January 13, 2026
12:00PM - 1:00PM EDT

Tree Talk Tuesday Webinar - Soil Amendments & Tree Physiology

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Time: 12:00 PM - 1:00 PM ET

Description: Discover how soil amendments influence tree health from the ground up. This webinar explores the connection between belowground inputs and aboveground outcomes, highlighting how soil management strategies impact tree physiology, growth, and resilience.

Presenter: Dr. Glynn Percival is the senior arboricultural researcher at the Bartlett Tree Research and Diagnostic Laboratory, primarily focusing on how environmental stress (drought, heat, waterlogging) influences tree growth and susceptibility to pest and disease attacks. He is the author of more than 100 scientific papers, magazine articles, and book chapters, and is an honorary lecturer at Reading University and the Royal Botanic Garden, Kew. Dr. Percival was awarded the prestigious Arboricultural Association Award for Research and Education in 2017 and the L.C. Chadwick Award for Research in 2020.

ISA CEUs: 1.0 Certified Arborist, Utility Specialist, Urban Forest Professional, Tree Worker, BCMA Practice

Tree Talk Tuesday Webinars are live; recordings are not available after the webinar.