Subscriber-only episode

In this Tuesday episode of Talking Trees, we ascend into the practical world of structural substrates and their critical role in supporting healthy urban trees, especially in areas with paved surfaces and compacted soils.

We focus on Cornell University’s CU-Structural Soil® system, an engineered soil blend combining crushed stone and uncompacted soil to provide a load-bearing yet root-friendly environment. This innovation allows trees to thrive beneath sidewalks, plazas, and roads without compromising infrastructure stability.

Topics include:

• Challenges of urban soil compaction
• Benefits and function of structural substrates
• Key features of CU-Structural Soil® and its practical applications
• Installation, irrigation, and tree species considerations
• Examples from real-life urban projects

This episode is a must for arborists, urban planners, and landscape architects looking to enhance tree health in dense city environments.

Background information:

• Guía Suelos Estructurales Universidad de Cornel.pdf

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