Turfgrass Epistemology

In this episode, I break down the claims made in “Check out These Roots, John Perry! | [LIVE PODCAST] Ep.8 of the Average Joe Lawn Care Show,” where the hosts argue that liquid aeration is an effecti…

In this video, I take a look at some of the recent comments and questions from TikTok and YouTube. Your feedback not only shapes the conversations we’re having here but also sparks deeper discussions…

In this video, I explore the findings of the research article “Tall Fescue Rooting as Affected by Deficit Irrigation” (HortScience, Volume 42, Issue 3). The study, conducted by Jinmin Fu, Jack Fry, a…

In this video, I examine the research by Cain et al. (2022) that explores how varying irrigation schedules affect the encroachment of annual bluegrass (Poa annua) into perennial ryegrass turf systems…

In this video, I discuss the scientific article "Irrigation Rates and Frequency Affect Tall Fescue Color and Weed Encroachment." We’ll examine how adjusting irrigation amounts and timing influences t…

In this video, I review the scientific article "Irrigation Frequency and Amount Effect on Root Extension during Sod Establishment of Warm-season Grasses." We’ll explore how different irrigation strat…

In this video, I offer commentary on the scientific article titled "Water use and performance of Kentucky bluegrass influenced by cultivar, irrigation practices, and soil texture," published in the I…

In this video, I dive into the 2002 study from Crop Science that evaluates how different irrigation schedules, tall fescue cultivars, and mowing heights interact to shape turf performance.

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In this video, I respond to the Bermuda Grass Central video “The Best Summer Fertilizer for Lawns? Why Yard Mastery 7‑0‑20 is …”. I break down their main arguments, evaluate their fertilizer recommen…

In this video, I critique “Found the Best Iron to Apply to Your Lawn For Summer Color” by a former golf course superintendent. While I agree that iron can boost turf color without pushing growth, I q…

In this video, I break down the findings from the scientific article "Optimizing Irrigation Rates and Frequency for Perennial Ryegrass in Western Oregon." We’ll look at how different irrigation strat…

On this episode of Turfgrass Epistemology, Dr. Dan Sandor joins me to break down his study that addresses one of the most commonly misunderstood aspects of turf establishment: how much water should y…

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 re…

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 …

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 …

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 practica…

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 nor…

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 suppo…

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-wor…

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 (hu…