bentgrass Establishment, Soil Microbial Activity, Thatch, and Disease.” We examine whether…
S4E265 S4 E16 Organic Fertilizer and Dollar Spot.
In this video, I review the classic turfgrass study “Dollar Spot Severity, Tissue Nitrogen, and Soil Microbial Activity in Bentgrass as Influenced by Nitrogen Source.” We take a close look at whether…
S4 E15 Do Spray Nozzles and Volume Influence Dollar Spot?
In this video, I review the research article “Strategies for Increasing Ferrous Sulfate Efficacy Against Dollar Spot of Creeping Bentgrass.” We examine how ferrous sulfate (FeSO₄) can suppress dollar…
S4E263 S4 E14 Tinfoil Turfgrass: The BS Behind Amino Acids for Turfgrass.
In this episode of Turfgrass Epistemology, I critically examine the article “Exploratory Study on the Foliar Incorporation and Stability of Isotopically Labeled Amino Acids Applied to Turfgrass”…
S4E262 S4 E13 Does Dew Removal Reduce Dollar Spot?
In this episode of Turfgrass Epistemology, I break down the peer-reviewed Crop Science article “Mowing Strategies and Dew Removal to Minimize Dollar Spot on Creeping Bentgrass” by Ellram, Horgan, and…
S4E261 S4 E12 Common Diseases on Cool-Season Lawns
In this episode of Turfgrass Epistemology, I discuss the Purdue Extension publication “Common Diseases on Cool-Season Lawns” (BP-218-W), a practical guide to identifying and managing diseases on…
S4E260 S4 E11 Does Blending Bentgrass Cultivars Reduce Dollar Spot?
In this episode of Turfgrass Epistemology, I discuss the peer-reviewed article “Dollar Spot Resistance among Blends of Creeping Bentgrass Cultivars” by Abernathy et al. (2001), published in Crop…
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Turfgrass Epistemology has published 279 episodes since November 2023, covering topics in Earth Sciences, Education.
Turfgrass Epistemology is currently declining with new episodes every few days. Average episode length is 1h 12m.
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