John Reilly joins us to delve into the evolving topic of organic matter in golf greens. There’s been considerable discussion across the industry about how to best test organic matter, with new methods like the OM 2, 4, 6 tests gaining traction. Our key question for John was: Do these tests differentiate between beneficial and harmful organic matter?

Anyone familiar with John knows he’s one of the most data-driven superintendents in the business. He’s been collecting and analyzing data on this very topic, and his insights are reshaping how we think about greens management. John has become a strong proponent of injecting sand and carbon amendments into the greens profile, and he’s seeing measurable improvements in organic matter quality as a result.

Interestingly, he’s moved away from traditional light topdressing on his greens. Since discontinuing that practice, he’s tracked a noticeable improvement in member scoring—another data point reinforcing his approach.

John is a true innovator in the turf industry. He’s always asking the tough questions, unafraid to challenge the status quo or pivot when the data suggests a better path forward. In this conversation, you’ll hear his passion for learning and discovery, both on his own courses and on others he consults with across the Florida market using his injection system.

This is a must-listen for every golf course superintendent looking to stay ahead of the curve.

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